Question

solve this... plz it's needed urgently​

Answer 1

Answer 4>3>2>1 Il it's right answer I think part (b)

Answer 2

Answer:

Hii friend,

Here is your answer...

Explanation:

Here all the given compounds are pyridine and the alkyl substituted pyridine derivatives.

According to Woodward Fischer rule, alkyl group increases the absorption maximum.

As alkyl substitution increases from 1 to 4 , the order of absorption maximum will be

4> 3> 2> 1.

:- correct answer is option (B)

Hope this helps you a little!!