1
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Two statements, one Assertion (A) and the other Reason (R) are given. Choose the correct option.
Assertion: Compound $[\mathrm{X}]$ reacts with Hydrazine in presence of $\mathrm{KOH} /$ Glycol to form the product $[\mathrm{Y}]$.
Reason: Reduction reaction occurs and Carbonyl group is reduced to Methylene group.
2
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Which one of the following reactions does not give the correct combination of reactants and the major products formed in the reaction?
3
COMEDK 2025 Morning Shift
MCQ (Single Correct Answer)
+1
-0
Identify $[\mathrm{X}]$, the final product formed when 2 moles of Ethanal undergoes the following series of reactions with reagents [(i) to (iv)]
4
COMEDK 2024 Evening Shift
MCQ (Single Correct Answer)
+1
-0
Identify the end-product [D] formed when solution salicylate undergoes the following series of reactions
A
B
C
D
Questions Asked from Aldehyde and Ketone (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates No. of Questions
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