Strength of acid increases with the attachment of group showing –I

1.	Strength of acid increases with the attachment of group showing –I effect and decreases with the attachment of group showing +I effect. Which of the following is correct sequence of basic strength in aqueous solution ?(a) CH3NH2 < (CH3)2NH < (CH3)3N(b) (CH3)2NH < CH3NH2 < (CH3)3N(c) (CH3)3N < (CH3)2NH < CH3NH2(d) (CH3)3N < CH3NH2 < (CH3)2NH
Answer» Correct Option (d) (CH₃)₃N < CH₃NH₂ < (CH₃)₂NH Explanation : Such order of basic strength is weighted result of these three factors (a) Inductive effect (b) Solvation effect (c) Steric hindrance

Strength of acid increases with the attachment of group showing –I effect and decreases with the attachment of group showing +I effect. Which of the following is correct sequence of basic strength in aqueous solution ?(a) CH3NH2 < (CH3)2NH < (CH3)3N(b) (CH3)2NH < CH3NH2 < (CH3)3N(c) (CH3)3N < (CH3)2NH < CH3NH2(d) (CH3)3N < CH3NH2 < (CH3)2NH

Answer»

Correct Option (d) (CH₃)₃N < CH₃NH₂ < (CH₃)₂NH

Explanation :

Such order of basic strength is weighted result of these three factors

(a) Inductive effect

(b) Solvation effect

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