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Introduction to Inorganic Chemistry

H 2 S is pass...

Question

$H_{2} S$ is passed through an acidified solution of ${M n}^{+ 2}, {C u}^{+ 2}$ and ${Z n}^{+ 2}$ . Which will give precipitate ?

A

{M n}^{+ 2}

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B

{Z n}^{+ 2}

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C

{C u}^{+ 2}

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D

None of these

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Solution

The correct option is C ${C u}^{+ 2}$
Among the given cations acidified solution of $C u^{2 +}$ will give precipitate when it passed through $H_{2} S$

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Similar questions

Q. In an acidified aqueous solution of

M n^{2 +}, N i^{2 +}, C u^{2 +}

H g^{2 +}

H_{2} S

gas was passed. Precipitates are:

C u

is precipitated as

C u S

Z n

is not precipitated when

H_{2} S

is passed through an acidic solution of

C U (N O_{3})_{2}

Z n (N O_{3})_{2}

H_{2} S

gas into a mixture of

M n^{2 +}, N i^{2 +}, C u^{2 +}

H g^{2 +}

ions in an acidified aqueous solution precipitates.

Q. During the qualitative analysis of a mixture containing

{C u}^{2 +}

{Z n}^{2 +}

ions, which gas is passed through an acidified solution containing these ions in order to test

{C u}^{2 +}

Q. An acidic solution contains

{C u}^{2 +}, {P b}^{2 +}

{Z n}^{2 +}

. If hydrogen sulphide gas is passed through this solution, the precipitate will contain:

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