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Coordination Compounds question

2021 · 20 Jul · Shift 2 · Q23

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JEE Main
Chemistry
Coordination Compounds
2021 · 20 Jul · Shift 2 · Q23

Coordination Compounds question

2021 · 20 Jul · Shift 2 · Q23

JEE MainChemistryCoordination CompoundsNumerical+4 / −1

An aqueous solution of

NiCl_2

was heated with excess sodium cyanide in presence of strong oxidizing agent to form

[Ni(CN)_6]^{2-}

. The total change in number of unpaired electrons on metal centre is

\underline{\hspace{2cm}}

.

Numerical answer

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