Bond Parameters
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313456 Assertion :
\(\mathrm{H}-\mathrm{S}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{~S}\) is closer to \(90^{\circ}\) but \(\mathrm{H}-\mathrm{O}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{O}\) is \(104.5^{\circ}\).
Reason :
Lone pair - lone pair repulsion is stronger in \(\mathrm{H}_{2} \mathrm{~S}\) than in \(\mathrm{H}_{2} \mathrm{O}\).

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 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313457 As the s - character in a hybrid orbital increases, the bond angle

1 Increases
2 Decreases
3 Does not change
4 Becomes zero
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313458 In which of the following bond angle is maximum

1 \(\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{4}^{+}\)
3 \(\mathrm{PCl}_{3}\)
4 \(\mathrm{SCl}_{2}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313459 Statement A :
F-F bond has low bond dissociation energy.
Statement B :
The fluorine has least reactivity.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313456 Assertion :
\(\mathrm{H}-\mathrm{S}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{~S}\) is closer to \(90^{\circ}\) but \(\mathrm{H}-\mathrm{O}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{O}\) is \(104.5^{\circ}\).
Reason :
Lone pair - lone pair repulsion is stronger in \(\mathrm{H}_{2} \mathrm{~S}\) than in \(\mathrm{H}_{2} \mathrm{O}\).

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 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313457 As the s - character in a hybrid orbital increases, the bond angle

1 Increases
2 Decreases
3 Does not change
4 Becomes zero
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313458 In which of the following bond angle is maximum

1 \(\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{4}^{+}\)
3 \(\mathrm{PCl}_{3}\)
4 \(\mathrm{SCl}_{2}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313459 Statement A :
F-F bond has low bond dissociation energy.
Statement B :
The fluorine has least reactivity.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313456 Assertion :
\(\mathrm{H}-\mathrm{S}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{~S}\) is closer to \(90^{\circ}\) but \(\mathrm{H}-\mathrm{O}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{O}\) is \(104.5^{\circ}\).
Reason :
Lone pair - lone pair repulsion is stronger in \(\mathrm{H}_{2} \mathrm{~S}\) than in \(\mathrm{H}_{2} \mathrm{O}\).

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 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313457 As the s - character in a hybrid orbital increases, the bond angle

1 Increases
2 Decreases
3 Does not change
4 Becomes zero
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313458 In which of the following bond angle is maximum

1 \(\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{4}^{+}\)
3 \(\mathrm{PCl}_{3}\)
4 \(\mathrm{SCl}_{2}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313459 Statement A :
F-F bond has low bond dissociation energy.
Statement B :
The fluorine has least reactivity.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313456 Assertion :
\(\mathrm{H}-\mathrm{S}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{~S}\) is closer to \(90^{\circ}\) but \(\mathrm{H}-\mathrm{O}-\mathrm{H}\) bond angle in \(\mathrm{H}_{2} \mathrm{O}\) is \(104.5^{\circ}\).
Reason :
Lone pair - lone pair repulsion is stronger in \(\mathrm{H}_{2} \mathrm{~S}\) than in \(\mathrm{H}_{2} \mathrm{O}\).

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 Both Assertion and Reason are incorrect
AIIMS - 2007
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313457 As the s - character in a hybrid orbital increases, the bond angle

1 Increases
2 Decreases
3 Does not change
4 Becomes zero
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313458 In which of the following bond angle is maximum

1 \(\mathrm{NH}_{3}\)
2 \(\mathrm{NH}_{4}^{+}\)
3 \(\mathrm{PCl}_{3}\)
4 \(\mathrm{SCl}_{2}\)
CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313459 Statement A :
F-F bond has low bond dissociation energy.
Statement B :
The fluorine has least reactivity.

1 Statement A is correct but Statement B is incorrect
2 Statement A is incorrect but Statement B is correct
3 Both statements are correct
4 Both statements are incorrect
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