What is the reason of the order of Melting point and boiling point in HF,H2O ,NH3

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The order of boiling point of $N H_{3}, H_{2} O, H F a n d P H_{3}$ is

Question 04

Hydrogen bonds are formed in many compounds e.g., $H_{2} O, H F, N H_{3}$ . The boiling point of such compounds depends to a extent on the strength of hydrogen bond and the number of hydrogen bonds. The correct decreasing order of the boiling points above compounds is

(a) $H F > H_{2} O > N H_{3}$

(b) $H_{2} O > H F > N H_{3}$

(d) $N H_{3} > H_{2} O > H F$

Q. The hydrides of the first elements in groups 15 - 17, namely

N H_{3}, H_{2} O

and

H F

respectively, show abnormally high values for melting and boiling points. This is due to:

Q. The hydrides of the first element in group 15-17, namely

N H_{3}, H_{2} O

and

H F

, respectively show abnormally high values for melting and boiling points. This is due to:

The boiling point of NH3 H2O and HF are exceptionally higher explain

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