Question

12. Which of the following reaction will give acetylene as a major product?(1) 2[CHl3] Ag(2) H3C- CH2 - Br - alc>KOH(3) CH2 - CH, Zn →Br Br(4) All of these​

Answer 1

Answer:

1is correct 2 option gives alkene as major product

Answer 2

Only (1) reaction will give acetylene as a major product. Other two reactions will give ethene as major product.

- The reaction is given as 2[CHl3] + {Ag} -----> C2H2

- (2) reaction will give ethene as the major product.

- (3) reaction will also give ethene as the major product.

- So the correct answer is option (1)