Which of the following is/are correct re...

Which of the following is/are correct regarding buffer solution ?

A

It contains weak acid and its conjugate base

B

It contains weak base and its conjugate acid

C

It shows large change in pH on adding small amount of acid or base

D

It's pH remains same even on high dilution

Text Solution

Verified by Experts

The correct Answer is:

a,b

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BeO is essentially covalent in nature

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BeO has high value of enthalpy of formation

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Which of the following is correct regarding teflon ?

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Acidic buffer will be effective within in the `pH` range `(pK_(a) +-1)`.

B

Basic buffer will be effective within the `pH` range `(pK_(w)-pK_(b)+-1)`.

C

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D

Buffers behave most effectively when the `["Salt"]//["Acid"]`

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