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1
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
Sodium salt of an organic acid ‘X’ produces effervescence with conc. H2SO4. ‘X’ reacts with the acidified aqueous CaCl2 solution to give a white precipitate which decolourises acidic solution of KMnO4. ‘X’ is :
A
CH3COONa
B
Na2C2O4
C
C6H5COONa
D
HCOONa
2
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product obtained in the following reaction is :

JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 172 English
A
JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 172 English Option 1
B
JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 172 English Option 2
C
JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 172 English Option 3
D
JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 172 English Option 4
3
JEE Main 2017 (Offline)
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct sequence of reagents for the following conversion will be :

JEE Main 2017 (Offline) Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 173 English
A
CH3MgBr, H+/ CH3OH, [Ag(NH3)2]+OH-
B
[Ag(NH3)2]+OH-, CH3MgBr, H+/ CH3OH
C
[Ag(NH3)2]+OH-, H+/ CH3OH, CH3MgBr
D
CH3MgBr, [Ag(NH3)2]+OH-, H+/ CH3OH
4
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.
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