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The hydrides of the first elements in gr...

The hydrides of the first elements in groups 15-17, namely `NH_(3), H_(2)O` and HF respectively show abnormally high value for melting and boiling points. This is due to _________.

A

small size o N, O and F

B

the abitity to form extensive intermolecular H-bonding

C

the ability to form extensive intramolecular H-bonding

D

effective van der Waals interaction

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The correct Answer is:
B
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TARGET PUBLICATION-NATURE OF CHEMICAL BOND-Competitive Thinking
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  8. If bond order increase than .

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  10. The bond order in N(2) molecule is .

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  11. The bond order in N(2)^(+) ion is .

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  12. Which of the following is paramagnetic?

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  15. The boiling point of a compound is raised by .

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