In E1, reaction, the intermediate formed is ___________

(a)

Carbanion

(b)

Carbocation

(c)

Carbon free radical

(d)

Carbene

How many structural isomers are possible for the molecular formula C₄H₈ which can undergo ozonolysis?

(a)

2

(b)

4

(c)

3

(d)

1

Actylene reacts with ammonical Cu₂CI₂ to give precipitate of ___________

(a)

Red colour

(b)

Yellow colour

(c)

White colour

(d)

Blue colour

Carbon-carbon bond length in benzene is ____________

(a)

1.39 A

(b)

1.09 A

(c)

1.54 A

(d)

1.34 A

The reasonance energy of benzene is ___________

(a)

209 kJ/mol

(b)

360 kJ/mol

(c)

151 kJ/mol

(d)

109 kJ/mol