When XO_(2) is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO_(3), a dark green product is formed which disproportioates in acidic solution to afford a dark purple solution. X is:

When XO_(2) is fused with an alkali metal hydroxide in presence of an

1.	When XO_(2) is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO_(3), a dark green product is formed which disproportioates in acidic solution to afford a dark purple solution. X is:
Answer» Mn Cr V Ti Answer :A