JEE Main 2016 (Online) 10th April Morning Slot | Aldehydes, Ketones and Carboxylic Acids Question 170 | Chemistry

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JEE Main 2016 (Online) 10th April Morning Slot

MCQ (Single Correct Answer)

-1

The correct statement about the synthesis of erythritol (C(CH₂OH)4) used in the preparation of PETN is :

The synthesis requires four aldol condensations between methanol and ethanol.

The synthesis requires two aldol condensations and two Cannizzaro reactions.

The synthesis requires three aldol condensations and one Cannizzaro reaction.

Alpha hydrogens of ethanol and methanol are involved in this reaction.

JEE Main 2015 (Offline)

MCQ (Single Correct Answer)

-1

In the following sequence of reactions:

JEE Main 2015 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 175 English

The product C is

C₆H₅CH₃

C₆H₅CH₂OH

C₆H₅CHO

C₆H₅COOH

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

-1

In the reaction,
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 176 English

the product C is:

Ethylene

Acetyl chloride

Acetaldehyde

Acetylene

JEE Main 2014 (Offline)

MCQ (Single Correct Answer)

-1

The most suitable reagent for the conversion of R - CH₂ - OH $$\to$$ R - CHO is:

CrO₃

PCC (Pyridinium Chlorochromate)

KMnO₄

K₂Cr₂O₇

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