The X is _______.

(a)

(b)

(c)

(d)

None of these

In the reaction sequence, Ethane \(\overset { HOCl }{ \longrightarrow } A\overset { x }{ \longrightarrow } \) ethan -1, 2 - diol. A and X respectively are ________.

(a)

Chloroethane and NaOH

(b)

ethanol and H₂SO₄

(c)

2 – chloroethan -1-ol and NaHCO₃

(d)

ethanol and H₂O

Which one of the following is the strongest acid.

(a)

2 - nitrophenol

(b)

4 – chlorophenol

(c)

4– nitrophenol

(d)

3 – nitrophenol

on treatment with Con H₂SO₄, predominately gives______.

(a)

(b)

(c)

(d)

Carbolic acid is _____.

(a)

Phenol

(b)

Picri cacid

(c)

benzoic acid

(d)

phenylacetic acid