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The pH of 0.1 M solution of the followin...

The pH of 0.1 M solution of the following salts increases in the order

A

`NaCl lt NH_(4) Cl lt NaCN lt HCl`

B

`HCl lt NH_(4) Cl lt NaCl lt NaCl`

C

`NaCN lt NH_(4) Cl lt NaCl lt HCl`

D

`HCl lt NaCl lt NaCN lt NH_(4) Cl`.

Text Solution

Verified by Experts

The correct Answer is:
B
NaCl = neutral (pH=7) , `NH_(4)Cl` = Slightly acidic
`(pH lt 7) , NaCN = "basic" (pH gt 7) , HCl = "Strongly acidic"(pH lt lt 7)`.
`:.` Order will be `HCl lt NH_(4)Cl lt NaCl lt NaCN`.
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Knowledge Check

  • The pH of 0.1M solution of the following salts decreases in the order

    A
    `NaCI lt NH_(4) CI lt NaCN lt HCI`
    B
    `HCI lt NH_(4) CI ltNaCI lt NaCN`
    C
    `NaCN lt NH_(4) CI lt NaCI lt HCI`
    D
    `HCI lt NaCIlt NaCN lt NH_(4) CI`

  • The pH 0.1 M solution the following salts increases in the order.

    A
    `NaCI lt NH_(4)CI lt NaCN lt HCI`
    B
    `HCI lt NH_(4)CI lt NaCI lt NaCN`
    C
    `NaCN lt NH_(4)CI lt NaCI lt HCI`
    D
    `HCI lt NaCI lt NaCN lt NH_(4)CI`

  • The pH of 0.1 M solution of the following increases in the order

    A
    `NaCl lt NH_(4)Cl lt NaCN lt HCl`
    B
    `HCl lt NH_(4)Cl lt NaCl lt NaCN`
    C
    `NaCN lt NH_(4)Cl lt NaCl lt HCl`
    D
    `HCl lt NaCl lt NaCN lt NH_(4)Cl`

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