Aromatic Hydrocarbon
CHXI13:HYDROCARBONS

318288 Read the Assertion and Reason carefully and mark the correct option.
Assertion :
Benzene is more stable than hypothetical cyclohexatriene.
Reason :
The delocalized \(\pi\) electron cloud is attracted more strongly by nuclei of carbon atoms.

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

318289 Which reaction confirms the presence of three double bonds in benzene?

1 Oxidation reaction
2 Hydrolysis reaction
3 Triozonolysis reaction
4 Addition reaction
CHXI13:HYDROCARBONS

318290 Which of the following statements are correct regarding structure of benzene?
I. All the six carbons in benzene are \(\mathrm{sp}^{2}-\) hybridised
II. \(\mathrm{sp}^{2}\)-hybridised orbital of carbon combines with another \(\mathrm{sp}^{2}\)-hybridised orbital of carbon to give \(\mathrm{C}\) - \(\mathrm{C}\) sigma bonds.
III. C-H \(\sigma-\) bond is obtained by lateral overlapping of \(\mathrm{sp}^{2}\)-hybridised orbital of \(\mathrm{C}\) and 1s-orbital of H-atom.
Choose the correct statements.

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

318291 The carbon-carbon bond length in benzene is

1 same as in \(\mathrm{C}_{2} \mathrm{H}_{4}\)
2 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) in \(\mathrm{C}_{2} \mathrm{H}_{2}\)
3 in between \(\mathrm{C}_{2} \mathrm{H}_{4}\) and \(\mathrm{C}_{2} \mathrm{H}_{2}\)
4 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) and \(\mathrm{C}_{2} \mathrm{H}_{4}\)
CHXI13:HYDROCARBONS

318288 Read the Assertion and Reason carefully and mark the correct option.
Assertion :
Benzene is more stable than hypothetical cyclohexatriene.
Reason :
The delocalized \(\pi\) electron cloud is attracted more strongly by nuclei of carbon atoms.

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

318289 Which reaction confirms the presence of three double bonds in benzene?

1 Oxidation reaction
2 Hydrolysis reaction
3 Triozonolysis reaction
4 Addition reaction
CHXI13:HYDROCARBONS

318290 Which of the following statements are correct regarding structure of benzene?
I. All the six carbons in benzene are \(\mathrm{sp}^{2}-\) hybridised
II. \(\mathrm{sp}^{2}\)-hybridised orbital of carbon combines with another \(\mathrm{sp}^{2}\)-hybridised orbital of carbon to give \(\mathrm{C}\) - \(\mathrm{C}\) sigma bonds.
III. C-H \(\sigma-\) bond is obtained by lateral overlapping of \(\mathrm{sp}^{2}\)-hybridised orbital of \(\mathrm{C}\) and 1s-orbital of H-atom.
Choose the correct statements.

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

318291 The carbon-carbon bond length in benzene is

1 same as in \(\mathrm{C}_{2} \mathrm{H}_{4}\)
2 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) in \(\mathrm{C}_{2} \mathrm{H}_{2}\)
3 in between \(\mathrm{C}_{2} \mathrm{H}_{4}\) and \(\mathrm{C}_{2} \mathrm{H}_{2}\)
4 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) and \(\mathrm{C}_{2} \mathrm{H}_{4}\)
CHXI13:HYDROCARBONS

318288 Read the Assertion and Reason carefully and mark the correct option.
Assertion :
Benzene is more stable than hypothetical cyclohexatriene.
Reason :
The delocalized \(\pi\) electron cloud is attracted more strongly by nuclei of carbon atoms.

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

318289 Which reaction confirms the presence of three double bonds in benzene?

1 Oxidation reaction
2 Hydrolysis reaction
3 Triozonolysis reaction
4 Addition reaction
CHXI13:HYDROCARBONS

318290 Which of the following statements are correct regarding structure of benzene?
I. All the six carbons in benzene are \(\mathrm{sp}^{2}-\) hybridised
II. \(\mathrm{sp}^{2}\)-hybridised orbital of carbon combines with another \(\mathrm{sp}^{2}\)-hybridised orbital of carbon to give \(\mathrm{C}\) - \(\mathrm{C}\) sigma bonds.
III. C-H \(\sigma-\) bond is obtained by lateral overlapping of \(\mathrm{sp}^{2}\)-hybridised orbital of \(\mathrm{C}\) and 1s-orbital of H-atom.
Choose the correct statements.

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

318291 The carbon-carbon bond length in benzene is

1 same as in \(\mathrm{C}_{2} \mathrm{H}_{4}\)
2 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) in \(\mathrm{C}_{2} \mathrm{H}_{2}\)
3 in between \(\mathrm{C}_{2} \mathrm{H}_{4}\) and \(\mathrm{C}_{2} \mathrm{H}_{2}\)
4 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) and \(\mathrm{C}_{2} \mathrm{H}_{4}\)
CHXI13:HYDROCARBONS

318288 Read the Assertion and Reason carefully and mark the correct option.
Assertion :
Benzene is more stable than hypothetical cyclohexatriene.
Reason :
The delocalized \(\pi\) electron cloud is attracted more strongly by nuclei of carbon atoms.

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

318289 Which reaction confirms the presence of three double bonds in benzene?

1 Oxidation reaction
2 Hydrolysis reaction
3 Triozonolysis reaction
4 Addition reaction
CHXI13:HYDROCARBONS

318290 Which of the following statements are correct regarding structure of benzene?
I. All the six carbons in benzene are \(\mathrm{sp}^{2}-\) hybridised
II. \(\mathrm{sp}^{2}\)-hybridised orbital of carbon combines with another \(\mathrm{sp}^{2}\)-hybridised orbital of carbon to give \(\mathrm{C}\) - \(\mathrm{C}\) sigma bonds.
III. C-H \(\sigma-\) bond is obtained by lateral overlapping of \(\mathrm{sp}^{2}\)-hybridised orbital of \(\mathrm{C}\) and 1s-orbital of H-atom.
Choose the correct statements.

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

318291 The carbon-carbon bond length in benzene is

1 same as in \(\mathrm{C}_{2} \mathrm{H}_{4}\)
2 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) in \(\mathrm{C}_{2} \mathrm{H}_{2}\)
3 in between \(\mathrm{C}_{2} \mathrm{H}_{4}\) and \(\mathrm{C}_{2} \mathrm{H}_{2}\)
4 in between \(\mathrm{C}_{2} \mathrm{H}_{6}\) and \(\mathrm{C}_{2} \mathrm{H}_{4}\)