Chemistry, asked by prembhandakkar22, 21 days ago

9) Number of electrons involved in the half reaction Cr 2 O 7 ^ -2 2Cr^ +3 is (1) 3 (2) 5 (3) 6 (4) 7

Answers

Answered by naveenkumarpaswan07

2

Answer:

5

Explanation:

in Cr2O7^-2 =2

2Cr^+3=3

total=5electrons

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