1
COMEDK 2025 Evening Shift
MCQ (Single Correct Answer)
+1
-0
What are the intermediates formed during the reactions $A$ and $B$ ?
A. Reimer-Tiemann reaction.
B. Dehydration of alcohols in the slow rate determining step.
A
B
C
D
2
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
Complete the following 2 reactions A \& B by choosing appropriate reactants $[\mathrm{X}] \&[\mathrm{Y}]$.
3
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
Which one of the following compounds will give a yellow precipitate when reacted with $\mathrm{I}_2 / \mathrm{NaOH}$?
4
COMEDK 2025 Afternoon Shift
MCQ (Single Correct Answer)
+1
-0
Two statements, One Assertion and the other Reason, are given.
Which one of the following is the correct option?
Assertion: The acid strength of 4 compounds in the descending order is p- Nitrophenol > p-Methoxyphenol > Phenol > p-chlorophenol.
Reason: Electron withdrawing groups increase the acid strength while Electron donating groups decrease the acid strength of Phenol and its derivatives.
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