Assertion: Rayon is a semi-synthetic polymer whose properties are better than natural cotton.
Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.
Reason: Mechanical and aesthetic properties of cellulose can be improved by acetylation.
- ABoth assertion and reason are correct,but the reason is not the correct explanation for the assertion.
- BBoth assertion and reason are correct,and the reason is the correct explanation for the assertion.
- CAssertion is incorrect statement,but the reason is correct.
- DBoth assertion and reason are incorrect.
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Similar Questions
Ethylene on reaction with cold, dilute alkaline $KMnO_4$ at $273 \ K$ gives a compound '$P$'. This on polymerisation with which of the following gives dacron?
Which polymer is commonly used in nonstick cookwares?
The polymer used in Orlon is:
Match the polymers in List-$I$ with their monomers in List-$II$ and select the correct match:
List-$I$ List-$II$ $A$. $Nylon$ $6,6$ $i$. $Ethylene$ $glycol$ and $Terephthalic$ $acid$ $B$. $Terylene$ $ii$. $1,3-Butadiene$ and $Styrene$ $C$. $Buna-S$ $iii$. $Chloroprene$ $D$. $Neoprene$ $iv$. $Acrylonitrile$ $v$. $Adipic$ $acid$ and $Hexamethylenediamine$
The correct match is:
| List-$I$ | List-$II$ |
|---|---|
| $A$. $Nylon$ $6,6$ | $i$. $Ethylene$ $glycol$ and $Terephthalic$ $acid$ |
| $B$. $Terylene$ | $ii$. $1,3-Butadiene$ and $Styrene$ |
| $C$. $Buna-S$ | $iii$. $Chloroprene$ |
| $D$. $Neoprene$ | $iv$. $Acrylonitrile$ |
| $v$. $Adipic$ $acid$ and $Hexamethylenediamine$ |
The correct match is:
Match List-$I$ with List-$II$ :
| List-$I$ | List-$II$ |
| :--- | :--- |
| $(a)$ Chloroprene | $(i)$ $CH_2=C(CH_3)-CH=CH_2$ |
| $(b)$ Neoprene | (ii) $CH_2=C(Cl)-CH=CH_2$ |
| $(c)$ Acrylonitrile | (iii) $[-CH_2-C(Cl)=CH-CH_2-]_n$ |
| $(d)$ Isoprene | (iv) $CH_2=CH-CN$ |
Choose the correct answer from the options given below :
| List-$I$ | List-$II$ |
| :--- | :--- |
| $(a)$ Chloroprene | $(i)$ $CH_2=C(CH_3)-CH=CH_2$ |
| $(b)$ Neoprene | (ii) $CH_2=C(Cl)-CH=CH_2$ |
| $(c)$ Acrylonitrile | (iii) $[-CH_2-C(Cl)=CH-CH_2-]_n$ |
| $(d)$ Isoprene | (iv) $CH_2=CH-CN$ |
Choose the correct answer from the options given below :
DifficultJEE MAIN 2021
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