Which one of the following is not a meta director?

(a)

-NH₂

(b)

-NO₂

(c)

-COOR

(d)

-SO₃H

Which one of the following is benzene ring deactivator?

(a)

-CHO

(b)

-OH

(c)

-CH₃

(d)

-OCH₃

Fine the odd one out:

(a)

Benzene

(b)

Ethane

(c)

Ethene

(d)

Propyne

Which among these is not associated with aliphatic compounds?

(a)

They contain (4n+2)\(\pi\) electrons

(b)

They contain straight chain compounds

(c)

They contain branched chain compounds

(d)

They have appropriate number of H-atoms and functional groups.

Which of the following compounds will exhibit cis-trans isomerism?

(a)

2 - Butene

(b)

2 - Butyne

(c)

1 - Butene

(d)

2 - Butanol