Chemistry · 2018
JEE Main · 16 April 2018, Shift 1 · Q50
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…
When $\displaystyle \mathrm{XO}_2$ is fused with an alkali metal hydroxide in presence of an oxidizing agent such as $\displaystyle \mathrm{KNO}_3$; a dark green product is formed which disproportionates in acidic solution to afford a dark purple solution. X is :
Official answer
(4)
Mn
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JEE Main 2018 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.