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Test: Chemical reactions for aldehydes and ketones - JEE MCQ
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20 Questions MCQ Test Chemistry for JEE Main & Advanced - Test: Chemical reactions for aldehydes and ketones
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Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 1
, Structure of 
is:
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 2
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Test: Chemical reactions for aldehydes and ketones - Question 3
What is the product of the following reaction?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 3
Test: Chemical reactions for aldehydes and ketones - Question 4
Product (B) in this reaction is:
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 4
Test: Chemical reactions for aldehydes and ketones - Question 5
Which one of the following is not formed by aldol condensation of a mixture of ethanal and propanal?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 5
Test: Chemical reactions for aldehydes and ketones - Question 6
The number of aldehydes that undergo cannizaro reaction from the following are Phenyl ethanal, Methanal, 2 Methoxy propanal, Trichoro ethanal
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 6
-hydrogens undergo cannizzaro reaction.
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 7
Test: Chemical reactions for aldehydes and ketones - Question 8
Identify appropriate reagents for the above reaction:
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Test: Chemical reactions for aldehydes and ketones - Question 9
The starting compounds needed to make the following compound?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 9
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 10
Test: Chemical reactions for aldehydes and ketones - Question 11
The reagents employed to carry the following transformation
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 11
Test: Chemical reactions for aldehydes and ketones - Question 12
What is the product of the following reaction?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 12
ion and the reaction is
Test: Chemical reactions for aldehydes and ketones - Question 13
What is the product of the following reaction?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 13
Test: Chemical reactions for aldehydes and ketones - Question 14
In the following reaction, the product 
is 
is
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 14
atom, undergo Cannizzaro reaction if treated with concentrated alkali (NaOH), i.e., one mole of the aldehyde is reduced to alcohol and other mole is oxidised to salt of acid. Thus, the given aldehyde (glyoxal) undergoes intramolecular Cannizzaro reaction, ie. its half part is oxidised and half is reduced.
Test: Chemical reactions for aldehydes and ketones - Question 15
3-hydroxybutanal is formed when reacts with in dilute solution. What are and ?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 15
-H-atoms undergoes aldol condensation in the presence of dil. 
and yield 
-hydroxy aldehydes.
Test: Chemical reactions for aldehydes and ketones - Question 16
Amongst the following compounds, the one that will not respond to Cannizzaro reaction upon treatment with alkali is
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 16
-hydrogen atom. Among the given compound 
and HCHO respond
do not due to the following reason.
carbonium is resonance stabilised therefore it is better leaving group than OH. These initial products exchange a proton to give ion of carboxylic acid and trichloromethane (
).
?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 17
Test: Chemical reactions for aldehydes and ketones - Question 18
What is the product of the following reaction.
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 18
Test: Chemical reactions for aldehydes and ketones - Question 19
The most reactive compound towards formation of cyanohydrin on treatment with KCN followed by acidification is
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 19
group is electron withdrawing which enchances the addition of 
ion (a nucleophili additon reaction).
Test: Chemical reactions for aldehydes and ketones - Question 20
What is D in the following sequence of reactions?
Detailed Solution for Test: Chemical reactions for aldehydes and ketones - Question 20
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