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Assertion: H (2) molecule is more stabl...

Assertion: `H _(2)` molecule is more stable than `He-H`molecule.
Reason: The antibonding electron in `He-H` molecule decreases the bond order and thereby stability

A

If both asssertion and reason are true and reason is the correct explanation of assertion

B

If both assertion and reason are true but reason is not the correct explanation of assertion

C

If assertion is true but reason is false

D

If both assertion and reason are false

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BRILLIANT PUBLICATION-CHEMICAL BONDING AND MOLECULAR STRUCTURE-QUESTION (LEVEL -ll)
  1. The correct order of increasing bond lengths of the following bonds is...

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  2. bond angle is maximum in?

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  3. The bond having highest bond energy is

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  4. Which of the following has the highest dipole moment ?

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  5. Which of the followng is a polar molecule

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  6. A diatomic molecule has dipole moment 1.2 D and its bond length is 1 A...

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  7. Which of the following is not true about resonance?

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  8. Which of the following canonical structures cannot represent resonance...

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  9. The species haing no p pi - p pi bond but has bond order equal to that...

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  10. Pick out the incorrect statemnet ?

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  11. Two pi and half sigma bonds are present in

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  12. In which of the following processes, the bond order has increased and ...

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  13. Assuming 2s - 2p mixing is not operative, the paramagnetic specles amo...

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  14. Which of the following statements is/are correct on the basis of hydro...

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  15. Which of the following statements is/are correct ?

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  16. Assertion: H (2) molecule is more stable than He-Hmolecule. Reason:...

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  17. Assertion: C Cl(4) molecule is not hydrolysed by water Reason Carbon...

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  18. Assertion : Statement -1 : The direction of dipolemoment in CO molecu...

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  19. Assertion : Both PCl(5) and BrF(5) molecules have identical shape. ...

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  20. Assertion: Density of ice is less than that of water. Reason: In ice...

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