Class 11 Chemistry Redox Reactions Oxidation number and Oxidation state

Easy

What is the oxidation number of sulphur in $SO_3$?

MHT CET 2025 All MHT CET

A
$+3$
B
$+4$
C
$+6$
D
$-3$

Explore More

Browse All

Question Bank

All Subjects

Class 11 Questions

Class 11

Chemistry Questions

Chapter

Redox Reactions

Subtopic

Oxidation number and Oxidation state

Previous Year

MHT CET 2025 Paper All MHT CET years →

Similar Questions

Determine the oxidation state of $Cr$ in $K_2Cr_2O_7$.

Easy

What is the change in the oxidation number of nitrogen when $NO_3^{-}$ is converted to $NH_4^{+}$ ion?

EasyMHT CET 2024

Calculate the oxidation number of phosphorus in the following species:
$(a)$ $HPO_3^{2-}$
$(b)$ $PO_4^{3-}$

Medium

What is the oxidation number of $Fe$ in $Fe_3O_4$?

Medium

Oxidation number of Nitrogen in $NH_4NO_3$ is

Medium

Vedclass Products

For Students

Vedclass Test Series

Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.

Start Free Trial

For Teachers

Exam Paper Generator

Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.

For Institutes

Online Exam Module

Live online exams with unlimited students, 360° analytics & white-label branding.