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Question

Chemistry Question on Buffer Solutions

A basic buffer solution is formed by selecting the pair

A

KCN−KOHKCN-KOH

B

CH3COOH−NaClCH_{3}COOH-NaCl

C

NH4OH−CH3COONH4NH_{4}OH-CH_{3}COONH_{4}

D

NaCl−NaOHNaCl-NaOH

Answer

NH4OH−CH3COONH4NH_{4}OH-CH_{3}COONH_{4}

Explanation

Solution

A basic buffer solution is a mixture of weak base and its conjugated acid (or one of its salt) eg, NH4OH−CH3COONH4NH_{4}OH-CH_{3}COONH_{4}