• October 17, 2021

Chemistry MCQ on Method for Balancing Redox Reaction for NEET, JEE, Medical and Engineering Exam 2021

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.

MCQ on Method for Balancing Redox Reaction

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) Cr2O72-

View Answer

a) I

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

View Answer

b) +2

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

View Answer

a) +3

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

SO2 + 2H2S → 3S + 2H2O

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

View Answer

b) 16

Q5. Zn gives Hgas 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

View Answer

d) NO3 is reduced in preference to hydronium ion

Q6. In the reaction

3Br2 + 6CO32- + 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

View Answer

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

View Answer

 

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

View Answer

d) 6

Q9. Which reaction involves neither oxidation nor reduction?
a) CrO42- -→ Cr2O72-
b) Cr → CrCl3
c) Na → Na+
d) 2S2O32- → S4O62-

View Answer

a) CrO42- -→ Cr2O72-

Q10. A solution contains Fe2+, Fe3+ and I ions. This solution was treated with iodine at 35oC. Eo for Fe3+/Fe2+ is 0.77V and Eo 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+

View Answer

b) I will be oxidised to I2


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