Question

The compound which forms acetaldehyde when heated with dilute NaOH, is
(a) 1, 1-dichloroethane
(b)1, 1, 1-trichloroethane
(c) 1-chloroethane
(d)1, 2-dichloroethane

Answer 1

c is the best answer to your

Answer 2

Answer: 1,1dichloroethane

Explanation: ch3--ch (cl)2 + dil naoh-------ch3--ch(oh)2---------> ch3cho +h2o

Hope this help you