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Which of the following is least soluble in water?

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in Chemistry – Class 12 by (188k points)
Which of the following is least soluble in water?

(a) CH3CH2NH2

(b) CH3CH2OH

(c) HCOOH

(d) CH3NH2

This question was addressed to me in examination.

Question is from Amines Physical Properties topic in portion Amines of Chemistry – Class 12

1 Answer

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Correct choice is (a) CH3CH2NH2

For explanation I would say: Lower amines are more soluble because of the smaller hydrophobic alkyl part. Also, alcohols and carboxylic acids have higher solubility than amines because of the greater polarity of OH bond than NH bond.

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