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(A): Detergent contanining more branches...

(A): Detergent contanining more branches in the hydrocarbonpart are water polluting.
(R) : Bacteria cannot degrade detergent containing highly branched hydro carbon chain. 

A

Both A & R are true, R is the correct explanation of A

B

Both A & R are true, R is not correct explanation of A

C

A is true, R is false

D

A is false, R is true

Text Solution

Verified by Experts

The correct Answer is:
B
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(A) Branched chain detergents are non biodegradable and unbranched hydro-carbon detergents are biodegradable. (R) Bacteria cannot degrade highly branched hydrocarbon chain.

Stright chain of a hydrocarbon is preferred over branched chain as a detergent. Why?

(A): Sythetic detergents do not contain any soap but exhibit all the properties of soaps. (R): Synthetic detergents give foam even in hard water.

(A) Detergents are preferred to soaps for washing purposes. (R) Detergents having branched chain hydrocarbons are non-biodegradable.

(A) Cationic detergents have long hydro carbon part and a positive charge on nitrogen atom. (R) Cationic detergents are quarternary ammonium salts of amines with acetates or chlorides or bromides.