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JEE Main 201816 AprilOnline
Exam
JEE Main
Year
2018
Date
16 April
Mode
Online
Subject
Chemistry
Chapter
d and f Block Elements

JEE Main 2018 · 16 April · Online · Chemistry · d and f Block Elements

When X O _ 2 is fused with an alkali metal hydroxide in presence of...

When XO2X{O}_{2} is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO3{KNO}_{3}; a dark green product is formed which disproportionate in acidic solution to afford a dark purple solution. XX is:When X O _ 2 is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO _ 3 ; a dark green

Options

  1. AMnMn
  2. BCrCr
  3. CVV
  4. DTiTi

Correct answer

A. MnMn

Step-by-step solution

When XO2{XO}_{2} is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO3{KNO}_{3}; a dark green product is formed which disproportionate in acidic solution to afford a dark purple solution. XX is MnMn

When X O _ 2 is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO _ 3 ; a dark green

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