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← JEE Main 2017 · 8 Apr · Shift 1
ChemistrySingle correct+4 / -1Question 51 of 90

JEE Main 2017 · 8 Apr · Shift 1, Chemistry question 51

A mixture containing the following four compounds is extracted with 1M HCl. The compound that goes to aqueous layer is :

Four cyclohexyl compounds: (I) cyclohexyl methyl sulfide, (II) N-methylcyclohexylamine, (III) methoxycyclohexane, (IV) cyclohexyl methyl ketone.
Choose one option
Answer and worked solution

Official answer: B

Only the amine (II) is basic enough to be protonated by 1 M HCl; its ammonium salt dissolves in the aqueous layer. The sulphide, ether and ketone stay in the organic layer.