What is the hybridisation state of benzyl carbonium ion ?

(a)

sp²

(b)

spd²

(c)

sp³

(d)

sp²d

Decreasing order of nucleophilicity is ____________.

(a)

OH^- > NH₂^- > -OCH₃ > RNH₂

(b)

NH₂^- > OH^- > -OCH₃ > RNH₂

(c)

NH₂^- > CH₃O^- > OH^- > RNH₂

(d)

CH₃O^- > NH₂^- > OH^- > RNH₂

Homolytic fission of covalent bond leads to the formation of ___________.

(a)

electrophile

(b)

nucleophile

(c)

Carbo cation

(d)

free radical

Hyper Conjugation is also known as ___________.

(a)

no bond resonance

(b)

Baker - nathan effect

(c)

both (a)and (b)

(d)

none of these

Which of the following species does not exert a resonance effect ?

(a)

C₆H₅OH

(b)

C₆H₅Cl

(c)

C₆H₅NH₂

(d)

\({ C }_{ 6 }{ H }_{ 5 }\overset { + }{ N } { H }_{ 3 }\)