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Which of the following has the highest e...

Which of the following has the highest extent of hydrogen bonding? A) NH3, B)H2O c)HF

A

`NH_(3)`

B

`H_(2)O`

C

HF

D

Same in all

Text Solution

Verified by Experts

The correct Answer is:
B
Among nitrogen, fluorine and oxygen, the increasing order of electronegativities are `N lt O lt F`. Hence, `HF gt H_(2),O gt NH_(3)`,. But, the actual order is `H_(2),O gtHF gt NH_(3)`,. Although fluorine is more elect than oxygen, the extent of hydrogen bonding is higher in water
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Knowledge Check

  • Which of the following has the highest extent of hydrogen bonding? A) NH, B)H,0

    A
    `NH_3`
    B
    `H_2O`
    C
    `HF`
    D
    Same in all

  • Which of the following molecules form no intermolecular hydrogen bonds? : CH_3CH_2OH , HF , CH_3COCH_3 , CH_3COOH

    A
    `CH_3CH_2OH`
    B
    HF
    C
    `CH_3COCH_3`
    D
    `CH_3COOH`

  • Which of the following species has equal number of sigma - and pi -bonds? ( C N ) 2 C H 2 ( C N ) 2 H C O 3- X e O 4

    A
    `(CN)_2`
    B
    `CH_2(CN)_2`
    C
    `HCO_3^(-)`
    D
    `XeO_4`

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    Which of the following molecules has the minimum bond energy of the indicated C-H bond?

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