1
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
2
MHT CET 2023 14th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the number of moles of electrons gained by one mole oxidizing agent in following redox reaction?

$$\mathrm{Zn_{(s)}+2HCl_{(aq)}}$$ $$\longrightarrow$$ $$\mathrm{ZnCl_2+H_2}$$

A
4
B
3
C
2
D
1
3
MHT CET 2023 13th May Evening Shift
MCQ (Single Correct Answer)
+1
-0

Which from following elements exhibits usual tendency to undergo reduction?

A
Mg
B
Ni
C
O
D
Cu
4
MHT CET 2023 13th May Morning Shift
MCQ (Single Correct Answer)
+1
-0

What is the change in oxidation number of selenium in the following redox reaction?

$$\mathrm{SeO}_{3(\text { (a) })}^{2-}+\mathrm{Cl}_{2(\mathrm{~g})}+2 \mathrm{OH}^{-} \longrightarrow \mathrm{SeO}_{4(\text { (a) })}^{2-}+2 \mathrm{Cl}_{(\text {(a) })}^{-}+\mathrm{H}_2 \mathrm{O}$$

A
+2 to $$-$$2
B
$$-$$2 to +2
C
+4 to +6
D
+3 to +4
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