Boiling $CuCl_2$ with $Cu$ in concentrated $HCl$ gives:
- A$CuCl$
- B$CuCl_2$
- C$H[CuCl_2]$
- D$Cu_2Cl$
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Similar Questions
Assertion : Solution of $Na_2CrO_4$ in water is intensely coloured.
Reason : Oxidation state of $Cr$ in $Na_2CrO_4$ is $+VI$.
Reason : Oxidation state of $Cr$ in $Na_2CrO_4$ is $+VI$.
MediumAIIMS 2003
View SolutionWhere is potassium dichromate used?
Easy
View SolutionMatch the following:
List-$I$ List-$II$ $A$. $Co^{2+}$ $I$. Yellow colour $B$. $Fe^{2+}$ $II$. Dark green colour $C$. $Ni^{2+}$ $III$. Blue colour $D$. $Cu^{2+}$ $IV$. Pale green colour $V$. Pink colour
The correct answer is
| List-$I$ | List-$II$ |
|---|---|
| $A$. $Co^{2+}$ | $I$. Yellow colour |
| $B$. $Fe^{2+}$ | $II$. Dark green colour |
| $C$. $Ni^{2+}$ | $III$. Blue colour |
| $D$. $Cu^{2+}$ | $IV$. Pale green colour |
| $V$. Pink colour |
The correct answer is
$K_2Cr_2O_7 + H_2O_2 \xrightarrow{H^{+}} $
Medium
View SolutionWhen $MnO_2$ is fused with $KOH$ in the presence of air,a colored compound is formed. Identify the compound and its color.
Medium
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