Acidified KMnO_4 can be decolourised by - Vidyadip

MCQ

Acidified $KMnO_4$ can be decolourised by

A
$SO_2$
B
$H_2O_2$
C
$FeSO_4$
✓
All of the above

✓

Answer

Correct option: D.

All of the above

d
$KMnO _4$ can oxidize $SO _2, H _2 O _2$ andF e. Fe is in $+3$ state in $FeCl _3$ so it can't be further oxidized.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 4. d and f- block elements→4. d and f- block elements — all question types→Chemistry STD 12 Science question papers→CBSE Board STD 12 Science question papers→CBSE Board question paper generator→

Similar questions

With reference to aqua regia, choose the correct option($s$).

$(1)$ Reaction of gold with aqua regia produces $NO _2$ in the absence of air

$(2)$ Aqua regia is prepared by mixing conc. $HCl$ and conc. $HNO _3$ in $3: 1$ ($v/v$) ratio

$(3)$ Reaction of gold with aqua regia produces an anion having $Au$ in +$3$ oxidation state

$(4)$ The yellow colour of aqua regia is due to the presence of $NOCl$ and $Cl _2$

$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
C{{H}_{3}}-C-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C{{H}_{2}}-C-H\xrightarrow{H{{O}^{-}}/\Delta }\underset{(73\%)}{\mathop{(A)}}\,; \\
\end{matrix}$ Product $(A)$ is

For a certain reaction : $(A)(g) \to B(g)$ Half life for different initial pressures of $A$ is given below

$\begin{array}{|l|l|l|} \hline {P_{{A_0}}}(atm) & 0.1 & 0.025 \\ \hline {t_{1/2}}(\sec\,\,) & 100 & 50 \\ \hline \end{array}$

The correct statement about order of reaction is

Propene, $C{H_3} - CH = C{H_2}$ can be converted to $1-$ propanol by oxidation. Which set of reagents among the following is ideal to effect the conversion

The co-ordination number of copper in cuprammonium sulphate is

The $\text{IUPAC}$ name of the following compound is:

As per IUPAC nomenclature, the name of the complex $\left[ Co \left( H _2 O \right)_4\left( NH _3\right)_2\right] Cl _3$ is :

The most stable ion is

Which of the following is acidic

$C{H_3}CN$ is known as acetonitrile because