Question

Solve it fast any how

and 2) hOw many upaired electrons are in Ni2+ ???

Answer 1

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1)⏩⏩ Answer is A)

$fe_2o_3$ is a basic oxide neutralized by HCL spontaneously forming FecL3 and water

2) the valence shell electronic configuration of $Ni^2+$ 2 unpaired electrons are present


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Answer 2

2 unpaired electrons