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The boiling points at atmospheric pressu...

The boiling points at atmospheric pressure of `HF, H_(2)S, NH_(3)` can be arranged in the following order :

A

`HF gt NH_(3) gt H_(2)S`

B

`HF gt H_(2)S gt NH_(3)`

C

`HF lt H_(2)S lt NH_(3)`

D

`HF lt NH_(3) lt H_(2)S`

Text Solution

Verified by Experts

The correct Answer is:
A
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Knowledge Check

  • Hydrogen bonds are formed in many compounds e.g. H_(2)O , HF, NH_(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
    `HF gt H_(2) O gt NH_(3)`
    B
    `H_(2) O gt HF gt NH_(3)`
    C
    `NH_(3) gt HF gt H_(2)O`
    D
    `NH_(3) gt H_(2)O gt HF`

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