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JEE Main levelSingle correct optionDifficulty 2 of 3ev187

The number of chlorine atoms in one molecule of DDT, 1,1,1-trichloro-2,2-bis(4-chlorophenyl)ethane, is

A5
B6
C4
D3

Answer: A

Three chlorine atoms are in the

CCl X_{3}

group and one on each of the two chlorophenyl rings, giving 3 + 2 = 5. The formula is

C X_{14} H X_{9} Cl X_{5}

.

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