Detergents are known to pollute rivers and waterways. However, detergents can be made biodegradable and pollution free by taking-
A
unbranched hydrocarbon chain
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B
benzenoid hydrocarbons
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C
cyclic hydrocarbon chain
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D
hydrocarbon with more branching.
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Solution
The correct option is A unbranched hydrocarbon chain If hydrocarbon chain is branched, then bacteria cannot degrade easily and slow degradation of detergents leads to their accumulation. Unbranched chains can be biodegraded more easily and hence pollution is prevented.