MCQ on Method for Balancing Redox Reaction: Chemistry is considered to be the most scoring subject in NEET JEE Exam. As it is one of the easiest scoring subjects, it is often ignored and undermined a subject. But if you want to get an edge over others, here is a tip, master NEET/JEE Chemistry concepts. Chemistry demands the attention of students in understanding reactions and concrete basic understanding but once done it only gets easier from there. Mastering NCERT syllabus for NEET/JEE Chemistry should be topping your list of to-do for chemistry.

In this post we are providing you MCQ on Method for Balancing Redox Reaction, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Method for Balancing Redox Reaction

Q1. Which of the following cannot function as an oxidising agent?
a) I^–
b) Si(s)
c) NO₃^–(aq)
d) Cr₂O₇^2-

Q2. The oxidation number of Pt in [Pt(C₂H₄)Cl₃]^– is ______.
a) +1
b) +2
c) +3
d) +4

Q3. One mole of N₂H₄ loses 10 moles of electrons to form a new compound y. Assuming that all nitrogen appears in the new compound, what is the oxidation state of nitrogen in y.
a) +3
b) +5
c) -3
d) -5

Q4. The equivalent mass of oxidising agent in the following reaction is ______.

SO₂ + 2H₂S → 3S + 2H₂O

a) 8
b) 16
c) 32
d) 64

Q5. Zn gives H₂ gas with H₂SO₄ and HCl but not with HNO₃ because ______.
a) Zn acts as an oxidising agent when it reacts with HNO₃
b) NNO₃ is a weaker acid than H₂SO₄ and HCl
c) In electrochemical series, Zn is above hydrogen
d) NO₃^– is reduced in preference to hydronium ion

Q6. In the reaction

3Br₂ + 6CO₃^2- + 3H₂O → 5Br^– + BrO₃^– + 6HCO₃^–

a) bromine is oxidised and carbonate is reduced
b) bromine is reduced and water is oxidised
c) bromine is neither reduced nor oxidised
d) bromine is both reduced and oxidised

Q7. Which of the following represents a redox reaction?
a) BaCl₂ + H₂SO₄ → BaSO₄ + 2HCl
b) CuSO₄ + 2H₂O → Cu(OH)₂ + H₂SO₃
c) NaOH + HCl → NaCl + H₂O
d) Zn + 2HCl → ZnCl₂ + H₂

Q8. A compound of Xe and F is found to have 53.5% of Xe. What is the oxidation number of Xe in this compound?
a) 0
b) 2
c) 4
d) 6

Q9. Which reaction involves neither oxidation nor reduction?
a) CrO₄^2- -→ Cr₂O₇^2-
b) Cr → CrCl₃
c) Na → Na⁺
d) 2S₂O₃^2- → S₄O₆^2-

Q10. A solution contains Fe²⁺, Fe³⁺ and I^– ions. This solution was treated with iodine at 35^oC. E^o for Fe³⁺/Fe²⁺ is 0.77V and E^o for I₂/2I^– = 0.536V. The favourable redox reaction is ______.
a) I₂ will be reduced to I^–
b) I^– will be oxidised to I₂
c) There will be no redox reaction
d) Fe²⁺ will be oxidised to Fe³⁺

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