1
MHT CET 2024 3rd May Evening Shift
MCQ (Single Correct Answer)
+1
-0

In which of the following compounds chlorine has highest oxidation state?

A
$\mathrm{KCl}$
B
$\mathrm{HClO}$
C
$\mathrm{HClO}_2$
D
$\mathrm{HClO}_4$
2
MHT CET 2024 3rd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify the element reduced in following reaction.

$$\mathrm{Cr}_2 \mathrm{O}_7^{2-}+14 \mathrm{H}^{+}+6 \mathrm{I}^{-} \longrightarrow 2 \mathrm{Cr}^{3+}+3 \mathrm{H}_2 \mathrm{O}+3 \mathrm{I}_2$$

A
Cr
B
H
C
O
D
I
3
MHT CET 2024 2nd May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the oxidation number of underlined species in $\mathrm{PF}_6^{-}$and $\mathrm{V}_2 \mathrm{O}_7^{-4}$ ions respectively?

A
+5 and $-$5
B
5 and +5
C
$ -$5 and +5
D
3 and +3
4
MHT CET 2023 14th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which among the following species is reduced by tin easily?

A
Iodine
B
Iron
C
Zinc
D
Sodium
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