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(A) Ethylene can undergo polymerisation....

(A) Ethylene can undergo polymerisation.
(R) Ethylene contain a weak Pi bond.

A

Both (A) and (R) are true and (R) is the correct explanation of (A)

B

Both (A) and (R) are true and (R) is not the correct explanation of (A)

C

(A) is true but (R) is false

D

Both (A) and (R) are false

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-POLYMERS-OBJECTIVE EXERCISE - 4
  1. (A) Bakelite is a cross linked polymer. (R) Bakelite is formed from...

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  2. (A) Benzene does not undergo polymerisation. (R) Benzene loses aroma...

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  3. (A) Ethylene can undergo polymerisation. (R) Ethylene contain a weak...

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  4. (A) P.V.C is a homopolymer. (R) P.V.C is obtained by the polymerizat...

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  5. (A) Nylon 6,6 is a condensation co-polymer. (R) To prepare nylon-6, ...

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  6. (A) Nylon-6 is a condensation polymer. (R)Nylon-6 is obtained from c...

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  7. (A) Buna-N is an elastomer. (R) Buna-N is rubber like solid with ela...

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  8. (A) Nylon-6, 6 is a fibre. (R) Intermolecular attraction in Nylon 6,...

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  9. (A) Poly styrene is a Thermoplastic polymer. (R) Polystyrene softens...

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  10. (A) Bakelite is a Thermoplastic polymer. (R) Bakelite is a linear po...

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  11. (A) Urea formaldehyde resin can be reused again even on strong heating...

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  12. (A) Addition polymerisation is also known as step growth polymerisatio...

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  13. (A) Poly lactic acid is a condensation copolymer. (R) Poly lactic ac...

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  14. (A) AICI(3) can initiate cationic polymerisation. (R) AICI(2) can pr...

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  15. (A) In Anionic polymerization chain terminating step is absent. (R) ...

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  16. (A) Benzoyl peroxide can initiate free radical polymerisation. (R) ...

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  17. (A) Ethylene can not be prepared by anionic polymerisation. (R) Eth...

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  18. (A) Teflon is used in nonstick cookwere (R) Teflon is resistant to a...

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  19. (A) Condensation polymeristion is called step growth polymerisation. ...

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  20. (A) Nylon-6 is condensation homo polymer. (R) Nylon-6 is a fibre.

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