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At room temperature F2 and Cl2 are gases...

At room temperature `F_2` and `Cl_2` are gases `Br_2` is a liquid and `I_2` is solid. This is because

A

Dipole-induced dipole interaction increases with molecular size

B

Dipole-dipole interactions increases with molecular size

C

Dispersion (London) interaction increases with molecular size

D

Dispersion ( London) interactions decreases with molecular size and polarity increases with molecular size

Text Solution

Verified by Experts

The correct Answer is:
C
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Knowledge Check

  • At room temperature, CO_(2) is a gas while SiO_(2) is a solid because

    A
    `CO_(2)` is nonpolar but `SiO_(2)` is polar
    B
    `SiO_(2)` has higher molecular mass than `CO_(2)`
    C
    `CO_(2)` has covalent bonds but `SiO_(2)` has ionic bonds between the `Si` and `O` atoms
    D
    None of these.

  • At room temperature, HCl is a gas while HF is low boiling liquid. This is because

    A
    H-F bond is covalent
    B
    H-F bond is ionic
    C
    HF has metallic bond
    D
    HF has hydrogen bond

  • At low temperature phenol reacts with Br_2 in CS_2 to form

    A
    m-bromophenol
    B
    o-and p-bromophenol
    C
    p-bromophenol
    D
    2, 4, 6-tribromophenol

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    Statement-I : The pressure inside the LPG cylinder remains constant even when it is in use at room temperature Because Statement -2 : Vpour pressure of any liquid is independent of its amount, it depends only on temperature

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