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Basic Buffer Action

A mixture of ...

Question

A mixture of CH₃COOH and CH₃COONa behaves as

A

Neutral buffer

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B

Basic buffer

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C

Ionic buffer

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D

Acidic buffer

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Solution

The correct option is D
Acidic buffer

A mixture of weak acid and its salt with a strong base serves as an acidic buffer

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Similar questions

Q. Assertion: On mixing equal volumes of 1 M

H C l

C H_{3} C O O N a

, an acidic buffer solution is formed.
Reason: The resultant mixture contains

C H_{3} C O O H

C H_{3} C O O N a

which are parts of acidic buffer.

Q. Buffering action of a mixture of

{C H}_{3} C O O H

{C H}_{3} C O O N a

is maximum when the ratio of salt to acid is equal to:

Q. Assertion :A mixture of 0.01 M

C H_{3} C O O N a

C H_{3} C O O H

is a acidic buffer solution. Reason:

C H_{3} C O O H

is a weak acid.

Read the above assertion and reason and choose the correct option regarding it.

Q. Assertion :Mixture of

{C H}_{3} C O O H

{C H}_{3} C O O {N H}_{4}

is not a buffer solution. Reason: Acid buffer contains the mixture of weak acid and its salt with strong base.

Q. We have acidic buffer of

C H_{3} C O O N a

C H_{3} C O O H

. One or more of the following operations will not change pH
I : diluting the mixture ten times
II : adding some HCl
III : adding some NaOH
IV : adding equal moles of

C H_{3} C O O N a

C H_{3} C O O H

into the buffer.
Select correct alternate.

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