Alkanes
CHXI13:HYDROCARBONS

317852 Identify ' \(\mathrm{B}\) ' in the following reaction.
\({{\text{C}}_2}{{\text{H}}_6}\xrightarrow[{{\text{AlB}}{{\text{r}}_3}}]{{{\text{B}}{{\text{r}}_2}}}\xrightarrow[\Delta ]{{{\text{C}}{{\text{H}}_3}{\text{COOAg}}}}{\text{B}}\)

1 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOCH}_{3}\)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COC}_{2} \mathrm{H}_{5}\)
4 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\)
CHXI13:HYDROCARBONS

317853 A hydrocarbon \(\mathrm{A}(\mathrm{VD}=36)\) forms only one monochloro substitution product. A will be :

1 Iso-pentane
2 Neo-pentane
3 Cyclohexane
4 Methyl-cyclohexane
CHXI13:HYDROCARBONS

317854 Assertion :
neo-Pentane forms only one monosubstituted compound.
Reason :
Neopentane is a flammable gas.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI13:HYDROCARBONS

317855 Arrange the correct sequence for mechanism of chlorination of methane
I. \(\mathrm{CH}_{4}+\mathrm{Cl}^{\cdot} \stackrel{\text { hv }}{\longrightarrow} \dot{\mathrm{C}} \mathrm{H}_{3}+\mathrm{H}-\mathrm{Cl}\)
II. \(\mathrm{Cl}-\mathrm{Cl} \stackrel{\text { hv }}{\longrightarrow} 2 \dot{\mathrm{C}} \mathrm{l}\)
III. \(\mathop {\text{C}}\limits^{\text{.}} {{\text{H}}_{\text{3}}}{\text{ + C}}{{\text{l}}_{\text{2}}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{ - Cl + C}}{{\text{l}}^{\text{.}}}\)
IV. \(\mathop {\text{C}}\limits^{\text{.}} {\text{1 + }}\mathop {\text{C}}\limits^{\text{.}} {\text{l }} \to {\text{Cl - Cl}}\)
\(\dot{\mathrm{C}} \mathrm{H}_{3}+\dot{\mathrm{C}} \mathrm{H}_{3} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
Choose the correct option.

1 II, I, III and IV
2 I, II , III and IV
3 IV, III, II and I
4 II, III, I and IV
CHXI13:HYDROCARBONS

317856 With which halogen the reactions of alkanes are explosive?

1 Fluorine
2 Chlorine
3 Bromine
4 Iodine
CHXI13:HYDROCARBONS

317852 Identify ' \(\mathrm{B}\) ' in the following reaction.
\({{\text{C}}_2}{{\text{H}}_6}\xrightarrow[{{\text{AlB}}{{\text{r}}_3}}]{{{\text{B}}{{\text{r}}_2}}}\xrightarrow[\Delta ]{{{\text{C}}{{\text{H}}_3}{\text{COOAg}}}}{\text{B}}\)

1 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOCH}_{3}\)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COC}_{2} \mathrm{H}_{5}\)
4 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\)
CHXI13:HYDROCARBONS

317853 A hydrocarbon \(\mathrm{A}(\mathrm{VD}=36)\) forms only one monochloro substitution product. A will be :

1 Iso-pentane
2 Neo-pentane
3 Cyclohexane
4 Methyl-cyclohexane
CHXI13:HYDROCARBONS

317854 Assertion :
neo-Pentane forms only one monosubstituted compound.
Reason :
Neopentane is a flammable gas.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI13:HYDROCARBONS

317855 Arrange the correct sequence for mechanism of chlorination of methane
I. \(\mathrm{CH}_{4}+\mathrm{Cl}^{\cdot} \stackrel{\text { hv }}{\longrightarrow} \dot{\mathrm{C}} \mathrm{H}_{3}+\mathrm{H}-\mathrm{Cl}\)
II. \(\mathrm{Cl}-\mathrm{Cl} \stackrel{\text { hv }}{\longrightarrow} 2 \dot{\mathrm{C}} \mathrm{l}\)
III. \(\mathop {\text{C}}\limits^{\text{.}} {{\text{H}}_{\text{3}}}{\text{ + C}}{{\text{l}}_{\text{2}}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{ - Cl + C}}{{\text{l}}^{\text{.}}}\)
IV. \(\mathop {\text{C}}\limits^{\text{.}} {\text{1 + }}\mathop {\text{C}}\limits^{\text{.}} {\text{l }} \to {\text{Cl - Cl}}\)
\(\dot{\mathrm{C}} \mathrm{H}_{3}+\dot{\mathrm{C}} \mathrm{H}_{3} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
Choose the correct option.

1 II, I, III and IV
2 I, II , III and IV
3 IV, III, II and I
4 II, III, I and IV
CHXI13:HYDROCARBONS

317856 With which halogen the reactions of alkanes are explosive?

1 Fluorine
2 Chlorine
3 Bromine
4 Iodine
CHXI13:HYDROCARBONS

317852 Identify ' \(\mathrm{B}\) ' in the following reaction.
\({{\text{C}}_2}{{\text{H}}_6}\xrightarrow[{{\text{AlB}}{{\text{r}}_3}}]{{{\text{B}}{{\text{r}}_2}}}\xrightarrow[\Delta ]{{{\text{C}}{{\text{H}}_3}{\text{COOAg}}}}{\text{B}}\)

1 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOCH}_{3}\)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COC}_{2} \mathrm{H}_{5}\)
4 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\)
CHXI13:HYDROCARBONS

317853 A hydrocarbon \(\mathrm{A}(\mathrm{VD}=36)\) forms only one monochloro substitution product. A will be :

1 Iso-pentane
2 Neo-pentane
3 Cyclohexane
4 Methyl-cyclohexane
CHXI13:HYDROCARBONS

317854 Assertion :
neo-Pentane forms only one monosubstituted compound.
Reason :
Neopentane is a flammable gas.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI13:HYDROCARBONS

317855 Arrange the correct sequence for mechanism of chlorination of methane
I. \(\mathrm{CH}_{4}+\mathrm{Cl}^{\cdot} \stackrel{\text { hv }}{\longrightarrow} \dot{\mathrm{C}} \mathrm{H}_{3}+\mathrm{H}-\mathrm{Cl}\)
II. \(\mathrm{Cl}-\mathrm{Cl} \stackrel{\text { hv }}{\longrightarrow} 2 \dot{\mathrm{C}} \mathrm{l}\)
III. \(\mathop {\text{C}}\limits^{\text{.}} {{\text{H}}_{\text{3}}}{\text{ + C}}{{\text{l}}_{\text{2}}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{ - Cl + C}}{{\text{l}}^{\text{.}}}\)
IV. \(\mathop {\text{C}}\limits^{\text{.}} {\text{1 + }}\mathop {\text{C}}\limits^{\text{.}} {\text{l }} \to {\text{Cl - Cl}}\)
\(\dot{\mathrm{C}} \mathrm{H}_{3}+\dot{\mathrm{C}} \mathrm{H}_{3} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
Choose the correct option.

1 II, I, III and IV
2 I, II , III and IV
3 IV, III, II and I
4 II, III, I and IV
CHXI13:HYDROCARBONS

317856 With which halogen the reactions of alkanes are explosive?

1 Fluorine
2 Chlorine
3 Bromine
4 Iodine
CHXI13:HYDROCARBONS

317852 Identify ' \(\mathrm{B}\) ' in the following reaction.
\({{\text{C}}_2}{{\text{H}}_6}\xrightarrow[{{\text{AlB}}{{\text{r}}_3}}]{{{\text{B}}{{\text{r}}_2}}}\xrightarrow[\Delta ]{{{\text{C}}{{\text{H}}_3}{\text{COOAg}}}}{\text{B}}\)

1 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOCH}_{3}\)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COC}_{2} \mathrm{H}_{5}\)
4 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\)
CHXI13:HYDROCARBONS

317853 A hydrocarbon \(\mathrm{A}(\mathrm{VD}=36)\) forms only one monochloro substitution product. A will be :

1 Iso-pentane
2 Neo-pentane
3 Cyclohexane
4 Methyl-cyclohexane
CHXI13:HYDROCARBONS

317854 Assertion :
neo-Pentane forms only one monosubstituted compound.
Reason :
Neopentane is a flammable gas.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI13:HYDROCARBONS

317855 Arrange the correct sequence for mechanism of chlorination of methane
I. \(\mathrm{CH}_{4}+\mathrm{Cl}^{\cdot} \stackrel{\text { hv }}{\longrightarrow} \dot{\mathrm{C}} \mathrm{H}_{3}+\mathrm{H}-\mathrm{Cl}\)
II. \(\mathrm{Cl}-\mathrm{Cl} \stackrel{\text { hv }}{\longrightarrow} 2 \dot{\mathrm{C}} \mathrm{l}\)
III. \(\mathop {\text{C}}\limits^{\text{.}} {{\text{H}}_{\text{3}}}{\text{ + C}}{{\text{l}}_{\text{2}}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{ - Cl + C}}{{\text{l}}^{\text{.}}}\)
IV. \(\mathop {\text{C}}\limits^{\text{.}} {\text{1 + }}\mathop {\text{C}}\limits^{\text{.}} {\text{l }} \to {\text{Cl - Cl}}\)
\(\dot{\mathrm{C}} \mathrm{H}_{3}+\dot{\mathrm{C}} \mathrm{H}_{3} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
Choose the correct option.

1 II, I, III and IV
2 I, II , III and IV
3 IV, III, II and I
4 II, III, I and IV
CHXI13:HYDROCARBONS

317856 With which halogen the reactions of alkanes are explosive?

1 Fluorine
2 Chlorine
3 Bromine
4 Iodine
CHXI13:HYDROCARBONS

317852 Identify ' \(\mathrm{B}\) ' in the following reaction.
\({{\text{C}}_2}{{\text{H}}_6}\xrightarrow[{{\text{AlB}}{{\text{r}}_3}}]{{{\text{B}}{{\text{r}}_2}}}\xrightarrow[\Delta ]{{{\text{C}}{{\text{H}}_3}{\text{COOAg}}}}{\text{B}}\)

1 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COOCH}_{3}\)
2 \(\mathrm{CH}_{3} \mathrm{COOC}_{2} \mathrm{H}_{5}\)
3 \(\mathrm{C}_{2} \mathrm{H}_{5} \mathrm{COC}_{2} \mathrm{H}_{5}\)
4 \(\mathrm{CH}_{3} \mathrm{COOCH}_{3}\)
CHXI13:HYDROCARBONS

317853 A hydrocarbon \(\mathrm{A}(\mathrm{VD}=36)\) forms only one monochloro substitution product. A will be :

1 Iso-pentane
2 Neo-pentane
3 Cyclohexane
4 Methyl-cyclohexane
CHXI13:HYDROCARBONS

317854 Assertion :
neo-Pentane forms only one monosubstituted compound.
Reason :
Neopentane is a flammable gas.

1 Both Assertion and Reason are correct and Reason is the correct explanation of the Assertion.
2 Both Assertion and Reason are correct but Reason is not the correct explanation of the Assertion.
3 Assertion is correct but Reason is incorrect.
4 Assertion is incorrect but Reason is correct.
CHXI13:HYDROCARBONS

317855 Arrange the correct sequence for mechanism of chlorination of methane
I. \(\mathrm{CH}_{4}+\mathrm{Cl}^{\cdot} \stackrel{\text { hv }}{\longrightarrow} \dot{\mathrm{C}} \mathrm{H}_{3}+\mathrm{H}-\mathrm{Cl}\)
II. \(\mathrm{Cl}-\mathrm{Cl} \stackrel{\text { hv }}{\longrightarrow} 2 \dot{\mathrm{C}} \mathrm{l}\)
III. \(\mathop {\text{C}}\limits^{\text{.}} {{\text{H}}_{\text{3}}}{\text{ + C}}{{\text{l}}_{\text{2}}} \to {\text{C}}{{\text{H}}_{\text{3}}}{\text{ - Cl + C}}{{\text{l}}^{\text{.}}}\)
IV. \(\mathop {\text{C}}\limits^{\text{.}} {\text{1 + }}\mathop {\text{C}}\limits^{\text{.}} {\text{l }} \to {\text{Cl - Cl}}\)
\(\dot{\mathrm{C}} \mathrm{H}_{3}+\dot{\mathrm{C}} \mathrm{H}_{3} \longrightarrow \mathrm{CH}_{3}-\mathrm{CH}_{3}\)
Choose the correct option.

1 II, I, III and IV
2 I, II , III and IV
3 IV, III, II and I
4 II, III, I and IV
CHXI13:HYDROCARBONS

317856 With which halogen the reactions of alkanes are explosive?

1 Fluorine
2 Chlorine
3 Bromine
4 Iodine