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Which of the following constitutes a buffer ?

Question

Which of the following constitutes a buffer ?

A

H N O_{2}

and

N a N O_{2}

B

NaOH and NaCl

C

H N O_{3}

and

N H_{4} N O_{3}

D

HCl and KCl

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Text solutionVerified

A pair constituent with

H N O_{2}

and

N a N O_{2}

because

H N O_{2}

is weak acid and

N a N O_{2}

is a salt of weak acid

(H N O_{2})

with strong base (NaOH). Hence, it is an example of acidic buffer solution.

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Question Text	Which of the following constitutes a buffer ?
Answer Type	Text solution:1
Upvotes	150