Determine the oxidation state of $Cr$ in $K_2Cr_2O_7$.
- A$2$
- B$4$
- C$6$
- D$7$
Explore More
Similar Questions
If $HNO_3$ changes into $N_2O$,the oxidation number of nitrogen is changed by
Medium
View SolutionMatch the Column-$I$ with Column-$II$ for the oxidation states of the central atoms.
Column-$I$ Column-$II$ $A$. $Cr_2O_7^{2-}$ $1$. $+3$ $B$. $MnO_4^{-}$ $2$. $+4$ $C$. $VO_3^{-}$ $3$. $+5$ $D$. $FeF_6^{3-}$ $4$. $+6$ $5$. $+7$
| Column-$I$ | Column-$II$ |
| $A$. $Cr_2O_7^{2-}$ | $1$. $+3$ |
| $B$. $MnO_4^{-}$ | $2$. $+4$ |
| $C$. $VO_3^{-}$ | $3$. $+5$ |
| $D$. $FeF_6^{3-}$ | $4$. $+6$ |
| $5$. $+7$ |
Medium
View SolutionWhich of the following oxoacids of sulphur contains $S$ in two different oxidation states?
What is the oxidation number of $P$ in $KH_2PO_2$?
Medium
View SolutionThe sum of oxidation states of all atoms in $Cr_{2}O_{7}^{2-}$ ion is
Vedclass Products
For Students
Vedclass Test Series
Mock tests in real JEE/NEET style with performance analysis. 5-day free trial.
Start Free TrialFor Teachers
Exam Paper Generator
Generate Set A/B/C/D exam papers from 7.5L+ questions in 2 minutes. 3 chapters free.
Try FreeFor Institutes
Online Exam Module
Live online exams with unlimited students, 360° analytics & white-label branding.
See Demo