Redox Reactions — Chemistry

Test your limits with our Elite Pro-Vault Questions for chemistry

Question 1
EasyJEE

Oxidation number of Cr in K2Cr2O7:

A. +6+6
B. +5+5
C. +3+3
D. +2+2
Question 2
EasyJEE

Reduction involves:

A. Gain of electrons
B. Loss of electrons
C. Increase in oxidation number
D. Addition of oxygen
Question 3
EasyJEE

Which is a redox reaction?

A. Zn+CuSO4→ZnSO4+CuZn+CuSO4→ZnSO4+Cu
B. NaOH+HCl→NaCl+H2ONaOH+HCl→NaCl+H2O
C. AgNO3+NaCl→AgCl+NaNO3AgNO3+NaCl→AgCl+NaNO3
D. CaO+CO2→CaCO3CaO+CO2→CaCO3

Unlock 50+ Elite Questions for Redox Reactions

Join VyomPrep Pro to access the full question bank, Socratic hints, and detailed Mentor Insights.

Start Practicing Now