(D) The salt $A$ is $AgNO_3$.$1$. Reaction with $Cu$: $2AgNO_3 + Cu \rightarrow Cu(NO_3)_2 + 2Ag$. The $Cu^{2+}$ ions formed in the solution impart a

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(D) The salt $A$ is $AgNO_3$.$1$. Reaction with $Cu$: $2AgNO_3 + Cu \rightarrow Cu(NO_3)_2 + 2Ag$. The $Cu^{2+}$ ions formed in the solution impart a blue color.$2$. Reaction with $HCl$: $AgNO_3 + HCl \rightarrow AgCl \downarrow + HNO_3$. $AgCl$ is a white precipitate.$3$. Reaction with $Conc. H_2SO_4$: $AgNO_3 + H_2SO_4 \rightarrow HNO_3 + AgHSO_4$. The $HNO_3$ decomposes to release $NO_2$ gas,which appears as brown fumes.

Class 12 Chemistry Principles Related to Practical Chemistry Wet Test for Basic Radical

Difficult

$A$ is:
$\text{Salt } A \text{ (Colourless)} \xrightarrow{Cu} \text{Blue solution}$
$\text{Salt } A \text{ (Colourless)} \xrightarrow{HCl_{(aq)}} \text{White ppt}$
$\text{Salt } A \text{ (Colourless)} \xrightarrow{\text{Conc. } H_2SO_4} \text{Brown fumes}$

A
$Cu(NO_3)_2$
B
$KNO_3$
C
$Pb(NO_3)_2$
D
$AgNO_3$

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Wet Test for Basic Radical

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Passing $H_2S$ gas into a mixture of $Mn^{2+}$,$Ni^{2+}$,$Cu^{2+}$ and $Hg^{2+}$ ions in an acidified aqueous solution precipitates

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Identify the metal $M$ and the precipitate $Z$ in the following reaction sequence:
$MSO_4$ $\xrightarrow{NH_4OH} \downarrow X \text{ (white)}$ $\xrightarrow{NH_4OH \text{ (excess)}} Y$ $\xrightarrow{H_2S} \downarrow Z$

MediumKCET 2015

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$A$ is:$\text{Salt } A \text{ (Colourless)} \xrightarrow{Cu} \text{Blue solution}$$\text{Salt } A \text{ (Colourless)} \xrightarrow{HCl_{(aq)}} \text{White ppt}$$\text{Salt } A \text{ (Colourless)} \xrightarrow{\text{Conc. } H_2SO_4} \text{Brown fumes}$

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The distinguishing reagent between silver and lead salts is:

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Identify the metal $M$ and the precipitate $Z$ in the following reaction sequence:$MSO_4$ $\xrightarrow{NH_4OH} \downarrow X \text{ (white)}$ $\xrightarrow{NH_4OH \text{ (excess)}} Y$ $\xrightarrow{H_2S} \downarrow Z$

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$A$ is:
$\text{Salt } A \text{ (Colourless)} \xrightarrow{Cu} \text{Blue solution}$
$\text{Salt } A \text{ (Colourless)} \xrightarrow{HCl_{(aq)}} \text{White ppt}$
$\text{Salt } A \text{ (Colourless)} \xrightarrow{\text{Conc. } H_2SO_4} \text{Brown fumes}$

Identify the metal $M$ and the precipitate $Z$ in the following reaction sequence:
$MSO_4$ $\xrightarrow{NH_4OH} \downarrow X \text{ (white)}$ $\xrightarrow{NH_4OH \text{ (excess)}} Y$ $\xrightarrow{H_2S} \downarrow Z$