Question

Which of the following gives yellow precipitate with \(I_2 / NaOH\) ?

(a) 

(b) 

(c) 

(d) 

(1) \(a \ \& \ b\)

(2) \(b \ \& \ c\)

(3) \(a \ \& \ c\)

(4) \(b \ \& \ d\)

Answer 1

Correct option is:  (1) \(a \ \& \ b\)