Homologous Series

Q.

. Which of the following belong to the same homologous series: ${\mathrm{C}}_3{\mathrm{H}}_4$, ${\mathrm{C}}_3{\mathrm{H}}_6$, ${\mathrm{C}}_4{\mathrm{H}}_8$, ${\mathrm{C}}_4{\mathrm{H}}_6$?

Q. Which of the following statements is/are correct?

1. $C_n{H}_{2n}$ is the general formula of alkenes.
2. In homologous series, all members have same physical properties.
3. IUPAC means International Union of Physics and Chemistry.
4. Butane contains two primary and secondary carbon atoms.

Q. What is name of group by which successive member in the homologues series of alkane differ from each other ?

1. Methylene
2. Alcohol
3. Ketone
4. Amine

Q.

Which of the following is not a member of a homologous series?

1. $C{H}_3-C{H}_3$

2. $C{H}_3-C{H}_2-C{H}_3$

3. $C{H}_3-C{H}_2-C{H}_2-C{H}_3$

4. $C{H}_3-C{H}_2-C{H}_2-\stackrel{Cl}{\stackrel{|}{C}{H}_2}$

Q.

Which of the following is not a member of a homologous series?

1. $C{H}_3-C{H}_3$

2. $C{H}_3-C{H}_2-C{H}_3$

3. $C{H}_3-C{H}_2-C{H}_2-C{H}_3$

4. $C{H}_3-C{H}_2-C{H}_2-\stackrel{Cl}{\stackrel{|}{C}{H}_2}$