d- and f-Block Elements: JEE Main 2003 Chemistry question

JEE Main 2003 · Annual, Paper 1 · Q844

JEE Main 2003Annual, Paper 1ChemistryMediumd- and f-Block Elements158× since 2002

A red solid is insolvable in water. However it becomes soluble if some

K{\rm I}

is added to water. Heating the red solid in a test tube results in liberation of some violet colored fumes and droplets of a metal appear on the cooler parts of the test tube. The red solid is :

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JEE Main 2003 d- and f-Block Elements Question with Solution (Annual Paper 1, Q844) | JEE Arc