1
MHT CET 2021 22th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify reductant in following reaction.

$$\mathrm{H}_2 \mathrm{~S}+\mathrm{NO}_2 \rightarrow \mathrm{H}_2 \mathrm{O}+\mathrm{NO}+\mathrm{S}$$

A
$$\mathrm{H}_2 \mathrm{~S}$$
B
$$\mathrm{NO}_2$$
C
$$\mathrm{NO}$$
D
$$\mathrm{S}$$
2
MHT CET 2021 21th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Oxidation state of Cr in potassium dichromate is

A
+7
B
+6
C
+1
D
+5
3
MHT CET 2021 20th September Evening Shift
MCQ (Single Correct Answer)
+1
-0

What is the value of '$$\mathrm{x}$$' in order to balance the following redox reaction by ion electron method? $$\quad \mathrm{x} \mathrm{H}_2 \mathrm{O}_2+\mathrm{ClO}_4 \rightarrow \mathrm{xO}_2+\mathrm{ClO}_2+2 \mathrm{H}_2 \mathrm{O}$$

A
3
B
4
C
1
D
2
4
MHT CET 2021 20th September Morning Shift
MCQ (Single Correct Answer)
+1
-0

Identify reductant in following reaction.

$$\mathrm{{C_2}O_4^{2 - } + MnO_4^ - + {H^ + } \longrightarrow M{n^{2 + }} + C{O_2} + {H_2}O}$$

A
$${H^ + }$$
B
$${H_2}O$$
C
$${C_2}O_4^{2 - }$$
D
$$MnO_4^ - $$
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