Q.1.
Purity of ether before using it as anaesthetic agent is tested by ..... .....
-
23%
a) KI + starch
-
54%
b) CuSO4
-
15%
c) H2SO4
-
8%
d) none of these
Q.2.
On heating glycerol with conc. H2SO4, a compound is obtained which has bad odour. The compound is ... ....
-
46%
a) formic acid
-
31%
b) allyl alcohol
-
15%
c) methyl isocyanide
-
8%
d) acrolein
Explanation
Q.3.
The most important ingredient of dynamite is ... ...
-
25%
a) glycerine trinitrate
-
58%
b) nitrobenzene
-
8%
c) nitrosobenzene
-
8%
d) nitrophenol
Q.4.
Methanol and ethanol can be distinguished by the following ... .....
-
40%
a) by heating with iodine and washing soda
-
30%
b) by reaction with caustic potash
-
30%
c) by reaction with metallic sodium
-
0%
d) by heating with zinc and inorganic mineral acid
Q.5.
Germinated barley ( an enzyme) is a source of enzyme
-
40%
a) invertase
-
20%
b) maltase
-
40%
c) zymase
-
0%
d) diastase
Q.6.
How many structural isomers are known for C4H10O?
-
27%
a) 3
-
27%
b) 4
-
27%
c) 6
-
18%
d) 7
Q.7.
onMore Than One Correct Answers Q218) Which are the intermediate(s)
-
40%
a)
-
40%
b)
-
10%
c)
-
10%
d)
Q.8.
Which of the following is a gas?
-
30%
a) Propyl thiol
-
30%
b) Isobutyl thiol
-
20%
c) Methane thiol
-
20%
d) Ethane thiol
Q.9.
Which one of the following is not the characteristic of the alcohols?
-
44%
a) Their boiling points rise fairly uniformly with a rise in molar mass
-
22%
b) Lower members are insoluble in water and organic solvents but the solubility goes on increasing with the rise of molar mass
-
11%
c) These are lighter than water
-
22%
d) Lower members have a pleasant small but burning taste and the higher ones are odourless and tasteless
Q.10.
han One Correct Answer Q221) Which of the following statement is/are correct?
-
29%
a) When phenol vapour is passed over Zn dust, benzene is produced
-
57%
b) The phenolic -OH group is ortho- and para-directing
-
14%
c) o-nitrophenol has a lower b.p. than p-nitrophenol
-
0%
d) Phenol is more acidic than o-cresol
Q.11.
An organic compound A reacts with PCl5 to give B. The compound B with sodium metal gives n-butane. Thus A and B are .... ....
-
14%
a) C3H7OH and CH3CH2CH2OCl
-
43%
b) C2H5OH and C2H5Cl
-
29%
c) C2H5Cl and C2H5ONa
-
14%
d) C4H9OH and C4H9OCl
Explanation
Q.12.
onMore Than One Correct Answers Q223) In the following reaction, the product(s) formed is (are)
-
17%
a) P(Major)
-
0%
b) Q(Minor)
-
33%
c) R(Minor)
-
50%
d) S(Major)
Q.13.
The dehydration of neo-phentanol gives mainly .... .....
-
14%
a)
-
57%
b)
-
14%
c) CH3 - CH2 - CH = CH2
-
14%
d) none of the above
Explanation
Q.14.
Which reagent is more effective to convert but-2-enal to but-2-enol?
-
12%
a) K2Cr2O7/H2SO4
-
38%
b) H2/Pt
-
12%
c) KMnO4
-
38%
d) NaBH4
Explanation
Q.15.
The products formed in the following reaction in presence of heat is .... .... C6H5OCH3 + HI ......
-
33%
a) C6H5I and CH3OH
-
33%
b) C6H6 and CH3OI
-
0%
c) C6H5OH and CH3I
-
33%
d) C6H5CH3 and HOI
Q.16.
The IUPAC name of CH3COH(CH3)2 is .... ......
-
0%
a) 3-methoxy propane
-
38%
b) 2-methoxy propane
-
62%
c) methyl-isopropylether
-
0%
d) 1-methoxy propane
Q.17.
The value of C - O - C angle in ether molecule is ... ...
-
29%
a) 90°
-
43%
b) 110°
-
0%
c) 150°
-
29%
d) 180°
Q.18.
Which of the following is an alkoxide?
-
40%
a) CH2OH . CH2OH
-
20%
b) CH3CH2CH2CH2ONa
-
0%
c)
-
40%
d)
Q.19.
Which of the following is an anaesthetic?
-
33%
a) Trichloromethane
-
33%
b) Thiobarburates
-
17%
c) Ether
-
17%
d) All of the above
Q.20.
An aqueous solution of ethyl alcohol .... ....
-
57%
a) turns blue litmus red
-
14%
b) turns red litmus blue
-
14%
c) does not affect the litmus colour
-
14%
d) decolourises litmus
Q.21.
Molasses contains .... ....
-
14%
a) 10% sugar
-
0%
b) 50% sugar
-
29%
c) 60% sugar
-
57%
d) 70% sugar
Q.22.
Oxidation of allyl alcohol, (CH2 = CH - CH2OH) gives a mixture of oxalic acid and formic acid. If this oxidation is done in presence of bromine. One would expect only .... ....
-
40%
a) acrylic acid
-
20%
b) formic acid
-
20%
c) oxalic acid
-
20%
d) succinic acid
Q.23.
(CH3CO)Na on reaction with CH3Br will give ... ..
-
0%
a) CH3OCH3
-
0%
b) (CH3)3COCH3
-
57%
c) (CH3)3COC(CH3)3
-
43%
d) CH3CH2OCH2CH3
Q.24.
Which method is employed to convert alkyl halide into alcohol?
-
17%
a) Addition
-
17%
b) Substitution
-
50%
c) Dehydration
-
17%
d) Rearrangement
Q.25.
on Q235) In the reaction below find product X is
-
0%
a)
-
0%
b)
-
67%
c)
-
33%
d)
Explanation
Q.26.
From methyl alcohol we get .... ....
-
17%
a) neoprene rubber
-
17%
b) perspex rubber
-
17%
c) backelite a hard plastic
-
50%
d) sponge rubber
Q.27.
3-methyl-2-butanol on treatment with HCl gives predominantly ... ...
-
33%
a) 2-chloro-3-methylbutane
-
33%
b) 2,2- dimethylpentane
-
17%
c) 2-chloro-2methylbutane
-
17%
d) 2-chlro-pentane
Q.28.
han One Correct Answer Q238) Denatured spirit is used as
-
14%
a) fuel
-
14%
b) beverage
-
57%
c) solvent
-
14%
d) none of these
Q.29.
Fenton's reagent is .... ......
-
17%
a) H2O2 + FeSO4
-
33%
b) H2O2 + ZnSO4
-
33%
c) H2O + FeSO4
-
17%
d) NaOH + FeSO4
Q.30.
When CH3MgI is made to react with acetone and the addition product formed in hydrolysed, we get .... ..
-
0%
a) secondary alcohol
-
50%
b) an aldehyde
-
33%
c) a tertiary alcohol
-
17%
d) a primary alcohol
Explanation
