Join the Most Relevant JEE Main 2025 Test Series & get 99+ percentile! Join Now
Search any question & find its solution
Question: Answered & Verified by Expert
What is the oxidation number of Carbon in $\mathrm{K}_{2} \mathrm{C}_{2} \mathrm{O}_{4}$?
ChemistryRedox ReactionsMHT CETMHT CET 2020 (20 Oct Shift 2)
Options:
  • A $+3$
  • B $-2$
  • C 0
  • D $+4$
Solution:
1163 Upvotes Verified Answer
The correct answer is: $+3$
$\mathrm{K}_{2} \mathrm{C}_{2} \mathrm{O}_{4} \Rightarrow(1 \times 2)+(\mathrm{x} \times 2)+(-2 \times 4)$
$=2+2 x-8$
$=2 x-6$
$\therefore x=+3$
$\therefore$ The oxidation number of $C=+3$

Looking for more such questions to practice?

Download the MARKS App - The ultimate prep app for IIT JEE & NEET with chapter-wise PYQs, revision notes, formula sheets, custom tests & much more.