300+ TOP MCQs on Oxidation Reduction and Answers

NEET  Chemistry is the very imporatant paper in the Medical Entrance EXAM. So these NEET Chemistry MCQs with Answers for all Concepts as per the new syllabus. Practice daily with these NEET Chemistry objective questions on air pollution. NEET Chemistry Oxidation Reduction Multiple Choice Questions

MCQs on Oxidation Reduction :

1. The total of the oxidation number in an element is
(A) charge
(B) volatility
(C) reduction
(D) oxidation

Answer

Answer: (a)

2. The reduction is a gain of
(A) electrons
(B) protons
(C) neutros
(D) oxygen

Answer

Answer: (a)

3. Which of the following is not a reducing agent?
(A) CO₂
(B) SO₂
(C) NO₂
(D) ClO₂

Answer

Answer: (a)

4. A number which is assigned to each atom or ion in a compound which explains its degree of oxidation is called
(A) oxidation state only
(B) oxidation number
(C) oxidation degree only
(D) oxidation state and number

Answer

Answer: (d)

5. The gain of oxygen is known as
(A) oxidation
(B) reduction
(C) halogenation
(D) chlorination

Answer

Answer: (a)

6. Which of the following undergoes a maximum change in its oxidation number, when a mixture of oxalic acid, potassium chlorate and sulphuric acid is heated?
(A) S
(B) Cl
(C) H
(D) C

Answer

Answer: (b)

7. The oxidation number for oxygen will always be
(A) 2
(B) -2
(C) 1
(D) -1

Answer

Answer: (b)

8. The reduction is the decrease in
(A) oxidation number
(B) charge
(C) solubility
(D) none of the above

Answer

Answer: (a)

9. The reaction in which oxidation and reduction takes place at the same time is called
(A) redox reaction
(B) oxidation reaction
(C) reduction reaction
(D) none of the above

Answer

Answer: (a)

10. Hydrogen (H₂) is used for making
(A) margarine only
(B) ammonia only
(C) salts
(D) margarine and ammonia

Answer

Answer: (d)