Verified Answer :

Willchemistry

Nickel hydroxide

Ni(OH)₂

1 atom of Ni

2 atom of O

2 atom of H

answer B

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Answer : The correct option is, (b) 2

Explanation :

The given compound is, \(3Ni(OH)_2\)

In \(Ni(OH)_2\) compound, 1 atoms of nickel, 2 atoms of oxygen and 2 atoms of hydrogen.

In \(3Ni(OH)_2\) compound, 3 atoms of nickel, 6 atoms of oxygen and 6 atoms of hydrogen.

That means,

As, 3 molecules of \(Ni(OH)_2\) contains 6 atoms of oxygen atoms.

So, 1 molecule of \(Ni(OH)_2\) contains \(\frac{6}{3}=2\) atoms of oxygen atoms.

Hence, the correct option is, (b) 2

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