JEE Previous Year Question

Reaction of [Co(O)] with excess ammonia and in the presence of oxygen results into a diamagnetic product. Number of electrons present in -orbitals of the product is_______.

Topic: JEE PYQ

Answer: 6. Full step-by-step solution below.

Correct answer: 6

Solution

(6)
[Co(0)] +(excess) [Co()] + O
Diamagnetic

Low spin complex
Co4s°
t e Total number electrons = 6

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