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Standard XII

Chemistry

Coagulation

An inorganic ...

Question

An inorganic salt solution on treatment with $H C l$ will not give a white precipitate of which metal ions?

H g_{2}^{2 +}

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H g^{2 +}

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Z n^{2 +}

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A l^{3 +}

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Solution

The correct options are
B $H g^{2 +}$
C $Z n^{2 +}$
D $A l^{3 +}$
Option (B),(C),(D) are correct.
$H g_{2} C l_{2}$ is insoluble.

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Similar questions

Q. An aqueous solution contains

H g^{2 +}

H g_{2}^{2 +}

P b^{2 +}

, and

C d^{2 +}

. Out of these, how many ions will produce white precipitate with

d i l u t e H C l

Q. An aqueous solution of a substance gives a white precipitate on treatment with dil

H C l

, which dissolved on heating. On passing

H_{2} S

in hot acidic solution a black precipitate is formed. The substance is:

Q. Assertion :We can distinguish between

Z n^{2 +}

and

P b^{2 +}

using ammonium hydroxide solution. Reason: Zinc ions with ammonium hydroxide gives white precipitate of zinc hydroxide which dissolves in excess of ammonium hydroxide. Aqueous solution of lead salt do not show any change on treatment with ammonium hydroxide

Q. The aqueous solution of an inorganic compound (X) gives white precipitate with

N H_{4} O H

which does not dissolve in excess of

N H_{4} O H

This aqueous solution also gives white precipitate with

A g N O_{3}

and the precipitate is soluble in dilute

H N O_{3}

. Here, (X) is :

A white coloured inorganic salt gives the following reactions.

(i) It is soluble in water and the solution has sweet taste.
The solution turns black in presence of $H_{2} S$
ii) The solution gives a white precipitate with dilute HCl which is soluble in hot water.

iii) The salt when heated gives acetone and a yellow coloured residue. Identify the salt (A) and give chemical reactions.

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An inorganic salt solution on treatment with HCl will not give a white precipitate of which metal ions?

The correct options are B Hg2+ C Zn2+ D Al3+Option (B),(C),(D) are correct.Hg2Cl2 is insoluble.

An inorganic salt solution on treatment with $H C l$ will not give a white precipitate of which metal ions?

The correct options are
B $H g^{2 +}$
C $Z n^{2 +}$
D $A l^{3 +}$
Option (B),(C),(D) are correct.
$H g_{2} C l_{2}$ is insoluble.