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The correct order of acidic strength of ...

The correct order of acidic strength of the following is

A

`CaO lt CuO lt H_(2)O lt CO_(2)`

B

`H_(2)O lt CuO lt CaO lt CO_(2)`

C

`CaO lt H_(2) O lt CuO lt CO_(2)`

D

`H_(2)O lt CO_(2) lt CaO lt CuO`

Text Solution

Verified by Experts

The correct Answer is:
A
`CaO lt CuO lt H_(2) P lt CO_(2)` (Apply Fajans' rule)
Going from left to right in the periodic table along a group, the acidic character of oxides goes on decreasing.
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Knowledge Check

  • Correct order of acidic strengths

    A
    `X gt Y gt Z`
    B
    `Z gt Y gt X`
    C
    `Y gt Z gt X`
    D
    `X gt Z gt Y`