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Out of H2O and H2S, which one has higher...

Out of `H_2O` and `H_2S`, which one has higher bond angle and why ?

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Moving down the group the atomic size increases and electronegativity of central atom decreases. As a result, the electron density on a central atom decreases. Also, the `sp_3` character of a bond becomes less distinct. Thus `H_2O` has a greater bond angle than `H_2S`.
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Knowledge Check

  • Which has strongest H-bond ?

    A
    S - H ..... O
    B
    O - H ...... S
    C
    F - H ..... F
    D
    O - H ..... N

  • What is the C-O-H bond angle in phenol ?

    A
    `108.5^(@)`
    B
    `109^(@)`
    C
    `108^(@)`
    D
    `111.7^(@)`

  • Which one has strong H bonding from the following?

    A
    F - H .... F
    B
    O - H .... Br
    C
    O - H .... S
    D
    O - H ..... O

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