Multiple choice

Assertion: Addition of H2O to acetylene occurs in presence of dil. H2SO4 and HgSO4 to give acetaldehyde. Reason: It is an example of electrophilic addition reaction.

  1. Both A and R are true and R is the correct explanation of A.

  2. Both A and R are true but R is NOT the correct explanation of A.

  3. A is true but R is false.

  4. A is false but R is true.

  5. Both A and R are false.

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct, because Hg+2 ion being an electrophile first complexes with the π-electrons of the triple bond and then nucleophile attack of H2O occurs.