B.Sc. Second year Undergraduate degree course Semester Third Organic Chemistry paper VII
Chapter – Aldehydes and Ketones
Multiple Choice questions
1. The polar nature of carbonyl group in aldehydes and
ketones is due to____________
a) very less electronegative
difference
b) very large electronagative
difference
c) presence ot hydrogen bonding
d) presence of sp hybridised
characters in carbonyl compound
2. Which of
the following organic compounds are second oxidation products of alkanes?
a) 1°and 2° alcohols
b) carboxylic acids and esters
c) 2° and 3° alcohols
d) aldehyde and ketones
3. The
lUPAC name of methyl iso-propyl ketone is____
a) 3-methyl butan-2-one
b) 2-methyl butan-1-one
c) 3-methyl butan-1-one
d) 1,1-dimethyl-2-one
4. In
aldehydes and ketones the carbonyl carbon is___
a) sp3-hybridised
b) sp2' hybridised
c) unhybridised
d)sp-hybridised
5. which of
the following decrease the reactivity of aldehyde?
a)+I effect
b) -Ieffect
c) positive electromeric effect
d) negative electromeric effect
6.
The reaction given below is an example of
a)Acetal formation
b)Aldol condensation
c) Baeyer-Villiger oxidation
d)Knoevenagel reaction
7. The reaction given below is an example of
a)Gatterman-Koch synthesis
b)Aldol condensation
c) Baeyer-Villiger oxidation
d)Knoevenagel reaction
8. The reaction given below is an example of
a)Gatterman-Koch synthesis
b)Aldol condensation
c) Mannich reaction
d)Knoevenagel reaction
9. Correct Name of the given compound
a)Benzoic acid
b) Benzoin ketone
c) Benzoin
d) Diphenyl alcohol
10.Benzaldehyde refluxed with ethanolic potassium cynide
to form
a)Benzoic acid
b) Benzoin ketone
c) Benzoin
d) Diphenyl alcohol
For More questions on Aldehydes and Ketones
Part-1 Click here
Part-2 Click here
Thermodynamics-I
Thermodynamics-II
Chemical Equilibrium
Phenol MCQ-2
Phenol MCQ-1
Alcohol MCQ-3
Alcohol MCQ-2
Alcohol MCQ-1
Aldehydes and Ketones MCQ-2
Aldehydes and Ketones MCQ-1
Old Question papers Semester-III Paper No. VII, VIII