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  4. The acidic, basic or amphoteric nature of Mn2O7 , V2O5 and CrO is in the order:

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Q. The acidic, basic or amphoteric nature of $Mn_{2}O_{7}$ , $V_{2}O_{5}$ and $CrO$ is in the order:

NTA AbhyasNTA Abhyas 2020

Solution:

$Mn_{2}O_{7}$ is acidic, $V_{2}O_{5}$ is amphoteric and $CrO$ is basic.