1. Tardigrade
  2. Question
  3. Chemistry
  4. The oxidation number of Cr in K2 Cr2 O7 is

Question Error Report

Thank you for reporting, we will resolve it shortly

Back to Question

Q. The oxidation number of Cr in $K_{2} Cr_{2} O_{7}$ is

Redox Reactions

Solution:

$K_{2} \overset {*}{C}r_{2} O_{7}$
$2+ 2x-2 \times 7 =0; 2x -14+2 =0$
$2x =12; x=\frac{12}{2}=+6$