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K2MaO4 is formed when :...

`K_2MaO_4` is formed when :

A

`Cl_2` is passed into `KMnO_4` solution

B

Manganese dioxide is fused with potassium hydroxide in air

C

Fonnaldehyde reacts with potassium pennanaganate in presence of a strong alkali

D

Potassium pennanaganate reacts with conc `H_2SO_4`

Text Solution

Verified by Experts

The correct Answer is:
B, C
`MnO_2 + K_2CO_3+ "air" overset(Delta) rarr K_2MnO_4`
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AAKASH SERIES-D & F BLOCK ELEMENTS-LEVEL-II (LECTURE SHEET) (EXERCISE-I)(SINGLE & ONE OR MORE THAN ONE CORRECT ANSWERS)
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  4. Which of the following is (are) correct:

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  5. Which statement (s) is (are) incorrect:

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  8. Which of the following statement(s) is (are) true for Mohr's salt ?

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  12. Select the wrong statement(s) :

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  13. Which of the following statement(s) is (are) con-ect ?

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  15. respectively in the given reactions

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