JEE Main Chemistry question

Chemistry Chemistry in Everyday Life JEE Main

Not in JEE Main or NEET syllabus

Which detergent can cause maximum pollution?

(A)CH_3CH(C_4H_9)-CH_2CH_2CH(C_4H_9)(CH_2)_3CH(C_4H_9)CH_2CH_2SO_3Na (highly branched)Correct
(B)CH_2(CH_2)_{11}-C_6H_4-SO_3Na (moderately branched)
(C)(a long, straight hydrocarbon chain)
(D)Detergents are always pollution free

Answer: (A)

Solution

The greater the degree of branching in a detergent's alkyl chain, the harder it is for bacteria to biodegrade it, so the most heavily branched structure given here causes the maximum pollution. The straight-chain

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Question ID VK-151754