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Identify the product and its colour when...

Identify the product and its colour when `MnO_2` is fused with solid KOH in the presence of `O_2` K M n O 4 , purple K 2 M n O 4 purple green M n O clourless M n O 2 O 3 brown

A

`KMnO_4`, purple

B

`K_2 MnO_4` dark green

C

`MnO` clourless

D

`MnO_2 O_3 ` brown

Text Solution

Verified by Experts

The correct Answer is:
B
`2MnO_(2) + 4KOH +O_2 overset(Delta)to underset("pot manganate (Green)") ( 2K_2 MnO_4 + 2 H_2 O)`
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BRILLIANT PUBLICATION-THE D-AND F-BLOCK ELEMENTS-QUESTIONS (LEVEL-III)
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  10. Which of the following statements are true?

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  11. Although +3 is the characteristic oxidation state for lanthanoids, cer...

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