Q.1.
CH3CHO + H2NOH → CH3-CH = N -OH .... [ IIT 1997] The above reaction occurs at
-
20%
a) pH = 1
-
40%
b) pH = 4.5
-
10%
c) pH = 12
-
30%
d) any value of pH
Q.2.
Oxalic acid may be distinguished from tartaric acid by
-
10%
a) NaHCO3
-
30%
b) litmus paper
-
40%
c) ammoniacal silver nitrate
-
20%
d) phenolphthalein
Q.3.
HCHO and HCOOH are detected by ... ... [ DEC 2006]
-
20%
a) NaHCO3
-
20%
b) CuSO4/NaOH
-
30%
c) AgNO3/NH4OH
-
30%
d) All of these
Q.4.
Lactic acid on oxidation by alkaline potassium permanganate gives
-
20%
a) Tartaric acid
-
40%
b) Pyruvic acid
-
20%
c) Cinnamic acid
-
20%
d) Propionic acid
Explanation
Q.5.
COOH group in a carboxylic acid can be replaced by 'H" by heating the acid with
-
25%
a) Zn with HCl
-
38%
b) H2 inpresence of nickel
-
25%
c) sodalime
-
12%
d) bromine and concentrated aqueous alkali
Q.6.
When an acyl chloride is heated with Na salt of a carboxylic acid, the product is ... ...[ DEC 2003]
-
33%
a) Aldehyde
-
17%
b) Alkene
-
17%
c) Anhydride
-
33%
d) Ester
Q.7.
Formic acid and acetic acid differ in which of the following respect?
-
33%
a) Blue litmus reaction
-
17%
b) Replacement of hydrogen by sodium
-
33%
c) Formation of ester with alcohol
-
17%
d) Reduction of fehling solution
Q.8.
The major product of nitration of Benoic acid is ... ...[ IIT 1993]
-
11%
a) 3-Nitrobenzoic acid
-
11%
b) 4- Nitrobenzoic acid
-
22%
c) 2-Nitrobenzoic acid
-
56%
d) 2-4-Dintrobenzoic acid
Explanation
Q.9.
Which salt can be produced by the reaction of carbon monoxide and caused soad (NaOH)
-
38%
a) HCHO
-
25%
b) C2H2O4
-
38%
c) CH3COOH
-
0%
d) HCOONa
Q.10.
tion :Formic acid reduces mercuric chloride to mercurous chloride on heating, while acetic acid does not Reason : Formic acid is stronger than acetic acid
-
17%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
17%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
50%
c) Assertion is true but, Reason is false
-
17%
d) Assertion is false but, Reason is true
Q.11.
A is higher phenol and B is an aromatic carboxylic acid. Separation of a mixture of A and B can be carried out easilyby having a solution
-
25%
a) Na2CO3
-
25%
b) NaHCO3
-
25%
c) NaOH
-
25%
d) Lime
Q.12.
Than One Correct Answer Q41) Proligneous acid is used in the manufacture of
-
25%
a) propanone
-
0%
b) methanol
-
50%
c) propanal
-
25%
d) ethanal
Q.13.
Which of the following compounds gives benzoic acid on oxidation? [ IIT 1993]
-
17%
a) Chlorophenol
-
17%
b) Chlorotoluene
-
50%
c) Chlorobenzene
-
17%
d) Benzyl chloride
Explanation
Q.14.
Which of the following compounds will evolve hydrogen on treatment with Na metal?
-
17%
a) CH3COOH
-
17%
b) C2H5OH
-
67%
c) both a and b
-
0%
d) none
Q.15.
Benzaldehyde reacts with excess of anhydrous ethyl alcohol in the presence of HCl, give ... ...[ Roorkee 1995]
-
0%
a) C6H5COCl
-
25%
b) C6H5COOC2H5
-
50%
c) C6H5CH(OC2H5)2
-
25%
d) C6H5CH2Cl
Explanation
Q.16.
The silver salt of fatty acid on refluxing with an alkyl halide gives an ... ..[ Karnataka CET 2004]
-
50%
a) Amine
-
0%
b) Acid
-
0%
c) Ester
-
50%
d) Ether
Q.17.
Amides on treatment with Br2 and KOH are converted into amines, the reaction is known as
-
17%
a) H.V.Z.reaction
-
33%
b) Hofmann's bromamide reaction
-
17%
c) Hofmann's methylation
-
33%
d) Gabriel phthalimide reaction
Q.18.
ion Q47) The reaction is called
-
25%
a) Sandmeter reaction
-
0%
b) Cannizzaro reaction
-
50%
c) Hell-Volhard Zelinsky reaction
-
25%
d) Reimer-Tiemann reaction
Q.19.
ion Q48) Compound X is
-
50%
a) CH3COOH
-
50%
b) Br CH2 - COOH
-
0%
c) (CH3CO)2O
-
0%
d) CHO-COOH
Q.20.
When propanamide reacts with Br2 and NaOH then which of the following compounds is formed?
-
25%
a) Ethyl amine
-
25%
b) Ethyl alcohol
-
25%
c) Propyl alcohol
-
25%
d) Propyl amine
Q.21.
Pick out the unsaturated fatty acid from the following .... [ KCET 2004]
-
0%
a) Steric acid
-
0%
b) Lauric acid
-
33%
c) Oleic acid
-
67%
d) Palmitic acid
Q.22.
tion : Ethyl acetoacetate gives reddish-violet colour with FeCl3(aq) Reason : Ethyl acetoacetate shows keto-enol isomerism
-
33%
a) Both Assertion and Reason are true and Reason is the correct explanation of Assertion
-
0%
b) The Assertion and Reason are true but Reason is not correct explanation of Assertion
-
67%
c) Assertion is true but, Reason is false
-
0%
d) Assertion is false but, Reason is true
Q.23.
The IUPAC name of caproic acid is
-
25%
a) hexanoic acid
-
0%
b) octanoic acid
-
50%
c) pentanoic acid
-
25%
d) heptanoic acid
Q.24.
In the presence of aluminium ethoxide, aldehydes get converted into esters. The reaction is known as
-
25%
a) Aldol condensation
-
50%
b) Beckmann's rearrangement reaction
-
25%
c) Tischenko reaction
-
0%
d) Schmidt reaction
Explanation
Q.25.
When acetamide reacts with Br2 and caustic soda, then we get
-
0%
a) Acetic acid
-
0%
b) Bromoacetic acid
-
33%
c) Methyl amine
-
67%
d) Ethyl amine
Q.26.
ion Q55) The acid produced (A) in the sequence given below is .... ...[ DEC 2000 ]
-
25%
a) Succinic acid
-
25%
b) Melonic acid
-
25%
c) Oxalic acid
-
25%
d) Maleic acid
Explanation
Q.27.
Which of the following statements is wrong?
-
33%
a) Benzaldehyde does not reduce Fehling's solution
-
17%
b) Formic acid is stronger than acetic acid
-
0%
c) Lactic acid does not answer the silver mirror test
-
50%
d) o-bromobenzoic acid is weaker than o-chlorobenoic acid
Q.28.
Which of the following will have lowest pH when one mole of each of the following is hydrolysed with water? [ IIT 1990]
-
0%
a) CH3COCl
-
25%
b) (CH3CO)2O
-
25%
c) CH3CONH2
-
50%
d) CH3COOC2H5
Q.29.
The reaction product of the compound 'A' with excess of methyl magnesium iodide followed by acidification yields t-butanol. The compound A is
-
25%
a) ethanal
-
25%
b) methyanal
-
25%
c) methyl ethanoate
-
25%
d) propanal
Explanation
Q.30.
The conversion of CH3OH to CH3COOH can be brought in by
-
17%
a) H3PO3
-
33%
b) KMnO4
-
17%
c) K2Cr2O7
-
33%
d) CO + Rh