Q.1.
Propan-2-ol on reacting with Cl2 produces .... ....
-
18%
a) acetone
-
40%
b) trichloroethanal
-
35%
c) trichloroacetone
-
7%
d) none of these
Explanation
Q.2.
Methyl alcohol on oxidation with acidified K2Cr2O7 gives .... .....
-
18%
a) CH3CHO
-
52%
b) CH3COOH
-
18%
c) CH3COCH3
-
11%
d) HCOOH
Q.3.
R-CH = CH2 reacts with B2H6 in presence H2O2 to give
-
10%
a) RCOCH3
-
28%
b) RCHOHCH2OH
-
46%
c) RCH2CH2OH
-
15%
d) RCH2CHO
Explanation
Q.4.
Assertion: p-nitrophenol is a stronger acid than o-nitrophenol Reason: Intra-molecular hydrogen bonding makes the o-isomer weaker than the p-isomer
-
48%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
10%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
35%
c) Assertion is true but, Reason is false
-
6%
d) Assertion is false but, Reason is true
Q.5.
The reaction RCOOH + C2H5OH + Na → RCH2OH is called
-
16%
a) Corey House reaction
-
45%
b) Bonveault-Blanc reduction
-
19%
c) Clemmensen reduction
-
19%
d) none of the above
Q.6.
Tonics usually contain small amount of ... ....
-
31%
a) vinegar
-
28%
b) ether
-
19%
c) formalin
-
22%
d) alcohol
Q.7.
Glycerol on worming with excess of HI
-
50%
a) 1,2,3-tri-iodopropane
-
19%
b) 1-iodopropane
-
22%
c) 2-iodopropane
-
9%
d) none of the above
Explanation
Q.8.
Ethyl acetate is treated with double the molar quantity of C2H5MgBr and the reaction mixture is hydrolysed with water. The product is .... ..
-
39%
a) CH3COOC2H5
-
14%
b)
-
36%
c) (C2H5)2CHOH
-
11%
d) C2H5OH
Q.9.
Which of the following is tertiary alcohol?
-
21%
a) CH3 - CH2 - OH
-
39%
b)
-
25%
c)
-
14%
d) CH2 = CH2 - OH
Q.10.
Cyclohexanol is a ... ...
-
32%
a) primary alcohol
-
35%
b) sec-alcohol
-
13%
c) tert-alcohol
-
19%
d) phenol
Explanation
Q.11.
During fermentation little H2SO4 is added ... ...
-
15%
a) Which acts as dehydrating agent
-
46%
b) to get acidic medium
-
15%
c) to hydrolyse the glucose solution
-
23%
d) to prevent the growth of undesirable bacteria
Q.12.
on Q463) Identify Z in following series
-
8%
a) CH3 - CH2 - SO3H
-
16%
b) CH2 = CH2
-
56%
c) CH3 - CH2 - O - CH2 - CH3
-
20%
d) CH3 - CH2 - OH
Explanation
Q.13.
Assertion: o- and p-nitrophenols can be separated by steam distillation Reason: o-nitrophenols have intra-molecular hydrogen bonding while p-nitrophenols exists as associated molecules
-
43%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
33%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
14%
c) Assertion is true but, Reason is false
-
10%
d) Assertion is false but, Reason is true
Q.14.
Assertion: Alcohol have higher boiling points than corresponding ethers of comparable molecular masses Reason: Alcohols and ethers are isomeric in nature
-
52%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
19%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
10%
c) Assertion is true but, Reason is false
-
19%
d) Assertion is false but, Reason is true
Q.15.
Assertion: Isobutanal does not give iodoform test Reason: It does not have α-hydrogen
-
48%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
30%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
9%
c) Assertion is true but, Reason is false
-
13%
d) Assertion is false but, Reason is true
Q.16.
Assertion: t-butyl methyl ether is not prepared by the reaction of t-butyl bromide with sodium methoxide Reason:Sodium methoxide is a strong nucleophile
-
48%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
38%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
0%
c) Assertion is true but, Reason is false
-
14%
d) Assertion is false but, Reason is true
Q.17.
ion: Alcohol and phenol can be distinguished by sodium hydroxide Reason: Phenol is more acidic than alcohol
-
48%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
29%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
24%
c) Assertion is true but, Reason is false
-
0%
d) Assertion is false but, Reason is true
Q.18.
Assertion: Alcohols are dehydrated to thydrocarbons in presence of acidic zerolites Reason: Zerolites are porous catalysts
-
44%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
22%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
33%
c) Assertion is true but, Reason is false
-
0%
d) Assertion is false but, Reason is true
Q.19.
Assertion: Ethers behaves as base in the presence of mineral acids Reason: Due to the presence of lone pairs of electrons on oxygen
-
41%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
29%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
18%
c) Assertion is true but, Reason is false
-
12%
d) Assertion is false but, Reason is true
Q.20.
The pHa of acetic acid is lower than that of phenol Reason: Phenoxide ion is more resonance stabilized
-
29%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
47%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
18%
c) Assertion is true but, Reason is false
-
6%
d) Assertion is false but, Reason is true
Q.21.
Primary alcohols can be obtained from the reaction of RMgX with .... .....
-
35%
a) H2O
-
25%
b) CH3CHO
-
10%
c) CO2
-
30%
d) HCHO
Explanation
Q.22.
Which are explosives?
-
32%
a) Wood pulp (dynamite)
-
18%
b) Cellulose nitrate (blasting gelatine)
-
23%
c) Gun cotton or cellulose nitrate and vaseline (cordite)
-
27%
d) All the above
Q.23.
Ether are very good solvent for which type of compounds?
-
10%
a) Lewis base
-
33%
b) Acids
-
29%
c) Lewis acids
-
29%
d) None of these