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Isotactic polypropylene polymer is one i...

Isotactic polypropylene polymer is one in which:

A

All methyl groups are on one side of the extended chian.it is a highly crystalline,has high melting point,and forms strong fibres.

B

The methyl grouops present alternate regularly from one side to the other.

C

The methyl groups are distributed at ramdom,it is a soft,elastic,and rubbery material

D

None of these

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • Polypropylene is not used in :

    A
    clothes
    B
    ropes
    C
    heat resistant plastics
    D
    parachute ropes

  • Polypropylene is obtained by polymerisation of:

    A
    `CH -= CH`
    B
    `CH_(2) =CH_(2)`
    C
    `CH_(3)-CH=CH_(2)`
    D
    `CH_(3)-C -=CH`

  • PP (Polypropylene) is used for making

    A
    disposable cups
    B
    liquid detergents
    C
    grocery bags
    D
    making electric switches

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