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Gt-13 Jee Mains (Chem) Held on 31-March-15
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UG–1 & 2, Concorde Complex, Above OBC Bank. R.C. Dutt Road., Alkapuri Baroda. Ph. 6625979, 6534152 1
1. (d)
2H2 + O
2 2H2O
4g 32g 36g
10g 64g xg
Limiting Reagent is O2
64gO2 gives 72g H
2O 4 moles of H
2O
2. (d)
3. (b) BaCl2 is salt of strong base
4. (c) o o o om 3 m 3 m mCH COOH CH COONa HCl NaCl
5. (d) 1 mole4
23 110Na 6.023 10 mol100
vacancies
6. (b) isotonic solutions, have equal molecular concentration
1 2x 10C C60 342
.
7. (b)2
1 1 2
1 1log2.303
ak Ek R T T
1 1log22.303 8.314 300 310
aE
53.60 /aE kJ mol
8. (b)
9. (d) Mass of aluminium, m = 60.0 g
Rise in temperature, 55 35 20t C C C
Molar heat capacity, C=24 K-1 mol-1
Heat required1 160.0 24 20
27 /g J K mol C
g mol
60 24 20 1066.7 1.0727
J J kJ
10. (b) ZnO and Fe2O
3
11. (b)
12. (d) This mixture has a lower melting point than NaCl
13. (b) absence of bond polarity
14. (a)
IIT ASHRAMA Premier Institute for MEDICAL & ENGINEERING Entrance Exams.
JEE MAINS FULL TEST - 2015(JEE MAINS) CHEMISTRY SOLUTION DATE : 31-03-2015
UG–1 & 2, Concorde Complex, Above OBC Bank. R.C. Dutt Road., Alkapuri Baroda. Ph. 6625979, 6534152 2
15. (b) Na2CdCl
4
16. (a) LiF> LiCl > LiBr > LiI
17. (b)
18. (c) Trigonal bipyramidal dz2
19. (d)
20. (c)
The terminal CH2 group (=CH
2) is completely oxidised to CO
2.
a converted to aldehyde which is further oxidised to carboxylic acid, and the disubstituted atom of a douiblebond is oxidised to ketone.
4(i)KMnO
H heat(ii)H
2 3CO CH C
2CH
C2 2HO C CH CH
O
O
O
2CO
21. (a)
An electron with drawing group - NO2 deactivity the benzene ring towards electrophyllic substition reaction.
22. (c)
23. (d)
24. (b)
25. (c) IV > III > II > I
26. (b)NH
O
O
27. (c) CH3COCH
2CN
28. (b) C6H
5COOC
2H
5
29. (a) C = O and OH
30. (d)12