Which of the following pair of solutions...

Which of the following pair of solutions does not form a buffer solution?

A

` NaH_2PO_4 and Na_2HPO_4`

B

` H_2CO_3 and NaHCO_3`

C

` NH_4 OH and H_4 Cl`

D

KOH and `K_2 SO_4`

Text Solution

Verified by Experts

The correct Answer is:

D

KOH is a strong base and `K_2SO_4` is a salt of SA and SB

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Knowledge Check

Which one of the following pair of solutions is an isotonic?

A

0.15 M NaCl and 0.1 M `Na_(2) SO_(4)`

B

0.2 M Urea and 0.1 M Sugar

C

0.1 M `BaCl_(2)` and `0.2` M Urea

D

0.4 M `MgSO_(4)` and 0.1 `M NH_(4)CI`

Which of the following pairs of solutions are expected to be isotonic , temperature being the same ?

A

`0.1 M "glucose and " 0.1 M C_(6)H_(5)NH_(3)Cl`

B

`0.1M NaCl "and" 0.05 M BaCl_(2)`

C

`0.1 M Na_(2)SO_(4) "and" 0.1 MKNO_(3)`

D

`0.1M BaCl_(2) " and" 0.075 M FeCl_(3)`

Which of the following is a lyophobic solution?

A

aqueous starch solution

B

aqueous protein solution

C

gold sol

D

polymer solutions in some organic solvents

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