1
JEE Main 2016 (Online) 10th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct statement about the synthesis of erythritol (C(CH2OH)4) used in the preparation of PETN is :
A
The synthesis requires four aldol condensations between methanol and ethanol.
B
The synthesis requires two aldol condensations and two Cannizzaro reactions.
C
The synthesis requires three aldol condensations and one Cannizzaro reaction.
D
Alpha hydrogens of ethanol and methanol are involved in this reaction.
2
JEE Main 2015 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
In the following sequence of reactions:

JEE Main 2015 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 175 English
The product C is
A
C6H5CH3
B
C6H5CH2OH
C
C6H5CHO
D
C6H5COOH
3
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
In the reaction,
JEE Main 2014 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 176 English
the product C is:
A
Ethylene
B
Acetyl chloride
C
Acetaldehyde
D
Acetylene
4
JEE Main 2014 (Offline)
MCQ (Single Correct Answer)
+4
-1
The most suitable reagent for the conversion of R - CH2 - OH $$\to$$ R - CHO is:
A
CrO3
B
PCC (Pyridinium Chlorochromate)
C
KMnO4
D
K2Cr2O7
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