What is the use of potassium permanganate $(KMnO_4)$?
- AAs a reducing agent
- BAs a corrosion inhibitor
- CAs a bleaching agent in textile industries
- DIn the preparation of azo compounds
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Similar Questions
Potassium dichromate when heated with concentrated sulphuric acid and a soluble chloride,gives brown-red vapours of:
DifficultJEE MAIN 2013
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
The colorless species is
Medium
View SolutionIn the reaction $4K_2Cr_2O_7 \xrightarrow{\text{heat}} 4K_2CrO_4 + 3O_2 + X$,identify $X$.
Easy
View SolutionProvide the structures for:
$1.$ $MnO_4^{-}$
$2.$ $MnO_4^{2-}$
$1.$ $MnO_4^{-}$
$2.$ $MnO_4^{2-}$
Medium
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