Select the molecule which has only one \(\pi\) bond.

(a)

CH₃– CH = CH – CH₃

(b)

CH₃– CH = CH – CHO

(c)

CH₃– CH = CH – COOH

(d)

All of these

The general formula for alkadiene is ____________

(a)

C_nH_2n

(b)

C_nH_2n-1

(c)

C_nH_2n-2

(d)

C_nH_n-2

The IUPAC name of the Compound is _____________
 

(a)

2,3 - Diemethylheptane

(b)

3- Methyl -4- ethyloctane

(c)

5-ethyl -6-methyloctane

(d)

4-Ethyl -3 - methyloctane

The IUPAC name of the compound CH₃ – CH = CH – C ≡ CH is _________

(a)

Pent - 4 - yn-2-ene

(b)

Pent -3-en-l-yne

(c)

pent – 2– en – 4 – yne

(d)

Pent – 1 – yn –3 –ene

The IUPAC name of the compound \({ H }_{ 3 }C-\overset { \underset { | }{ { CH }_{ 3 } } }{ \underset { \overset { | }{ { CH }_{ 3 } } }{ C } } -CH=C{ \left( { CH }_{ 3 } \right) }_{ 2 }\) is _____________

(a)

2,4,4 – Trimethylpent -2-ene

(b)

2,4,4 – Trimethylpent -3-ene

(c)

2,2,4 – Trimethylpent -3-ene

(d)

2,2,4 – Trimethylpent -2-ene