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Select the correct characteristic about ${Mn}_{2} O_{7}$

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lt is an anhydride of ${HMnO}_{4}$

All of the above

It is a covalent green oil.

It is acidic in nature

answer is D.

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Detailed Solution

Ionic character reduces as a metal's oxidation number rises. ${Mn}_{2} O_{7}$ , which is a covalent green oil, is the case for $Mn$ .

The inorganic substance having the formula ${HMnO}_{4}$ is known as permanganic acid (also known as manganic(VII) acid). As its dihydrate, this potent oxoacid has been isolated.

A base has a greater pH than acidic substances, which have a lower $pH$ . Vinegar and various other acids are both acidic.

Hence, the correct option is D.

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