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Asked by jain.pradeep | 24 Feb, 2020, 07:28: PM
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Acidic character inreases with increase in opxidation state and basic character decreases with increase in oxidation state.
Oxidation state in Mn2O7 =+7 (Acidic)
Oxidation state in V2O5 =+5 (Amphoteric)
Oxidation state in CrO=+2 (Basic)
Answered by Ravi | 25 Feb, 2020, 11:00: AM
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and 
? Write it chemical reaction ?
3) give the disproportionation reaction of 
4) HYPOPHOSPHURUS acis is a good reducing agent . Justify with example
5) give chemical equation in support of the statement that all bonds in P
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