01. Resonance
GENERAL ORGANIC CHEMISTRY

231677 Which compound does not show tautomerism?

1 $\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COCH}_{3}$
2 $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{NaOH}$
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231680 The correct order of increasing $\mathrm{C}-\mathrm{O}$ bond length $\mathrm{CO}, \mathrm{CO}_{3}^{2-}, \mathrm{CO}_{2}$ is:

1 $\mathrm{CO}<\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}$
2 $\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}$
3 $\mathrm{CO}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{2}$
4 $\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{3}<\mathrm{CO}$
GENERAL ORGANIC CHEMISTRY

231681 The most stable carbanion among the following is:

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231682 Most stable carbonations among the following is:

1 original image
2 original image
3 original image
4 \({ }^{+} \mathrm{CH}_3\)
GENERAL ORGANIC CHEMISTRY

231677 Which compound does not show tautomerism?

1 $\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COCH}_{3}$
2 $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{NaOH}$
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231680 The correct order of increasing $\mathrm{C}-\mathrm{O}$ bond length $\mathrm{CO}, \mathrm{CO}_{3}^{2-}, \mathrm{CO}_{2}$ is:

1 $\mathrm{CO}<\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}$
2 $\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}$
3 $\mathrm{CO}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{2}$
4 $\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{3}<\mathrm{CO}$
GENERAL ORGANIC CHEMISTRY

231681 The most stable carbanion among the following is:

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231682 Most stable carbonations among the following is:

1 original image
2 original image
3 original image
4 \({ }^{+} \mathrm{CH}_3\)
GENERAL ORGANIC CHEMISTRY

231677 Which compound does not show tautomerism?

1 $\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COCH}_{3}$
2 $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{NaOH}$
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231680 The correct order of increasing $\mathrm{C}-\mathrm{O}$ bond length $\mathrm{CO}, \mathrm{CO}_{3}^{2-}, \mathrm{CO}_{2}$ is:

1 $\mathrm{CO}<\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}$
2 $\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}$
3 $\mathrm{CO}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{2}$
4 $\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{3}<\mathrm{CO}$
GENERAL ORGANIC CHEMISTRY

231681 The most stable carbanion among the following is:

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231682 Most stable carbonations among the following is:

1 original image
2 original image
3 original image
4 \({ }^{+} \mathrm{CH}_3\)
GENERAL ORGANIC CHEMISTRY

231677 Which compound does not show tautomerism?

1 $\mathrm{CH}_{3}-\mathrm{COCH}_{2} \mathrm{COCH}_{3}$
2 $\mathrm{C}_{6} \mathrm{H}_{5}-\mathrm{CH}=\mathrm{NaOH}$
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231680 The correct order of increasing $\mathrm{C}-\mathrm{O}$ bond length $\mathrm{CO}, \mathrm{CO}_{3}^{2-}, \mathrm{CO}_{2}$ is:

1 $\mathrm{CO}<\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}$
2 $\mathrm{CO}_{2}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}$
3 $\mathrm{CO}<\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{2}$
4 $\mathrm{CO}_{3}^{2-}<\mathrm{CO}_{3}<\mathrm{CO}$
GENERAL ORGANIC CHEMISTRY

231681 The most stable carbanion among the following is:

1 original image
2 original image
3 original image
4 original image
GENERAL ORGANIC CHEMISTRY

231682 Most stable carbonations among the following is:

1 original image
2 original image
3 original image
4 \({ }^{+} \mathrm{CH}_3\)