1
MHT CET 2025 22nd April Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the difference in oxidation number of Mn in $\mathrm{KMnO}_4$ and $\mathrm{MnO}_2$ ?

A
1
B
3
C
4
D
5
2
MHT CET 2025 21st April Evening Shift
MCQ (Single Correct Answer)
+1
-0

Identify correct statement for the reaction.

$$ \mathrm{I}_2+\mathrm{KClO}_3 \xrightarrow{\Delta} \mathrm{ICl}+\mathrm{KIO}_3 $$

A
$\mathrm{I}_2$ is an oxidising agent
B
$\quad \mathrm{KClO}_3$ is reducing agent
C
Oxidation number of ' $\mathrm{Cl}^{\prime}$ decreases by 6
D
Oxidation number of I increases by 2
3
MHT CET 2025 21st April Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of electrons transferred considering Mn when $\mathrm{KMnO}_4$ is converted into $\mathrm{Mn}_2 \mathrm{O}_3$ ?

A
1
B
3
C
4
D
5
4
MHT CET 2025 21st April Morning Shift
MCQ (Single Correct Answer)
+1
-0

Which is NOT correct regarding stock notation?

A

$\quad \mathrm{Hg}_2(\mathrm{I}) \mathrm{Cl}_2$ is reduced form of $\mathrm{Hg}(\mathrm{II}) \mathrm{Cl}_2$

B

$\quad \mathrm{Hg}(\mathrm{II}) \mathrm{Cl}_2$ is oxidised form of $\mathrm{Hg}_2(\mathrm{I}) \mathrm{Cl}_2$

C

It helps to identify whether species is present in oxidised form or reduced form

D

Aurous chloride is written as Au (III) $\mathrm{Cl}_3$

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