Statement-I High molecular weight amines are soluble in water
Statement-II Solubility of a primary amine in water is greater than that of isomeric secondary amine

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Both statements I and II are correct

Statement-I is correct and statement-II is incorrect

Statement-I is incorrect and statement-II is correct

Both statements I and II are incorrect

answer is C.

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Detailed Solution

I) As molecular weight increases, hydrophobic alkyl part becomes bulky and thus the solubuility in water decreases;

High molecular weight amines are insoluble in water.

II) $- {NH}_{2}$ group can involve in H-bonding with water more extensively than -NH- group;

$∴$ solubility in water for isomeric…. 1° amine >2° amine >3° amine

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