Q.1.
The organic compound present in tincture of iodine is .... ....
-
10%
a) CS2
-
40%
b) CCl4
-
20%
c) alcohol
-
30%
d) acetone
Q.2.
In esterification of an acid, the other reagent is ... .....
-
0%
a) Water
-
57%
b) alcohol
-
14%
c) aldehyde
-
29%
d) amine
Q.3.
For the preparation tert- butylmethylether by Williamson's method the correct choice of reagents is ... ...
-
17%
a) methoxide and tert-butylbromide
-
17%
b) methanol and 2-bromobutane
-
33%
c) 2-butanol and methylbromide
-
33%
d) tert-butoxide and methylbromide
Q.4.
Which of the property give below is not associated with glycerol? ....
-
0%
a) Formation of allyl iodide with PI3
-
20%
b) Formation of tartronic acid on oxidation
-
0%
c) Formation of tartronic acid on oxidation
-
80%
d) Formation of water and CO2 on reduction
Q.5.
Power alcohol is a mixture of petrol and alcohol in the ratio of .... ...
-
50%
a) 1:2
-
0%
b) 2:1
-
25%
c) 1:4
-
25%
d) 4:1
Q.6.
Primary and secondary alcohols on action of reduced copper give ... ....
-
0%
a) Only aldehydes
-
0%
b) Only ketones
-
75%
c) aldehydes and ketones respectively
-
25%
d) ketones and aldehyde respectively
Q.7.
When acetamide is treated with LiAlH4 .... .... is formed
-
33%
a) acetic acid
-
0%
b) methanol
-
0%
c) formic acid
-
67%
d) ethanol
Explanation
Q.8.
Ethanol reacts with thionyl chloride to give ethyl chloride and .... ....
-
25%
a) S, SO2
-
50%
b) SO2, HCl
-
0%
c) SO3, HCl
-
25%
d) Cl2, SO3
Q.9.
Alcoholic fermentation of sugar gives 3% glycerol. The yield can be increased to 25% if fermentation is made in presence of ... ...
-
0%
a) Na2S
-
67%
b) Na2SO4
-
0%
c) Na3PO4
-
33%
d) none of these
Q.10.
For one mole of glycerol, how many mole of acetyl chloride are required for complete acetylation?
-
0%
a) One
-
50%
b) Two
-
0%
c) Three
-
50%
d) Four
Q.11.
The number of methoxy groups in a compound can be determined by treating it with .... ...
-
0%
a) Sodium carbonate
-
0%
b) acetic acid
-
100%
c) HI and AgNO3
-
0%
d) sodium hydroxide
Q.12.
Glycol condenses with ketones to give .... ....
-
0%
a) cyclic acid
-
0%
b) cyclic ketals
-
50%
c) acetaldehyde
-
50%
d) oxalic acid
Explanation
Q.13.
The general molecular formula, which represents the homologous series of alkanols is .....
-
50%
a) CnH2n+1O
-
0%
b) CnH2n+2O
-
50%
c) CnH2nO2
-
0%
d) CnH2nO
Q.14.
on Q374) The principal organic product in the reaction is
-
0%
a)
-
50%
b)
-
0%
c)
-
50%
d)
Q.15.
Sodium ethoxide is obtained by the reaction of ethyl alcohol with .... .....
-
0%
a) NaOH
-
50%
b) NaHCO3
-
0%
c) NaCl
-
50%
d) Na
Q.16.
Decreasing order of boiling points of n-pentanol (A), n-pentane (B), 3-pentanol (C) and 2,2-dimethyl propanol (D) is .... ..
-
50%
a) A, B, C, D
-
0%
b) B, A, C, D
-
50%
c) A, D, C, B
-
0%
d) A, C, D, B
Q.17.
Which of the following is insoluble in alcohol?
-
50%
a) Soaps and varnishes
-
0%
b) Dyes and drugs
-
0%
c) Rubbers and plastics
-
50%
d) Resins and varnishes
Q.18.
han One Correct Answer Q378) The compound(s) which is/are used as anaesthetic is/are
-
0%
a) CHCl3
-
50%
b) ethyl alcohol
-
50%
c) ether
-
0%
d) carbon tetrachloride
Q.19.
Acrolein is obtained when glycerol is dehydrated with .... ...
-
0%
a) P2O5
-
50%
b) conc. H2SO4
-
0%
c) KHSO4
-
50%
d) all of these
Q.20.
Ethers are quite stable towards ... ....
-
50%
a) Oxidising agent
-
0%
b) Base
-
0%
c) Na Matel
-
50%
d) Reducing agent
Q.21.
Phenol does not react with ....
-
0%
a) Na2CO3
-
0%
b) NaOH
-
0%
c) NaHCO3
-
100%
d) KOH
Q.22.
A mixture of alcohol and ether is called .... ....
-
50%
a) power alcohol
-
0%
b) natalite
-
0%
c) peroxide
-
50%
d) none of these
Q.23.
Diethyl ether may be regarded as anhydride of .... ...
-
0%
a) C2H5COOH
-
0%
b) C2H5COOC2H5
-
0%
c) C2H5OH
-
100%
d) C2H5CHO
Q.24.
Glycerol on oxidation with dil.HNO3 gives
-
0%
a) tarronic acid
-
50%
b) glyceric acid
-
0%
c) mesoxalic acid
-
50%
d) oxalic acid
Explanation
Q.25.
The characteristic group of secondary alcohol is .....
-
0%
a) - CH2OH
-
50%
b) - COOH
-
50%
c)
-
0%
d)
Q.26.
Formic acid is obtained when .... ....
-
50%
a) glycerol is heated with oxalic acid at 110°C
-
0%
b) calcium formate is heated with calcium acetate
-
0%
c) acetaldehyde is oxidized with K2Cr2O7 and conc. H2SO4
-
50%
d) (CH3COO)2Ca is heated with conc. H2SO4
Q.27.
Which one has highest boiling point>
-
0%
a) Butan-1-ol
-
0%
b) Butane
-
0%
c) Ethane
-
100%
d) hexane
Q.28.
Acetic acid is obtained from ethyl alcohol by process of ... ..
-
0%
a) distillation
-
0%
b) reduction
-
50%
c) dehydration
-
50%
d) fermentation
Q.29.
han One Correct Answer Q389) Which will give a yellow precipitate with iodine and alkali?
-
0%
a) 2-hydroxy propane
-
0%
b) Acetophenone
-
100%
c)Methanol
-
0%
d) Acetamide
Q.30.
In the fermentation of sugar molasses, the percentage of ethanol formed is .... ....
-
50%
a) 10%
-
0%
b) 40%
-
0%
c) 70%
-
50%
d) 95%