Chemistry Quiz on Redox Reaction for IIT JEE, NEET, Medical & Engineering Exam 2021

Chemistry Quiz on Redox Reaction

Chemistry Quiz on Redox Reaction: NEET/JEE Chemistry is considered to be the most scoring subject. 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 Chemistry quiz on Redox Reaction.

Chemistry Quiz on Redox Reaction

1. In which of the following complex, the oxidation number of Fe is +1?

(a) Fe₄[Fe(CN)₆]₃

(b) [Fe(H₂O)₅NO]SO₄

(c) [FeBr₄]^–

(d) [Fe(H₂O)₆]^2-

2. Which among the following compounds is the most reducing compound?

(a) H₂S

(b) HNO₂

(c) SnCl₂

(d) H₂SO₃

3. Which among the following is the strongest oxidising agent?

(a) H₂O₂

(b) O₃

(c) K₂Cr₂O₇

(d) KMnO₄

4. Which of the compounds can exist together?

(a) HgCl₂, SnCl₂

(b) FeCl₃, KI

(c) FeCl₃, SnCl₂

(d) FeCl₂, SnCl₂

5. One mole of ferrous oxalate requires____ moles of MnO₄^– to get oxidised completely in an acidic medium

(a) 0.6 moles

(b) 0.4 moles

(c) 0.2 moles

(d) 7.5 moles

6. H₂O₂ changes Cr₂O₇^2- ion to CrO₅ in an acidic medium, the oxidation state of Cr in CrO₅ is

(a) +6

(b) +5

(c) -10

(d) +3

7. H₂SO₄ acts as a strong oxidising agent. In which of the reaction, is it not acting as an oxidising agent?

(a) C + 2H₂SO₄ → CO₂ + 2SO₂ + 2H₂O

(b) CaF₂ + 2H₂SO₄ → CaSO₄ + 2HF

(c) S + 2H₂SO₄ → 3SO₂ + H₂O

(d) Cu + 2H₂SO₄ → CuSO₄ + SO₂ + 2H₂O

8. During a reaction of oxalic acid, potassium chlorate and sulphuric acid, the oxidation number of which of the element undergoes a maximum change

(a) H

(b) S

(c) C

(d) Cl

9. Find the redox reaction

(a) In the atmosphere, O₃ from O₂ by lighting

(b) The reaction of H₂SO₄ with NaOH

(c) Both oxidation and reduction reaction

(d) Evaporation of water

10. Find the oxidation state of I in H₄IO₆^–

(a) +7

(b) +5

(c) +1

(d) -1

 

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