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Statement 1:PDI(polydispersity index)of ...

Statement 1:`PDI`(polydispersity index)of natural polymer is unity,while that of syntheric polymer is greater than unity
Statement 2:Natural polymers are hemogeneous.

A

Statement `1` is true ,statement `2`is true,statement`2`is the correct explanation of statement`1`

B

Statement `1` is true ,statement `2`is true,statement`2`is not the correct explanation of statement`1`

C

Statement `1` is true ,statement `2`is false

D

Statement `1` is false,statement `2`is true

Text Solution

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The correct Answer is:
A
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Knowledge Check

  • The poly dispersity index (PDI) is for - natural polymers

    A
    unit
    B
    higher than unity
    C
    smaller than unity
    D
    higher of smaller than unity depending the nature of monomer

  • For natural polymers PDI is generally

    A
    0
    B
    1
    C
    100
    D
    1000

  • Natural rubber is polymer is

    A
    `CH_2=CH-Cl`
    B
    `cis CH_2=overset(CH_3)overset(|)C-CH=CH_2`
    C
    `"trans" CH_2=overset(CH_3)overset(|)C-CH=CH_2`
    D
    `"cis" CH_2=overset(CH_3)overset(|)C-overset(CH_3)overset(|)C=CH_2`

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