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JEE 2020 Chemistry : Aldehydes, Ketones and Carboxylic Acids-01 (11.09.2019)
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Question 1
A compound of molecular formula 
reacts with acetophenone to form a single cross-aldol product in the presence of base. The same compound on reaction with conc. NaOH forms benzyl alcohol as one of the products. The structure of the compound is:
reacts with acetophenone to form a single cross-aldol product in the presence of base. The same compound on reaction with conc. NaOH forms benzyl alcohol as one of the products. The structure of the compound is: Question 2
Examine the followings two structures for the ion and choose the correct statement from the ones given below.
I
II
I
II
Question 3
C6H5COCl
Intermediate 
Intermediate
A
Compound A in above reaction sequence is–
Intermediate IntermediateA Compound A in above reaction sequence is–
Question 4
In the reaction series –
CH3CHO
P 
Q
R The product R is –
CH3CHO
P Q R The product R is – Question 5
Acetone can be converted into pinacol by:
Question 6
In the given reaction
[X] will be:
[X] will be:
Question 7
Acetal or ketal is:
Question 8
Arrange these compounds in decreasing order of reactivity for the nucleophilic addition reaction:
(I) Acid chloride (II) Aldehyde (III) Ketone (IV) Ester
Select the correct answer from the codes given below:
(I) Acid chloride (II) Aldehyde (III) Ketone (IV) Ester
Select the correct answer from the codes given below:
Question 9
Acetophenone can be obtained by the distillation of:
Question 10
In the given reaction
(a) and (b) respectively be:
(a) and (b) respectively be:
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Sep 11JEE & BITSAT
