03. Hybridisation
Hydrocarbons

230687 What is the hybridisation state(s) of the atoms in $\mathrm{X}$ formed in the following reaction?
\[
\mathbf{C}_2 \mathbf{H}_5 \mathrm{OH} \xrightarrow[260^{\circ} \mathrm{C}]{\mathrm{Al}_2 \mathrm{O}_3} \mathbf{X}
\]

(vapour)

1 $\mathrm{sp}^3$ only
2 $\mathrm{sp}^2$ and $s \mathrm{p}^3$
3 $\mathrm{sp}^2$ only
4 sp only
Hydrocarbons

230692 Which of the following structure contains sphydridized carbon atom/s?
original image

1 I, II and III
2 I, III and IV
3 II, III and IV
4 I, II and IV
Hydrocarbons

230699 In the following molecules,
original image
hybridization of carbon $a, b$ and $c$ respectively are

1 $\mathrm{sp}^3, \mathrm{sp}, \mathrm{sp}$
2 $s \mathrm{p}^3, s \mathrm{p}^2, \mathrm{sp}$
3 $\mathrm{sp}^3, \mathrm{sp}^2, \mathrm{sp}^2$
4 $\mathrm{sp}^2, \mathrm{sp}, \mathrm{sp}^2$
Hydrocarbons

230713 The total number of $\pi$-bond electrons in the following structure is
original image

1 12
2 16
3 4
4 8
Hydrocarbons

230687 What is the hybridisation state(s) of the atoms in $\mathrm{X}$ formed in the following reaction?
\[
\mathbf{C}_2 \mathbf{H}_5 \mathrm{OH} \xrightarrow[260^{\circ} \mathrm{C}]{\mathrm{Al}_2 \mathrm{O}_3} \mathbf{X}
\]

(vapour)

1 $\mathrm{sp}^3$ only
2 $\mathrm{sp}^2$ and $s \mathrm{p}^3$
3 $\mathrm{sp}^2$ only
4 sp only
Hydrocarbons

230692 Which of the following structure contains sphydridized carbon atom/s?
original image

1 I, II and III
2 I, III and IV
3 II, III and IV
4 I, II and IV
Hydrocarbons

230699 In the following molecules,
original image
hybridization of carbon $a, b$ and $c$ respectively are

1 $\mathrm{sp}^3, \mathrm{sp}, \mathrm{sp}$
2 $s \mathrm{p}^3, s \mathrm{p}^2, \mathrm{sp}$
3 $\mathrm{sp}^3, \mathrm{sp}^2, \mathrm{sp}^2$
4 $\mathrm{sp}^2, \mathrm{sp}, \mathrm{sp}^2$
Hydrocarbons

230713 The total number of $\pi$-bond electrons in the following structure is
original image

1 12
2 16
3 4
4 8
Hydrocarbons

230687 What is the hybridisation state(s) of the atoms in $\mathrm{X}$ formed in the following reaction?
\[
\mathbf{C}_2 \mathbf{H}_5 \mathrm{OH} \xrightarrow[260^{\circ} \mathrm{C}]{\mathrm{Al}_2 \mathrm{O}_3} \mathbf{X}
\]

(vapour)

1 $\mathrm{sp}^3$ only
2 $\mathrm{sp}^2$ and $s \mathrm{p}^3$
3 $\mathrm{sp}^2$ only
4 sp only
Hydrocarbons

230692 Which of the following structure contains sphydridized carbon atom/s?
original image

1 I, II and III
2 I, III and IV
3 II, III and IV
4 I, II and IV
Hydrocarbons

230699 In the following molecules,
original image
hybridization of carbon $a, b$ and $c$ respectively are

1 $\mathrm{sp}^3, \mathrm{sp}, \mathrm{sp}$
2 $s \mathrm{p}^3, s \mathrm{p}^2, \mathrm{sp}$
3 $\mathrm{sp}^3, \mathrm{sp}^2, \mathrm{sp}^2$
4 $\mathrm{sp}^2, \mathrm{sp}, \mathrm{sp}^2$
Hydrocarbons

230713 The total number of $\pi$-bond electrons in the following structure is
original image

1 12
2 16
3 4
4 8
Hydrocarbons

230687 What is the hybridisation state(s) of the atoms in $\mathrm{X}$ formed in the following reaction?
\[
\mathbf{C}_2 \mathbf{H}_5 \mathrm{OH} \xrightarrow[260^{\circ} \mathrm{C}]{\mathrm{Al}_2 \mathrm{O}_3} \mathbf{X}
\]

(vapour)

1 $\mathrm{sp}^3$ only
2 $\mathrm{sp}^2$ and $s \mathrm{p}^3$
3 $\mathrm{sp}^2$ only
4 sp only
Hydrocarbons

230692 Which of the following structure contains sphydridized carbon atom/s?
original image

1 I, II and III
2 I, III and IV
3 II, III and IV
4 I, II and IV
Hydrocarbons

230699 In the following molecules,
original image
hybridization of carbon $a, b$ and $c$ respectively are

1 $\mathrm{sp}^3, \mathrm{sp}, \mathrm{sp}$
2 $s \mathrm{p}^3, s \mathrm{p}^2, \mathrm{sp}$
3 $\mathrm{sp}^3, \mathrm{sp}^2, \mathrm{sp}^2$
4 $\mathrm{sp}^2, \mathrm{sp}, \mathrm{sp}^2$
Hydrocarbons

230713 The total number of $\pi$-bond electrons in the following structure is
original image

1 12
2 16
3 4
4 8