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Assertion (A): Polyamides are best used as fibres because of high tensile strength. Reason (R) : Strong intermolecular forces (like hydrogen bonding within polyamides) lead to close packing of chains and increase the crystalline character, hence, provide high tensile strength to polymers.A. (A) and (R ) both are correct statement but reason does not explain (A)B. (A) and (R ) both are correct statements and (R ) explains the (A)C. Both (A) and (R ) are wrong statementD. (A) is correct statement and (R ) is wrong statement |
| Answer» Correct Answer - B | |