Aldehydes, Ketones & Carboxylic Acids Test

Result

Aldehydes, Ketones & Carboxylic Acids Test - 43

Score
-
out of -
Rank
-
out of -

TIME Taken - -

SHARING IS CARING

If our Website helped you a little, then kindly spread our voice using Social Networks. Spread our word to your readers, friends, teachers, students & all those close ones who deserve to know what you know now.

Weekly Quiz Competition

Question 1
4 / -1

What is the main reason for the fact that carboxylic acids can undergo ionization ?

A
Absence of alpha- hydrogen

B
Resonance stabilization of the carboxylate ion

C
High reactivity of alpha-hydrogen

D
Hydrogen bonding
Question 2
4 / -1

The major product of nitration of benzoic acid is

A
3 - Nitrobenzoic acid

B
4 - Nitrobenzoic acid

C
2 - Nitrobenzoic acid

D
2,4 - Dinitrobenzoic acid
Question 3
4 / -1

The preparation of ethyl acetoacetate involves

A
Wittig reaction

B
Cannizzaro’s reaction

C
Reformatsky reaction

D
Claisen condensation
Question 4
4 / -1

An ester is boiled with KOH. The product is cooled and acidified with concentrated HCl. A white crystalline acid separates. The ester is

A
Methyl acetate

B
Ethyl acetate

C
Ethyl formate

D
Ethyl benzoate
Question 5
4 / -1

Reaction of ethyl formate with excess of CH₃MgI followed by hydrolysis gives

A
n-Propyl alcohol

B
Ethanal

C
Propanal

D
Isopropyl alcohol

Solution
Question 6
4 / -1

Carboxylic acid group does not give the usual addition and elimination reactions of aldehydes and ketones because

A

B
carboxylate ion gets ionised

C
carboxylate ion gets stabilised by resonance

D
it exists as –COOH and there is no carbonyl group
Question 7
4 / -1

Formic acid and acetic acid may be distinguished by reaction with

A
Sodium

B
Mercuric chloride

C
2,4-Dinitrophenylhydrazine

D
Sodium ethoxide
Question 8
4 / -1

Which one of the following esters is obtained by the esterification of propan-2-ol with ethanoic acid ?

A
(CH₃)₂CHCOOCH₃

B
CH₃COOCH₂CH₃

C
CH₃COOCH (CH₃)₂

D
(CH₃)₂ CHCOOCH₂CH₃
Question 9
4 / -1

The correct order of decreasing acid strength of trichloroacetic acid (A), trifluoroacetic acid (B), acetic acid (C) and formic acid (D) is

A
A > B > C > D

B
A > C > B > D

C
B > A > D > C

D
B > D > C > A
Question 10
4 / -1

Identify X in the following sequence of reactions :

A
(CH₃)₂CHCOCl

B
CH₃CH₂CH(OH) CH₂Cl

C
CH₃CH₂CH₃COCl

D
ClCH₃CH₃CH₃CHO

User

Question Analysis

Correct -
Wrong -
Skipped -

My Perfomance

Score
-
out of -
Rank
-
out of -

Re-Attempt Weekly Quiz Competition

Aldehydes, Ketones & Carboxylic Acids Test - 43

Result

Aldehydes, Ketones & Carboxylic Acids Test - 43

Score

-

Rank

-

SHARING IS CARING

Question 1

Absence of alpha- hydrogen

Resonance stabilization of the carboxylate ion

High reactivity of alpha-hydrogen

Hydrogen bonding

Question 2

3 - Nitrobenzoic acid

4 - Nitrobenzoic acid

2 - Nitrobenzoic acid

2,4 - Dinitrobenzoic acid

Question 3

Wittig reaction

Cannizzaro’s reaction

Reformatsky reaction

Claisen condensation

Question 4

Methyl acetate

Ethyl acetate

Ethyl formate

Ethyl benzoate

Question 5

n-Propyl alcohol

Ethanal

Propanal

Isopropyl alcohol

Solution

Question 6

carboxylate ion gets ionised

carboxylate ion gets stabilised by resonance

it exists as –COOH and there is no carbonyl group

Question 7

Sodium

Mercuric chloride

2,4-Dinitrophenylhydrazine

Sodium ethoxide

Question 8

(CH3)2CHCOOCH3

CH3COOCH2CH3

CH3COOCH (CH3)2

(CH3)2 CHCOOCH2CH3

Question 9

A > B > C > D

A > C > B > D

B > A > D > C

B > D > C > A

Question 10

(CH3)2CHCOCl

CH3CH2CH(OH) CH2Cl

CH3CH2CH3COCl

ClCH3CH3CH3CHO

User

Question Analysis

My Perfomance

Score

-

Rank

-

Results Announcement on: coming Monday

Stay Tuned: We’ll update you on your result via email or SMS.

(CH₃)₂CHCOOCH₃

CH₃COOCH₂CH₃

CH₃COOCH (CH₃)₂

(CH₃)₂ CHCOOCH₂CH₃

(CH₃)₂CHCOCl

CH₃CH₂CH(OH) CH₂Cl

CH₃CH₂CH₃COCl

ClCH₃CH₃CH₃CHO