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p -Block elements - ll — Chemistry STD 12 Science — Question

CBSE BoardEnglish MediumSTD 12 ScienceChemistryp -Block elements - ll1 Mark
MCQ
At room temperature ${H_2}O$ is a liquid while ${H_2}S$ is a gas. The reason is
  • A
    Electronegativity of $O$ is greater than $S$
  • B
    Difference in the bond angles of both the molecules
  • ✓
    Association takes place in ${H_2}O$ due to $H$ - bonding while no $H$ - bonding in ${H_2}S$
  • D
    $O$ and $S$ belong to different periods
✓

Answer

Correct option: C.
Association takes place in ${H_2}O$ due to $H$ - bonding while no $H$ - bonding in ${H_2}S$
c
(c) ${H_2}O$contain hydrogen bond while no hydrogen bonding is present in ${H_2}S$.

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