Find the values of X and Y using the principle of redox balancing in an alkaline medium.

C₂H₅OH + X I₂ + Y OH^- $\to$CHI₃ + HCO₂^- + 5I^- + 5H₂O

1. 4,6

2. 2,6

3. 2,4

4. 4,4

Which is the correct set that can only act as an oxidant? 

Which one is correct about CH₂ = CCl₂?

1. Both carbons are in +2 oxidation state.

2. Both carbons are in +1 oxidation state.

3. One carbon has +2 and other -2 oxidation states.

4. The average oxidation number of carbon is +1.

N₂H₄ + IO₃^- + 2H⁺ + Cl^- $\to$ICl + N₂ + 3H₂O

The equivalent masses of N₂H₄ and KIO₃ respectively are :-

1. 8 and 35.6

2. 8 and 87

3. 8 and 53.5

4. 16 and 53.5

Find the compound in which the oxidation state of iron (Fe) is zero.

1. FeS

2. Fe₂O₃

3. FeSO₄

4. Fe(CO)₅

In the given reaction,

xBrO₃^-+ yCr⁺³ + zH₂O $\to$Br₂ + CrO₄^2- + H⁺

The coefficients x, y, and z are respectively-

1. 6, 10, 11

2. 6, 10, 20

3. 6, 8, 22

4. 6, 10, 22

What is the equivalent weight of H₃PO₃ in the following disproportionation reaction:-

H₃PO₃ $\to$H₃PO₄ + PH₃

1. $\frac{M}{6}$   

 2. $\frac{M}{2}$ 

3.  $\frac{2M}{3}$ 

 4. $\frac{M}{3}$

Identify the substance acting as an oxidant in the following reaction:

BaCl₂ + Na₂SO₄$\to$BaSO₄ + 2NaCl

1. BaCl₂

2. Na₂SO₄

3. NaCl

4. None of the above

In the reaction:

Al + Fe₃O₄  → Al₂O₃ + Fe

How many electrons are transferred in total during the reaction?

1. 6

2. 8

3. 8/3

4. 24

A metallic oxide contains 40% oxygen then equivalent weight of metal is 

1. 48

2. 36

3. 24

4. 12