231711 Identify the correct statement.

231714 Relative stabilities of the following carbocations will be in the order
\[\begin{align}
& \overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{3}}\,\,\,\,\,\text{C}{{\text{H}}_{3}}\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\,\,\,\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\text{OC}{{\text{H}}_{3}} \\
& (A)\,\,\,\,\,\,\,\,\,\,\,\,\,\,(B)\,\,\,\,\,\,\,\,\,\,\,(C) \\
\end{align}\]

231719 Which one of the following reactions proceeds through free radical chain mechanism?

1 Addition of $\mathrm{HBr}$ on ethane $\rightarrow$ ionic addition reaction
$\mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{HBr} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$

2 Halogenation of benzene in presence of $\mathrm{FeBr}_{3} \rightarrow$ Electrophilic substitution reaction

3 Photochemical chlorination of methane $\rightarrow$ free radical substitution reaction.

4 Hydrolysis with tert-butyl chloride $\rightarrow$ Nucleophic with aqueous $\mathrm{KOH} \quad$ substitution reaction

5 Addition of $\mathrm{NaHSO}_{3}$ on acetone $\rightarrow$ Nucleophic addition reaction
Hence, on the basis of above explanation option (c) is correct

231721 The stablest radical among the following is

231722 The least stable free radical is

231711 Identify the correct statement.

231714 Relative stabilities of the following carbocations will be in the order
\[\begin{align}
& \overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{3}}\,\,\,\,\,\text{C}{{\text{H}}_{3}}\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\,\,\,\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\text{OC}{{\text{H}}_{3}} \\
& (A)\,\,\,\,\,\,\,\,\,\,\,\,\,\,(B)\,\,\,\,\,\,\,\,\,\,\,(C) \\
\end{align}\]

231719 Which one of the following reactions proceeds through free radical chain mechanism?

1 Addition of $\mathrm{HBr}$ on ethane $\rightarrow$ ionic addition reaction
$\mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{HBr} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$

2 Halogenation of benzene in presence of $\mathrm{FeBr}_{3} \rightarrow$ Electrophilic substitution reaction

3 Photochemical chlorination of methane $\rightarrow$ free radical substitution reaction.

4 Hydrolysis with tert-butyl chloride $\rightarrow$ Nucleophic with aqueous $\mathrm{KOH} \quad$ substitution reaction

5 Addition of $\mathrm{NaHSO}_{3}$ on acetone $\rightarrow$ Nucleophic addition reaction
Hence, on the basis of above explanation option (c) is correct

231721 The stablest radical among the following is

231722 The least stable free radical is

231711 Identify the correct statement.

231714 Relative stabilities of the following carbocations will be in the order
\[\begin{align}
& \overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{3}}\,\,\,\,\,\text{C}{{\text{H}}_{3}}\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\,\,\,\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\text{OC}{{\text{H}}_{3}} \\
& (A)\,\,\,\,\,\,\,\,\,\,\,\,\,\,(B)\,\,\,\,\,\,\,\,\,\,\,(C) \\
\end{align}\]

231719 Which one of the following reactions proceeds through free radical chain mechanism?

1 Addition of $\mathrm{HBr}$ on ethane $\rightarrow$ ionic addition reaction
$\mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{HBr} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$

2 Halogenation of benzene in presence of $\mathrm{FeBr}_{3} \rightarrow$ Electrophilic substitution reaction

3 Photochemical chlorination of methane $\rightarrow$ free radical substitution reaction.

4 Hydrolysis with tert-butyl chloride $\rightarrow$ Nucleophic with aqueous $\mathrm{KOH} \quad$ substitution reaction

5 Addition of $\mathrm{NaHSO}_{3}$ on acetone $\rightarrow$ Nucleophic addition reaction
Hence, on the basis of above explanation option (c) is correct

231721 The stablest radical among the following is

231722 The least stable free radical is

231711 Identify the correct statement.

231714 Relative stabilities of the following carbocations will be in the order
\[\begin{align}
& \overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{3}}\,\,\,\,\,\text{C}{{\text{H}}_{3}}\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\,\,\,\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\text{OC}{{\text{H}}_{3}} \\
& (A)\,\,\,\,\,\,\,\,\,\,\,\,\,\,(B)\,\,\,\,\,\,\,\,\,\,\,(C) \\
\end{align}\]

231719 Which one of the following reactions proceeds through free radical chain mechanism?

1 Addition of $\mathrm{HBr}$ on ethane $\rightarrow$ ionic addition reaction
$\mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{HBr} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$

2 Halogenation of benzene in presence of $\mathrm{FeBr}_{3} \rightarrow$ Electrophilic substitution reaction

3 Photochemical chlorination of methane $\rightarrow$ free radical substitution reaction.

4 Hydrolysis with tert-butyl chloride $\rightarrow$ Nucleophic with aqueous $\mathrm{KOH} \quad$ substitution reaction

5 Addition of $\mathrm{NaHSO}_{3}$ on acetone $\rightarrow$ Nucleophic addition reaction
Hence, on the basis of above explanation option (c) is correct

231721 The stablest radical among the following is

231722 The least stable free radical is

231711 Identify the correct statement.

231714 Relative stabilities of the following carbocations will be in the order
\[\begin{align}
& \overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{3}}\,\,\,\,\,\text{C}{{\text{H}}_{3}}\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\,\,\,\,\overset{\oplus }{\mathop{\text{C}}}\,{{\text{H}}_{2}}\text{OC}{{\text{H}}_{3}} \\
& (A)\,\,\,\,\,\,\,\,\,\,\,\,\,\,(B)\,\,\,\,\,\,\,\,\,\,\,(C) \\
\end{align}\]

231719 Which one of the following reactions proceeds through free radical chain mechanism?

1 Addition of $\mathrm{HBr}$ on ethane $\rightarrow$ ionic addition reaction
$\mathrm{CH}_{2}=\mathrm{CH}_{2}+\mathrm{HBr} \rightarrow \mathrm{CH}_{3}-\mathrm{CH}_{2}-\mathrm{Br}$

2 Halogenation of benzene in presence of $\mathrm{FeBr}_{3} \rightarrow$ Electrophilic substitution reaction

3 Photochemical chlorination of methane $\rightarrow$ free radical substitution reaction.

4 Hydrolysis with tert-butyl chloride $\rightarrow$ Nucleophic with aqueous $\mathrm{KOH} \quad$ substitution reaction

5 Addition of $\mathrm{NaHSO}_{3}$ on acetone $\rightarrow$ Nucleophic addition reaction
Hence, on the basis of above explanation option (c) is correct

231721 The stablest radical among the following is

231722 The least stable free radical is