JEE Main 2019 (Online) 9th January Evening Slot | d and f Block Elements Question 158 | Chemistry

When XO₂ is fused with an alkali metal hydroxide in presence of an oxidizing agent such as KNO₃ ; a dark green product is formed which disproportioates in acidic solution to afforda dark purple solution. X is :

JEE Main 2017 (Online) 9th April Morning Slot

MCQ (Single Correct Answer)

-1

Which of the following ions does not liberate hydrogen gas on reaction with dilute acids ?

Ti²⁺

V²⁺

Cr²⁺

Mn²⁺

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Questions Asked from d and f Block Elements (MCQ (Single Correct Answer))

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