Which one of the following oxides is ionic?

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(A) The ionic character of an oxide depends on the oxidation state of the metal. Lower oxidation states of metals generally result in ionic oxides,whi

Vedclass · Accepted Answer

$MnO$

Vedclass · Answer

(A) The ionic character of an oxide depends on the oxidation state of the metal. Lower oxidation states of metals generally result in ionic oxides,while higher oxidation states lead to covalent character. In $MnO$,the oxidation state of $Mn$ is $+2$. In $Mn_2O_7$,the oxidation state of $Mn$ is $+7$. In $CrO_3$,the oxidation state of $Cr$ is $+6$. $P_2O_5$ is an oxide of a non-metal and is covalent. Therefore,$MnO$ is the most ionic oxide among the given options.

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