Application of Meq Method

PHYSICAL CHEMISTRY By: Shailendra Kumar

1. Opp. Khuda Baksh Library, Ashok Rajpath, Patna - 42. House no. 5A/65, Opp. Mahual Kothi, Alpana Market, Patna

Page No.: 1

1. 8 g NaOH are present in 200 mL solution. The normality

of the solution is :

2. The normality of concentrated sulphuric acid of specificgravity 1.80 and containing 98.0 percent H2SO4 by

3. The normality of 0.5 M-H3PO4 solution is :

4. 8 g of sodium hydroxide were dissolved in 100 mL of

water. The whole of this solution neutralises completely:

(a)10 mL of 5N-H2SO4

(b) 20 mL of 5M-H2SO4

(c) 20 mL of 2.5M-H2SO4

(d) 30 mL of 5M- H2SO4

5. To 100 mL M/10 HCl is added 100 mL M/10 Na2CO3.

The resulting mixture will be :

(a) acidic (b) neutral

(c) alkaline (c) none of these

6. 100 mL of 0.3 N-HCl was mixed with 200 mL of 0.6 N-H2SO4. The normality of the resulting mixture was :

(a) 0.5 (b) 1.0

(c) 1.5 (d) 2.0

7. One gram of a metal carbonate neutralises 200 mL of0 . 1

N-HCl. The equivalent weight of the metal will be :

(a) 50 (b) 40

(c) 20 (d) 100

8. How much water should be added to 100 mL of

seminormal HCl solution to make it decinormal ?

(a) 100 mL (b) 200 mL

(c) 300 mL (d) 400 mL

9. The weight of CuSO4.5H2O (mol. wt. 249.5) present in100 mL N/10 solution is :

(a) 2.495 g (b) 1.2475 g (c) 3.475 g

(d) 4.5 g (e) 5 g

10. 200 mL of 0.3 M-HCl were mixed with 100 mL of 0.3 M-NaOH. The strenght of the resulting solution in terms of

normality is :

11. 25 mL of HCl liberates 10 mL of CO2 at S.T.P. whenreacting with excess of CaCO3. The normality of HCl is:

12. One molar 100 mL sodium hydroxide and 10 molar 10

mL of sulphuric acid are mixed together, the resultingsolution will be :

(a) acidic (b) basic

(c) neutral (d) alkaline

13. How much anhydrous sodium carbonate should beweighed out for the preparation of 500 mL of 4 N-Na2CO3

14. What is the normality of 7.3% (wt./vol.) hydrochloric acidsolution (mol. wt. of HCl = 36.5) ?

PHYSICAL CHEMISTRY

SCIENCE TUTORIALS; Opp. Khuda Baksh Library, Ashok Rajpath, PatnaPIN POINT STUDY CIRCLE; House No. 5A/65, Opp. Mahual Kothi, Alpana Market, Patna

Topic: Application of Meq. Method

Classes at: -

by: SHAILENDRA KR.Meq. Approach

(a) 1 (b) 2 (c) 3

(d) 4

weight is :

(a)10 (b) 30 (c) 25

(d) 32

(a)1 (b) 2.5 (c) 3.5

(d) 1.5 (a) 0.5 (b) 0.4 (c) 0.3

(d) 0.1

(a) 0.03 (b) 0.0357 (c) 0.04

(d) 0.057

solution ?

(a) 5.3 g (b) 10.6 g (c) 53 g

(d) 106 g

(a) 1.5 (b) 3.0 (c) 4.0

(d) 2.0



Page No.: 2

15. How much N/5 HCl solution would be required in reactcompletely with 1 g of CaCO3 ?

(a) 100 mL (b) 500 mL (c) 25 mL

16. The molecular weight of NaOH is 40, 25 mL of solution

containing 4 g of NaOH in 500 mL will require forcomplete neutralisation :

(a) 50 mL of N/10 HCl solution

(b) 20 mL of N/10 HCl solution

(c) 25 mL of N/10 HCl solution

(d) 10 mL of N/10 HCl solution

17. 1 g of pure calcium carbonate is mixed with 200 mL ofN/10 HCl. After the reaction is over :

(a) excess of HCl is left

(b) ureacted calcium carbonate is left

(c) neither of calcium carbonate nor of HCl is left

(d) None of these

18. 20 mL of N-HCl reacts completely with 0.4 g of a metal.The equivalent weight of the metal is :

19. 100 mL of a dibasic acid solution contains 3.15 g of theacid. 10 mL of this solution neutralises 10 mL of 0.5 N-

NaOH solution. The molecular weight of acid is :

20. 6.3 g of hydrated oxalic acid (H2C2O4.xH2O) is present in100 mL, normal solution of the acid. The number of

21. 0.82 g of metal was treated with 200 mL o N/2 H2SO4 till

the metal dissolved completely. The resulting solutionrequired 65 mL of (N) NaOH for neutralisation. Theequivalent weight of the metal is :

(a) 9 (b) 12

(c) 18 (d) 24

22. Certain weight of calcium carbonate reacts with 100

mL H2SO4 completely to give 224 mL CO2 at S.T.P. Thenormality of H2SO4 is :

23. 10.6 g of a mixture containing sodium chloride and

sodium carbonate (anhydrous) reacts with 100 mL N-HCl. The persentage of sodium chloride in the mixture

is :

(a) 40 (b) 50

(c) 60 (d) 80

24. 100 mL of N/10 H2SO4 is completely neutralised by0.20 g of an oxide of the metal M. The equivalent weightof the metal M is :

(a) 12 (b) 24

(c) 36 (d) 48

25. 75 mL of HCl solution required 125 mL of N/25 NaOH

solution for complete neutralisation. The amount of HClpresent in solution is given by :

(a) 18.25 g (b) 1.825 g

(c) 0.1825 g (d) 0.9125 g

26. 250 mL of 0.1 N solution of HCl contains :

(a) 0.25 g-mole of HCl (b) 0.025 g-mole of HCl

(c) 9.12 g-mole of HCl(d) 0.912 g-mole of HCl

28. 10.0 mL of 0.1 M-H2SO4 will neutralise :

(a) 10.0 mL of 0.1 M sodium hydroxide

(b) 10.0 mL of 0.1 M sodium carbonate

(c) 5.0 mL of 0.1 M sodium hydroxide

(d) 5.0 mL of 0.1 M sodium carbonate

29. 100 mLof 0.5 N-NaOH solution is added to 20 mL of N-HCl solution and 10 mL of 3N-H2SO4 solution. Thesolution will be :

(a) strongly acidic (b) alkaline

(c) neutral (d) faintly acidic

30. 100 mL of 0.2 M-H2SO4 is added to 100 mL of 0.2M-

NaOH. The resulting solution will be :

31. What is the weight of sodium hydroxide required toneutralise 100 mL of 0.1-N-HCl ?

32. 100 mL of 0.4 N-HCl is mixed with 100 mL of 0.6 N-H2SO4. What is the normality of the resulting solution ?

(a) 0.5 (b) 0.2 (c) 0.3

(d) 200 mL

(a) 4 (b) 8 (c) 12

(d) 40

(a) 63 (b) 126 (c) 31.5

(d) 30

mole of water of crystallisation is :

(a) 2 (b) 3 (c) 4

(d) 5

(a) N (b) N/2 (c) N/3

(d) N/5

27. 250 mL of N/10 sulphuric acid solution contains

: (a) 1.225 g (b) 2.450 g (c) 4.9 g

(d) 9.8 g

(a) acidic (b) basic (c) neutral (d) slightly basic

(a) 4.0 g (b) 0.04 g (c) 0.4 g

(d) 2.0 g

(d) 0.4



Page No.: 3

33. The formula of metallic hydroxide (equivalent weight =150) is M(OH)2.xH2O. If the atomic weight of the metal is

176, then the value of x is :

(a) 5 (b) 8

(c) 4 (d) 10

34. 500 mL of a 0.1N solution of AgNO3 are added to 500mL of 0.1N solution of KCl. The concentration of nitrateion in the resulting mixture is:

(a) 0.05 N (b) 0.01 N

(c) 0.2 N (d) 0.1 N

35. A solution containing 98 g of H2SO4 (formula weight =

98) per litre will be:

(a) normal (b) molar

(c) centi-normal (d) deci-normal

36. One gram of a metal carbonate neurtalises 200 mL of0 . 1N-HCl. The equivalent weight of the metal will be :

(a) 50 (b) 40

(c) 20 (d) 100

37. 75 mL of N/5 H2SO4, 10 mL of N/2 HCl and 30 mL of N/

10 HNO3 are mixed together. The strength of the resultingacid mixture is :

(a) 0.1 N (b) 0.2 N

(c) 0.3 N (d) 0.4 N

38. What is the amount of NaOH required to neutralise 100mL of 0.1 N-H2SO4 ?

(a) 5.0 g (b) 4.0 g (c) 0.4 g

39. 40 mL of 0.1 N-HCl are mixed with 20 mL of 0.1 M-

H2SO4. The strength of the resulting solution will be :

(a) 0.4 N (b) 0.3 N

(c) 2N/15 (d) 0.1 N

40. The normality 0.5 M-H2SO4 solution is :

(a) 0.5 (b) 1.0 (c) 1.5

41. How many millilitres of 0.02 M sodium hydroxidesolution are needed to react completely with 100 mL of0.01 M sulphuric acid ?

42. Oxalic acid is a dibasic acid having molecular formula

(COOH)2.2H2O. What weight of oxalic acid is requiredto prepare 500 mL of 0.1 M solution ?

(a) 12.6 g (b) 6.3 g

(c) 4.5 g (d) 9 g

43. 4 g of solid sodium hydroxide was dissolved in 100 mLof water. The whole of this solution neutralisescompletely :

(a) 10 mL of 5 N-H2SO4

(b) 20 mL of 2.5 M-H2SO4

(c) 30 mL of 5 M-H2SO4

(d) 40 mL of 10 M-H2SO4

44. 100 mL of 0.1 N-HCl is treated with excess of AgNO3.The weight of AgCl precipitated is :

(a) 1.435 g (b) 14.35 g

(c) 7.175 g (d) 3.65 g

45. 2.5 g of sodium hydroxide was dissolved in water and

the volume was made to 50 mL. The volume of 5N-H2SO4 required to neutralise the above alkali completely

46. One mole of sulphuric acid will be exactly neutralised

by :

47. 30 mL of 0.2 N-NaOH solution is completly neutralisedby 60 mL of hydrochloric acid. The normality of HCl is :

48. The molarity of water in pure water is :

(a) 1 M (b) 18 M

(c) 55.5 M (d) 1000 M

49. The weight of H2SO4 in 2.5 litres of 2 M-H2SO4 is :

(a) 400 g (b) 450 g ( c )

480 g

50. 1.0 g of a mixture of sodium chloride and anhydrous

sodium carbonate is exactly neutrised by 50 mL of N/5solution of an acid. The percentage of sodium chloridein the mixture is :

(d) 0.8 g

(d) 2.0

(a) 200 mL (b) 150 mL (c) 100 mL

(d) 50 mL

is :

(a) 12.5 mL (b) 25 mL (c) 30 mL

(d) 15 mL

(a) one mole of ammonia

(b) one mole of barium hydroxide

(c) two moles of calcium

hydroxide(d) two moles of barium

hydroxide

(a) 0.8 N (b) 0.4 N (c) 0.3 N

(d) 0.1 N

(d) 490 g

(a) 53 (b) 47 (c) 80

(d) 70



Page No.: 4

51. 10 mL of (N) HCl reacts with 0.12 g of a metal. Theequivalent weight of metal is :

52. Which of the following is independent of temperature ?

(a) molarity (b) molality

(c) formality (d) normality

53. A substance has its molecular weight 342. The molarity

of a solution containing 6.84 g of a substance in 200mL of solution is :

(a) 0.1 M (b) 0.2 M

(c) 0.3 M (d) 0.4 M

54. Molarity is expressed as :

(a) g / litre (b) litre / mole

(c) mole / L (d) mole / 1000 g

55. One g-equivalent of potassium hydroxide is 56 g.Therefore, weight of KOH present in 500 mL of deci-

normal solution is :

(a) 5.6 g (b) 2.8 g

(c) 28 g (d) 11.2 g

56. 100 mL 0.3 N solution of NaOH was mixed with 200 mLof 0.3 M-H2SO4 solution. The normality of H2SO4 in the

57. The volume of N/5 HCl solution required to neutralise 2

g of CaCO3 is (Ca = 40, C = 12) :

(a) 100 mL (b) 200 mL (c) 50 mL

58. 5.3 g of pure and anhydrous sodium carbonate is treatedwith 100 mL N/10 HCl. After the reaction is over :


(b) unreached sodium carbonate is left

(c) neither of HCl nor of sodium carbonate is left

(d) none of these

59. The normality of 73% HCl (density 1.2 g/mL) by weightwould be :

60. When 10 mL of 1M-KOH solution is mixed with 10 mLof M-H2SO4 solution, the resulting mixture will be :

(a) acidic (b) alkaline (c) neutral

61. Which of the following should be done in order toprepare 0.40 M-NaCl starting with 100 mL of 0.30 M-

NaCl (mol. wt. of NaCl = 58.5) ?

(a) add 5.85 g NaCl

(b) add 20.0 mL water

(c) add 0.01 mole NaCl

(d) evaporate 10 mL water

62. The concentration of an aqueous solution of 0.01 M-

CH3OH solution is very nearly equal to :

(a) 0.01% CH3OH (b) 0.01 M-CH3OH

(c) XCH3OH = 0.01 (d) 0.99 M-H2O

63. 0.45 g of a dibasic acid required 200 mL of N/20 NaOHsolution for neutralisation. The molecular weight of thedibasic acid is :

64. 0.84 g of metal carbonate reacts exactly with 40 mL of

N/2 H2SO4 solution. The equivalent weight of the metal

65. Increasing the temperature of an aqueous solution willcause :

(a) decrease in molality

(b) decrease in molarity

(c) decrease in mole fraction

(d) dectrease in % (w/w)

66. The amount of HCl required to neutralise 20 mL of 0.5N-NaOH is

67. 20 mL of a solution containing 6.5 g of a dibasic acidper litre neutralised 22.18 mL of a solution of NaOH.The same volume (20 mL) of N/10 HCl neutralised

21.5 mL of the same sodium hydroxide solution. Themolecular weight of the acid is :

68. 2 N-NaOH solution means that :

(a) 2 g of NaOH is dissolved in 100 mL of water

(b) 2 g of NaOH is dissolved in 100 mL of solution

(c) 4 g of NaOH is dissolved in 100 mL of water

(d) 8 g of NaOH is dissolved in 100 mL of solution

(a) 8 (b) 10 (c) 12

(d) 20

resulting solution is :

(a) 0.9 N (b) 0.3 N (c) 0.67

N(d) 0.4 N

(d) 90 mL

(a) 12 (b) 18 (c) 24

(d) 36

(d) strongly alkaline

(a) 45 (b) 60 (c) 70

(d) 90

carbonate is

(a) 21 (b) 30 (c) 40

(d) 42

(a) 20 mL of 1.0 N-HCl (b) 10 mL of 1.0 N-HCl

(c) 40 mL of 0.5 N-HCl (d) 10 mL of 0.1 N-HCl

(a) 120 (b) 126.0 (c) 128.02

(d) 100.32



Page No.: 5

69. 1.0 g of a piece of metal was allowed to react with 25mL of 4 N-HCl. When the reaction was over, 100 mg of

the metal remained unreacted. The equivalent weightof the metal is :

70. A sample of Na2CO3.H2O weighing 0.62 g is added to100 mL of 0.1 N-H2SO4 solution. The resulting solution

is :

71. Two litres of ammonia at 30°C and 0.20 atm pressureneutralised 134 mL of a solution of sulphuric acid. Thenormality of the acid is :

72. One gram of a solid tribasic acid was dissolved in water

and the solution was made to 250 mL. 19.2 mL of thissolution required 10 mL of 1.1 N/10 NaOH solution forcomplete neutralisation. The molecular weight of the

acid is :

73. The normality of a 26% wt./vol. solution of ammonia isapproximately :

(a) 1.5 (b) 4.0

(c) 0.4 (d) 15.3

74. 4 g of NaOH (mol. wt. = 40) were dissolved in water andthe solution was made to 1000 mL. The whole of this

will neutralize completely :

(a) 100 mL of M-H2SO4

(b) 50 mL of 10 M-H2SO4

(c) 20 mL of 2.5 M-H2SO4

(d) 30 mL of 5 M-H2SO4

75. Commercial hydrochloric acid is 12 N. If 8.3 mL of this

acid is dissolved in 991.7 mL of water, the normality ofthe resulting solution will be about :

(a) 0.05 (b) 0.5

(c) 0.1 (c) 0.45

76. On dissolving 1.0 mole each of the following acids in1.0 litre water, the acid that does not give a solution of

strength 1.0 N is :

(a) HCl (b) perchloric acid

(c) HNO3 (d) phosphoric acid

77. The volume of water which must be added to 40 mL of0.25 N oxalic acid solution in order to make it exactly

decinormal is :

78. 25 mL of N solution of an acid was diluted to 250 mL.10 mL of the solution was titrated with 0.05 N alkalisolution. The volume of alkali solution required for

complete neutralisation would be :

(a) 100 mL (b) 20 mL

(c) 5 mL (d) 10 mL

79. What volume of 0.2 N oxalic solution can be preparedfrom 63 g of oxalic acid ?

(a) 0.2 litre (b) 0.5 litre

(c) 2.5 litres (d) 5 litres

80. Hydrochloric acid solutions A and B have concentrationsof 0.5 N and 0.1 N, respectively. The volumes of solutions

A and B required to make 2.0 litres of 0.2 N-HCl are :

(a) 0.5 L A + 1.5 L B (b) 1.5 L A + 0.5 L B

(c) 1.0 L A + 1.0 L B (d) 0.75 L A + 1.25 L B

81. The equivalent weight of an unknown compound is 53.If 1.325 g of it be dissolved to make 250 mL of anaqueous solution of the compound, the normality of the

solution is :

82. 0.12 g of pureMg ribbon completely reacts with 100 mLH2SO4.

The normality of H2SO4 is :

(a) N/10 (b) N/15 (c) N/20

83. Suppose that 0.099 mole of solid sodium hydroxide is

added to 100 mL of 1.0 M-HCl. The excess of mole ofHCl present in solution than NaOH is :

84. The mole fraction of water in a 20% (w/w) aqueoussolution of H2O2 is :

(a) 77/68 (b) 68/77

(c) 20/80 (d) 80/20

85. If 5.85 g of NaCl is dissolved in 90 g of water, the mole

fraction of NaCl is :

(a) 9 (b) 12 (c) 18

(d) 24

(a) acidic (b) basic (c) neutral

(d) slightly acidic

(a) 0.1 N (b) 0.11 N (c) 0.12 N

(d) 0.14 N

(a) 210 (b) 310

(c) 420 (d) 220

(a) 40 mL (b) 30 mL (c) 20 mL

(d) 60 mL

(a) 0.1 N (b) 0.2 N (c) 0.3 N

(d) 0.4 N

(d) N/25

(a) 0.1 mole (b) 0.01 mole (c)0.001

mole(d) 0.02 mole

(a) 0.1 (b) 0.2 (c) 0.3

(d) 0.0196



Page No.: 6

86. What volume of CO2 at S.T.P. will be liberated by theaction of 100 mL if 0.2 N-HCl on CaCO3 ?

(a) 112 mL (b) 224 mL

(c) 448 mL (d) 1120 mL

87. 1 g of the carbonate of a metal was dissolved in 25 mLof N-HCl. The resulting liquid required 5 mL of N-NaOH

for neutralisation. The eq. wt. of metal carbonate is :

88. 0.1 mole of NaCl is added to 200 mL of M/10 AgNO3

solution. The molarity of nitrate ions in the solution willbe :

(a) 0.2 (b) 0.1

(c) 1.0 (d) 2.0

89. 1 g of pure magnesium ribbon reacts with 100 mL N/10

HCl. After the reaction is over :


(b) excess of magnesium is left

(c) neither of magnesium nor of HCl is left

(d) none of these

90. 1 g of a mixture of calcium carbonate and sodium

chloride reacts completely with 100 mL N/10 HCl. Thepercentage of CaCO3 is the mixture is :

(a) 40% (b) 50% (c) 60%

mixed. The molarity of nitrate ions in the mixture is :

(a) 4 (b) 3

(c) 2 (d) 1

93. The normality of 200 mL H2SO4 solution thatprecipitates 2.33 g of BaSO4 when treated with excessof BaCl2 solution is:

(a) 1 (b) 0.5

(c) 0.2 (d) 0.1

94. 100 mL of 0.2 M-H2SO4 is added to 100 mL of 0.3 M-

NaOH. The resulting solution will be :

95. A solution is prepared by dissolving 0.5 mole KCl and0.5 mole BaCl2 in 1000 mL solution. The molarity of

chloride ions in the solution is :

(a) 1.5 (b) 1.0

(c) 0.5 (d) 0.2

96. 100 mL of an N/10 acid will exactly neutralise :

(a) 40 mL of N/4 alkali(b) 50 mL of N/10 alkali

(c) 20 mL of N/5 alkali (d) 30 mL of N/6 alkali

97. The weight of BaCl2 that must be dissolved in 200 mLsolution to produce chloride ion concentration as thatpresent in solution containing 5.85 g NaCl per 100 mL,

is : (Ba= 137)

(a) 20.8 g (b) 10.4 g

(c) 41.6 g (d) 10.4 g

98. 100 mL 10% NaOH us mixed with 100 mL 10% H2SO4.The resulting solution is :

(a) acidic (b)basic

(c) neutral (d) slightly acidic

99. The volume of water that should be added to 400 mL ofN/8 HCl to make it exactly N/12 is :

100. The mass of magnesium that must be added to

250 mL 1.2 M-HCl to reduce it to exactly 1.0 M-HCl is :

(a) 1.2 g (b) 1.0 g

(c) 0.6 g (d) 0.4 g

101. Equal volumes of 0.80 M-HCl, 0.50 M-KOH and 0.5M-KCl are mixed. The molarity of resulting solution withregard to KCl is :

(a) 1/2 M (b) 1/3 M

(c) 1/4 M (d) 1.0 M

102. The volume of 0.25 M-MgCl2 that must be added to

320 mL of 0.25 M-NaCl to produce 0.3 M-Cl- in themixture is :

(a) 80 mL (b) 90 mL

(c) 100 mL (d) 120 mL

103. 20 mL of NaOH solution converts 0.240 g NaH2PO4

in a solution to produce monohydrogen phosphate. The

concentration of NaOH solution is :

(a) 1 (b) 0.5

(c) 0.2 (d) 0.1

104. What volume of 0.5 N-HCl is required for thecomplete decomposition of 10 g of CaCO3 ?

(a) 50 mL (b) 400 mL

(c) 500 mL (d) 1000 mL

(a) 5 (b) 30 (c) 20

(d) 40

(d) 80%

91. 200 mL M-NaNO3 and 200 mL M-Al(NO3)3 solutions are

92. If 200 mL of N/10 HCl were added to 1 g of

calciumcarbonate. What would remain after the

reaction ?(a) CaCO3 (b) HCl (c) neither of two

(d) part of the both

(a) acidic (b)basic (c) neutral

(d) slightly basic

(a) 100 mL (b) 200 mL (c) 300 mL

(d) 400 mL



Page No.: 7

105. The weight of iodine liberated when 100 mL 2 MCuSO4 solution is treted with excess of KI solution is :

(a) 12.7 g (b) 25.4 g

(c) 1.27 g (d) 2.54 g

106. 25 mL of 0.5 M-H2SO4 is mixed with 30 mL of M-NaOH solution. The volume of N/10 H2SO4 which will

just neutralise the excess of alkali will be :

(a) 5 mL (b) 50 mL

(c) 10 mL (d) 20 mL

107. Which of these solutions has the highest normality?

(a) 8 g of KOH per 100 mL (b) 0.5 M-H2SO4

(c) N-phosphoric acid (d) 6 g of NaOH per 100 mL

108. The strenght of NaOH solution is 5.1% (w/v), density1.02 g/mL. Its strenght in w/w is :

(a) 4% (b) 4.8%

(c) 5% (d) 5.1%

109. 100 mL of N/10 (f = 1.08) HCl is diluted with distilledwater to produce exactly decinormal solution. The

volume of water required for the same is :

110.The strenght of a sodium hydroxide solution is 10% bywt. The mole fraction of water is :

(a) 16/21 (b) 19/21

(c) 20/21 (d) none

111. 100 mL 10% KOH is mixed with 100 mL 10% H2SO4.The resulting solution is :


(c) neutral (d) none

112.100 mL M-CH3COOH is mixed with 100 mL M-NaOH.

The resulting solution is :

(a) acidic (b) slightly basic

(c) neutral (d) basic

113.The volume of 0.50 M BaCl2 that will contain 3.0 mole ofchloride ions is :

(a) 1.0 L (b) 2.0 L

(c) 3.0 L (d) 1.5 L

114.The volume of 0.5 (N) sulphuric acid required toneutralise 200 mL of 0.2 (N) sodium carbonate is :

115.A solution is called normal if one gram-equivalent of

solute is present in :

(a) 1000 g water (b) 1000 mL water

(c) 1000 mL solution (d) 1000 g solution

116.The molarity of phosphoric acid is 0.5. Its reacts withCa(OH)2 as Ca(OH)2 + H3PO4 = CaHPO4 +2H2O

117.To 100 mL M/10 HCl, 100 mL M/10 Na2CO3 was added.

The solution after the reaction is :


(c) neutral (d) none of these

118.4 g NaOH was dissolved in 50 mL water. The volume of(N) H2SO4 required for its complete neutralisation is :

(a) 100 mL (b) 50 mL (c) 200 mL

119.The volume of HCl having concentration 18.25% byweight and specific gravity 1.2 for the preparation of

100 mL (N) solution is :

(a) 18.25 mL (b) 33.3 mL (c) 21.6 mL(d) 16.66 mL (d) 20.66 mL

120. 10 g of a mixture of CaCO3 and MgCO3 (3% CaCO3

and 7% MgCO3) is allowed to react completely with 2.0M-HCl. The volume of the acid required is :

(a) 113.3 mL (b) 213.3 mL

(c) 225 mL (d) 233 mL

121. 1 g marble when reacted with (N) HCl acid required

19 mL for complete reaction leaving behind some sandymaterials. The percentage purity of CaCO3 in the marble

122. 10 mL N/10 solution of a dibasic acid will completely

neutralise N/10 solution of a monoacidic base if itsvolume added is :

123. When excess of zinc reacts with 10 mL of H2SO4,224 mL H2 is liberated at S.T.P. The strength of H2SO4 is

(a) 108 mL (b) 100 mL (c) 8.0 mL

(d) 80 mL

(a) 23 mL (b) 40 mL (c) 80 mL

(d) 100 mL

Its strength is :

(a) 0.5 N (b) 1N (c) 1.5 N

(d) 3N

(d) 10 mL

is :

(a) 0.95 (b) 95 (c) 5

(d) 19

(a) 10 mL (b) 20 mL (c) 30 mL

(d) 50 mL

(a) 10 N (b) 1 N (c) 2

N(d) 4 N



Page No.: 8

1. a 16. a 31. c 46. b

2. e 17. c 32. a 47. e

3. d 18. e 33. a 48. c

4. b 19. b 34. a 49. d

5. c 20. a 35. b 50. b

6. a 21. b 36. c 51. c

7. c 22. e 37. b 52. d

8. d 23. b 38. c 53. a

9. b 24. a 39. c 54. c

10. e 25. c 40. b 55. b

11. b 26. b 41. c 56. b

12. a 27. a 42. b 57. d

13. d 28. b 43. b 58. b

14. d 29. c 44. a 59. c

15. a 30. a 45. a 60. a

61. a 77. e 93. d 109. c

62. b 78. b 94. a 110. c

63. e 79. d 95. a 111. a

64. d 80. a 96. a 112. d

65. b 81. a 97. a 113. c

66. b 82. a 98. b 114. c

67. b 83. c 99. b 115. c

68. d 84. b 100. c 116. b

69. a 85. e 101. b 117. b

70. c 86. b 102. a 118. a

71. c 87. a 103. d 119. d

72. a 88. d 104. b 120. a

73. d 89. b 105. b 121. b

74. c 90. b 106. b 122. a

75. c 91. c 107. d 123. c

76. d 92. c 108. c

A N S W E R S

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Application of Meq Method