1
NEET 2022 Phase 2
MCQ (Single Correct Answer)
+4
-1

The incorrect method to synthesize benzaldehyde is

A
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 1
B
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 2
C
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 3
D
NEET 2022 Phase 2 Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 10 English Option 4
2
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Given below are two statements :

Statement I : The boiling points of aldehydes and ketones are higher than hydrocarbons of comparable molecular masses because of weak molecular association in aldehydes and ketones due to dipole - dipole interactions.

Statement II : The boiling points of aldehydes and ketones are lower than the alcohols of similar molecular masses due to the absence of H-bonding.

In the light of the above statements, choose the most appropriate answer from the given below

A
Both Statement I and Statement II are correct
B
Both Statement I and Statement II are incorrect
C
Statement I is correct but Statement II is incorrect
D
Statement I is incorrect but Statement II is correct
3
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

RMgX + CO2 $$\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ether}^{dry}} $$ Y $$\buildrel {{H_3}{O^ + }} \over \longrightarrow $$ RCOOH

What is Y in the above reaction?

A
RCOO$$-$$Mg+X
B
R3CO$$-$$Mg+X
C
RCOO$$-$$X+
D
(RCOO)2Mg
4
NEET 2022 Phase 1
MCQ (Single Correct Answer)
+4
-1

Match List-I with List-II.

List - I
(Products formed)
List - II
(Reaction of carbonyl compound with)
(a) Cyanohydrin (i) NH$$_2$$OH
(b) Acetal (ii) RNH$$_2$$
(c) Schiff's base (iii) Alcohol
(d) Oxime (iv) HCN

Choose the correct answer from the options given below

A
(a) - (iii), (b) - (iv), (c) - (ii), (d) - (i)
B
(a) - (ii), (b) - (iiii), (c) - (iv), (d) - (i)
C
(a) - (i), (b) - (iii), (c) - (ii), (d) - (iv)
D
(a) - (iv), (b) - (iii), (c) - (ii), (d) - (i)
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