Question

Examples of three detergents are given below. Mark the correct statement following the examples. $(I) CH_{3}(CH_{2})_{10}CH_{2}OSO_{3}^{-}Na^{+}$

• A. $I$ and $II$ are non-biodegradable detergents and $III$ is biodegradable
• B. $I$ and $II$ are biodegradable detergents and $III$ is non-biodegradable
• C. $I, II$ and $III$ are non-biodegradable detergents
• D. $I$ is biodegradable and $II, III$ are non- biodegradable

Answer 1

Answer: (B)

$I$ and $II$ are biodegradable detergents and $III$ is non-biodegradable

Answer 2

Detergents having straight hydrocarbon chains are easily degraded by microorganisms while detergents with branched hydrocarbon chains are generally non-biodegradable