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JEE Main 2026 Jan 24 Shift 2, Chemistry Q19: d-Block Elements

JEE Main2026Jan 24, Shift 2Chemistry
Q.

"X" is an oxoanion of the lightest element of group 7 (in the periodic table). The metal is in +6 oxidation state in "X". The color of the potassium salt of X is

  1. A

    green

  2. B

    purple

  3. C

    yellow

  4. D

    orange

Solution

The lightest element of group 7 (transition metals) is Mn. An oxoanion of Mn with the metal in oxidation state is the manganate ion .

The potassium salt is , which is green.

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