$A$ compound of mercury used in cosmetics,in Ayurvedic and Yunani medicines and known as vermilion is
- A$HgCl_2$
- B$HgS$
- C$Hg_2Cl_2$
- D$HgI$
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Similar Questions
The incorrect statement among the following is :-
The oxoanion which contains all equivalent $M-O$ bonds is:
$(I)$ $CrO_4^{2-}$
$(II)$ $MnO_4^-$
$(III)$ $Cr_2O_7^{2-}$
$(I)$ $CrO_4^{2-}$
$(II)$ $MnO_4^-$
$(III)$ $Cr_2O_7^{2-}$
Easy
View Solution$Orange-(A)$ (Inorganic compound) $+ H^{+} + H_2O_2 \to Blue-(B)$. The oxidation state of the central atom in compound $(B)$ is:
Medium
View SolutionPick out the incorrect statement:
Difficult
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
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