Question

What is the formula of Cobalt 2 oxide?​

Answer 1

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➷ The formula for Cobalt 2 oxide is CoO. It is used in the ceramics industry.

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Answer 2

The formula of Cobalt oxide is ZnO.

2Co(s) + O2(g) ----> 2CoO(s)

It is in solid state. It contains one atom of Cobalt and one atom of Oxygen.It is basic in nature because it is a metal oxide. It is black coloured powder. As we know that metal oxides are basic in nature.

CoO(s) + H2O (l) ---> Co(OH)2

It's solution turns red litmus paper into blue which proves that it is a base.