NEETÂ Chemistry is the scoring paper in the medical entrance examination. Here, you will discover the NEET Chemistry MCQ Questions for all Concepts as per the latest syllabus. Practice more on a regular basis with these NEET Chemistry objective questions on air pollution and improve your subject knowledge & problem-solving skills along with time management. NEET Chemistry Oxidation Reduction Multiple Choice Questions make you feel confident in answering the question in the exam & increases your scores to high.
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)