Nomenclature of Unsaturated Hydrocarbons

Q. The functional group $-NC$ and $-CN$ respectively represent :

1. Nitriles, Isonitrile
2. Amides, Nitriles, Isonitrile
3. Isonitriles, Nitriles
4. Nitriles, Amine

Q. Which of the following is an example of cumulated polyene?

1. 
2. 
3. 
4. 

Q. What is the correct IUPAC name of the following compound?

1. 4-ethenylhepta-1, 4-diene
2. 4-propyneylhept-1, 6-diene
3. 4-ethenylhepta-1, 6-diene
4. 4-ethenylhept-1, 4-diene

Q. Which one of the following is/are conjugated dienes ?
A.



B.



C.


D.

1. A
2. B
3. C
4. D

Q.

According to IUPAC nomenclature rules, the correct name of the compound is:

1. 5, 6-Diethyl-3-methyldecane

2. 2, 4, 5-Triethylnonane

3. 5, 6-Diethyl-8-methyldecane

4. None of the above

Q. Select the structure with correct numbering in the chain :

1. 
2. 
3. All of the above.
4. 

Q. The correct IUPAC name for given structure is

1. 3-Ethyl-4-methylcyclohexene
2. 5-Methyl-6-ethylcyclohexene
3. Ethylmethylcyclohexene
4. Cyclohexene-2-ethyl-3-methyl

Q. The correct structure of 2-Ethyl-3-methylhexa-1, 4-diene is:

1. 
2. 
3. 
4. 

Q. What is the correct IUPAC name of the compound shown below?

1. 3, 3-bis-(4-chlorocyclohexyl)-1, 4-pentadiyne
2. bis-(4-chlorocyclohexyl)bis-(ethynyl)methane
3. bis-(chlorocyclohexyl)pentadiyne
4. 3, 3-dichlorocyclohexyl-pent-1, 4-diyne

Q. CH3−CH2−CH=CH2
The IUPAC name of the following compound is .

1. Butane
2. But-2-ene
3. 1-Butene

Q.

The compound which has only primary and tertiary carbons is?

1. 2-methylbutane

2. 2, 3-dimethylbutane

3. 2-chloropropane

4. 2, 2- dimethylpropane

Q. Select the structure with correct numbering in the chain :

1. 
2. 
3. 
4. All of the above.

Q. $\begin{array}{cc}\text{Column - I}& \text{Column - II}\\ \text{(a) 3, 3, 4, 4-tetramethyl-1-pentyne}& \text{(p) Has only three collinear carbons}\\ \text{(b) 2-butyne}& \text{(q) Has four collinear carbons}\\ \text{(c) 1-butyne}& \text{(r) Substitution of H by Cl gives single product}\\ \text{(d) 2, 2, 5, 5-tetramethyl-3-hexyne}& \text{(s) Substitution of H by Cl gives three different}\\ & \text{product (excluding stereoisomers)}\end{array}$

1. $a\to p,s;b\to q,r;c\to p,s;d\to q,r$
2. $a\to p,r;b\to q,r;c\to p,s;d\to q,s$
3. $a\to q,s;b\to p,r;c\to s;d\to q,r$
4. $a\to q,s;b\to q,r;c\to p,s;d\to q,r$

Q. IUPAC name of the compound

1. 1-Cyclohexyl-3-methylpent-1-ene
2. 1-Cyclohexyl-3, 4-dimethylbut-1-ene
3. 3-Methyl-5-cyclohexylpent-1-ene
4. 1-Cyclohexyl-3-ethylbut-1-ene

Q. The correct structure of 3-Methylpenta-1, 3-diene is

1. $C{H}_2=CH(C{H}_2{)}_{2}C{H}_3$
2. $C{H}_2=CHCH\left(C{H}_3\right)C{H}_{2}C{H}_3$
3. $C{H}_{3}CH=C\left(C{H}_3\right)CH=C{H}_2$
4. $C{H}_3=C=C(C{H}_3{)}_2$

Q. The correct IUPAC name for given structure is

1. 3-Ethyl-4-methylcyclohexene
2. 5-Methyl-6-ethylcyclohexene
3. Ethylmethylcyclohexene
4. Cyclohexene-2-ethyl-3-methyl

Q. The correct structure of 2-Ethyl-3-methylhexa-1, 4-diene is:

1. 
2. 
3. 
4.