Test Paper - 25 Questions

8/18/2019 Test Paper - 25 Questions

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umber of H involved in the conversion of nitrobenzene to hydrazobenzene are

A 6

B 10

C 4

D 8

Which of the following vitamins are water soluble?

A A

B C

C B

D D

wo students use same stock solution of and a solution of . The emf of one cell is 0.03 V higher than the other. The concentration of in the cell w

igher emf value is 0.5 M. Find out the concentration of in the other cell. Given .

A 0.1 M

B 0.2 M

C 0.05M

D 0.025 M

Which of the following statement (s) is (are) correct, when a mixture of NaCl and is gently warmed with conc. ?

A A deep red vapours is evolved.

B The vapours when passed into NaOH solution gives a yellow solution of

C Chlorine gas is evolved.

D

Chromyl chloride is formed.

he complexes and can be identified by

A

B

C

D

Z S O

4

C S O

4

C S O

4

C S O

4

( = 0 . 0 6

2 . 3 0 3 R T

F

C K

2

2

O

7

S H

2

O

4

N C a

2

O

4

[ C

( N B

] S H

3

)

5

O

4

[ C

( N S

] B

H

3

)

5

O

4

B a C

2

A N O

3

P b C

2

C S O

4


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A

List 2

1 Saytzeff rule

2 Hofmann rule

wo isomeric compounds A and B have the formula . With aq KOH solution A gives propionaldehyde and B gives acetone. Then A and B are

A and

B and

C and

D and

he internal energy change in the conversation of 2.0 moles of calcite form of to the aragonite form is 0.4 kJ. The enthalpy change when the pressure is 1 bar give

hat the densities of solids are and respectively is approximately

A 0.2kJ

B 2.0kJ

C 1.0kJ

D 10kJ

he oxidation state of metal M in the complex given above is

he ratio of angular node of a 3s orbital and the spherical node of a 4p orbital is

Which of the following statements are correct?

A If for a reaction is - Ve, is + ve, the reverse reaction is always non spontaneous at all temperatures.

B If is + ve, is - ve, the forward reaction is non spontaneous at all temperatures.

C If both are - ve, the reverse reaction is spontaneous at high temperatures.

D If both are + ve, the reverse reaction is spontaneous at all temperatures

Match List-I with List-II.

C C

3

H

6

2

C − C C

− C H

3

2

H

3

C − C − C H C

H

3

H

2

2

C − C H C − C H C

H

3

2

C − C − C H C

H

3

H

2

2

C −

C −

C H C H

3

H

2

2

C −

C C

− C H

3

2

H

3

C − C H C − C H C

H

3

2

C − C C

− C H

3

2

H

3

C a C O

3

2 . 7 c

− 3

2 . 9 c

− 3

Δ H Δ S

Δ H Δ S

− C − C − B

C

6

H

5

H

2

H

2

→

C

2

H

5

O

−


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B

C

D

3 Anti-elimination

4 Cis-elimination

5 First order

A

B

C

D


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A

B

C

D

List 2

1 Dimeric halide formation

2 Dioxygen formation

3 Cyclic compound formation at room temperature

4 Acidic oxide formation

-Bromobutane is subjected to the following sequence of reactions. The difference between molar mass of C and D is

umber of different type of structures of carbonyl compounds which can be obtained by reductive ozonolysis of the above given figure is

n fcc structure, the number of tetrahedral voids present along the edges of fcc unit cell is ________ .

eactions are listed in List-I. Match the result of the respective reactions with the appropriate options listed in List-II.

substance A has green hydroxide but blue ferricyanide. Another substance B has blue hydroxide but

rown ferrocyanide A & B could be

A

B

C

+ S O C

→ P

4

2

K + O

+ → H

2

O

3

S + O

2

O

2

→

V

2

O

5

P + B H

3

O

3

2

⟶

a a a b

F S ,

N S O

4

O

4

F ( S ) O

4

3

F S ,

Z S O

4

O

3


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D

he number of alkenes (consider the stereochemistry of the alkene too) that can be hydrogenated to form methyl cyclohexene is

What is the correct order of acidity of the given compounds?

A

B

C

D

uffer solution A of a weak monoprotic acid and its sodium salt in the concentration ratio x : y has . Buffer solution B of the same acid and its sodium salt in th

oncentration ratio y : x has . If unit and , then-

A

B

C

D

00 ml of 0.1 M solution of a weak acid HA has molar conductivity 5 . The osmotic pressure of resulting solution obtained after dilution of original solution upto

t 500 K assuming ideal solution is

eport your answer as X, where X Osmotic pressure (in atm) 10. Give your answer in nearest intiger.

When a graph is plotted between log x/m and log p, it is a straight line with an angle which intercept at 0.3010 on the y-axis. If the initial pressure is 0.3 atm, the amoun

as which will be adsorbed per gram of adsorbent is . The value of is

he number of moles of acetic anhydride is needed to react completely with sucrose are

F S ,

C S O

4

O

4

I


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Test Paper - 25 Questions