List of top Chemistry Questions on carbonyl compounds asked in CUET (PG)

Arrange the following carbonyl compounds in the decreasing order of their reactivity towards nucleophilic addition reaction:
(A) CH₃CHO
(B) HCHO
(C) Cl₃CCHO
(D) CH₃COCH₂CH₃
Choose the correct answer from the options given below:

The following carbonyl compounds absorb IR radiations in the decreasing order.
A.
B.
C.
D.
Choose the correct answer from the options given below:

What are the most common electronic transition(s) associated with carbonyl functional group?
\(\alpha\rightarrow\pi\) 
\(\alpha\rightarrow n\) 
\(n \rightarrow \pi^*\)
\(\pi \rightarrow \pi^*\)