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Buffer Solutions

Which of the ...

Question

Which of the following can give a buffer solution?

H C I + N a O H

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C H

_{3}

C O O N a

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H C O O H + H C O O N a

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H_{2} S O_{4} + N a_{2} S O_{4}

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Solution

The correct option is C $H C O O H + H C O O N a$
Buffer solutions have reserve acidity and reserve basicity. They are a mixture of a weak acid and its salt with a strong base or weakbase and its salt with strong acid.
$∴$ $H C O O H$ and $H C O O N a$ can from a buffer.

Suggest Corrections

Similar questions

Q. When a buffer solution of

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

and

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

is diluted with water:

Aqueous solutions of $H N O_{3}, K O H, C H_{3} C O O H a n d C H_{3} C O O N a$ of identical concentrations are provided. The pair(s) of solutions which from a buffer upon mixing is(are)

Q. pH of

C H_{3} C O O H

and

C H_{3} C O O N a

buffer is 4.8. In which of the following conc. conditions, the buffer capacity will be maximum?

[C H_{3} C O O H]

[C H_{3} C O O N a]

Q. Which of the following will form a buffer solution?
(a)

C H_{3} C O O N a + C H_{3} C O O H

(b)

N a C l + N a O H

(c)

N H_{4} C l + N H_{4} O H

(d)

N a_{2} S O_{4} + H_{2} S O_{4}

Q. How many

m o l e s

H C O O N a

must be added to

1 L

0.1 M

H C O O H

to prepare a buffer solution with a

p H

3.4

?
(Given:

K_{a}

for

H C O O H = 2 \times 10^{- 4}

)

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Which of the following can give a buffer solution?

The correct option is C HCOOH+HCOONaBuffer solutions have reserve acidity and reserve basicity. They are a mixture of a weak acid and its salt with a strong base or weakbase and its salt with strong acid.∴ HCOOH and HCOONa can from a buffer.

The correct option is C $H C O O H + H C O O N a$
Buffer solutions have reserve acidity and reserve basicity. They are a mixture of a weak acid and its salt with a strong base or weakbase and its salt with strong acid.
$∴$ $H C O O H$ and $H C O O N a$ can from a buffer.