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Question: Oxidation state of 'V' in Rb<sub>4</sub>Na[HV<sub>10</sub>O<sub>28</sub>] is...

Oxidation state of 'V' in Rb4Na[HV10O28] is

A
  • 5
B
  • 6
C
  • 75\frac{7}{5}
D
  • 4
Answer
  • 5
Explanation

Solution

4 (+1) + (+1) + (+1) + 10x + 28(–2) = 0

̃ 10x = 50 ̃ x = + 5