JEE Main 2018 — d and f Block Elements Question with Solution
JEE Main 2018 (16 Apr Online)
Question
When is fused with an alkali metal hydroxide in presence of an oxidizing agent such as ; a dark green product is formed which disproportionate in acidic solution to afford a dark purple solution. is:
Choose an option
Show full solutionCorrect option: A
Correct answer
A
Step-by-step explanation
When is fused with an alkali metal hydroxide in presence of an oxidizing agent such as ; a dark green product is formed which disproportionate in acidic solution to afford a dark purple solution. is
Practice this on the real CBT interface
Solve this JEE Main question (and the rest of the d and f Block Elements chapter) on PrepSharp's TCS iON-style CBT player — with timer, bookmarks and session analytics.
Solve interactively →About this question
This is a previous-year question from JEE Main 2018, covering the d and f Block Elements chapter of Chemistry. PrepSharp catalogues every PYQ from JEE Main with a verified answer key and step-by-step solution prepared by IIT alumni — so you can search by chapter, topic or year and revise efficiently.