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Sulphur melts to a mobile liquid at 119^...

Sulphur melts to a mobile liquid at `119^(@)C` but becomes Viscous above `160^(@)C`. It is due to

A

Molten sulphur exists as `S_(8)` at `119^(@)C`

B

Puckered rings are cleaved above `160^(@)C`

C

Open chains tangle together forming viscous sulphur

D

All are correct

Text Solution

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The correct Answer is:
C
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(a) Sulphur melts form a clear mobile liquid at 199^@ C but on further heating to 180^@ C , it becomes viscous. Why ? (b) SOCl_2 can act as a weak Lewis acid as well as a weak Lewis base. Explain.

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Knowledge Check

  • When ice melts to form liquid water at 0^(@) C, there is a contraction in volume . This is due to

    A
    the molecules contracting in size
    B
    a partial disruption of the hydrogen bonded network of ice on melting
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    the adsorption of heat during the melting point process
    D
    the dissolving in ait into the water during the melting process

  • When ice melts to form liquid water at 0^(@) C, there is a contraction in volume . This is due to

    A
    the molecules contracting in size
    B
    a partial disruption of the hydrogen bonded network of ice on melting
    C
    the adsorption of heat during the melting point process
    D
    the dissolving in ait into the water during the melting process

  • Mercury is the only metal which is liquid at 0^(@)C .this is due to

    A
    Very high ionisation energy and weak metallic bond
    B
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