• September 17, 2021

Chemistry MCQ on Auto Oxidation and Disproportionation for NEET, JEE, Medical and Engineering Exam 2021

MCQ on Auto Oxidation and Disproportionation: 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 Auto Oxidation and Disproportionation

In this post we are providing you MCQ on Auto Oxidation and Disproportionation, which will be beneficial for you in upcoming NEET, JEE, Medical and Engineering Exams.

MCQ on Auto Oxidation and Disproportionation

 

Q1. Disproportionation means ______.
a) only reduction of a reactant
b) only oxidation of a reactant
c) both oxidation and reduction of a reactant
d) neither oxidation nor reduction of a reactant

View Answer

c) both oxidation and reduction of a reactant

Q2. Oxidation numbers of chlorine in Cl2O, Cl2 and ClO3 are ______.
a) +1, -1, +5
b) +1, 0, -1
c) -1, 0, +1
d) +1, 0, +5

View Answer

d) +1, 0, +5

Q3. The decomposition of KClO3 to KCl and O2 on heating is an example of _______.
a) intermolecular redox change
b) intramolecular redox change
c) disproportionation or auto redox change
d) none of these

View Answer

b) intramolecular redox change

Q4. Which of the following has been arranged in order of decreasing average oxidation number of sulphur?
a) H2S2O7 > Na2S4O6 > Na2S2O3 > S8
b) H2SO5 > H2SO3 > SCl2 > H2S
c) H2SO4 > SO2 > H2S > H2S2O8
d) SO2+ > SO42- > SO32- > HSO4

View Answer

b) H2SO5 > H2SO3 > SCl2 > H2S

Q5. Which one of the following will not reduce an acidified solution of potassium dichromate (VI)?
a) Zn
b) FeSO4
c) (CH3)2C(OH)CH3
d) CH3CH2CH(OH)CH3

View Answer

c) (CH3)2C(OH)CH3

 


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By Team Learning Mantras