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{:("List - I","List - II "),("(mixed in ...

`{:("List - I","List - II "),("(mixed in equal volumes)","(Nature of solution)"),((A)0.2 "M HCN" + 0.1 M "KOH", (P)"Strong base"),((B) 0.2 "M HCl" + 0.1 "M KCN", (Q)"basic buffer"),((C)0.2 M NH_(3) + 0.1 M HCl, (R)"acidic buffer"),((D) 0.2 M KOH + 0.1 M NH_(4) Cl,(S)" Strong acid"):}`

Text Solution

Verified by Experts

The correct Answer is:
A-R; B-S; C-Q; D-P
Incomplete neutralization of weak acid
` rArr ` acid buffer
(b) Incomplete neutralization of strong acid
` rArr ` left
( c ) Incomplete neutralization of weak base
`rArr ` basic buffer
(d) Incomplete neutralization of strong base
`rArr` base left
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Knowledge Check

  • Nature of 0.1 M solution of sodium bisulphate is

    A
    Acidic
    B
    Alkaline
    C
    Neutral
    D
    Amphoteric

  • If the pH of a buffer solution containing 0.1 M of monoacidic base and 0.01 M of its salt is 10.5, the pK_(a) of conjugate acid is

    A
    `9.5`
    B
    `4.5`
    C
    `3.5`
    D
    `11.5`

  • What is the concentration of CN^(-) ions in a solution with 0.1 M HCl and 0.01 M HCN where K_a of HCN is 10 ^(-6) ?

    A
    `10 ^(-4) M `
    B
    `10 ^(-5)M`
    C
    ` 10^(-6) M`
    D
    ` 10 ^(-7)M`

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