Multiple choice general knowledge science & technology

nickel(II) sulfite

  1. NiSO3

  2. Ni2SO3

  3. Ni3(SO3)2

  4. None of the above
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A Correct answer
Explanation

Nickel(II) is Ni2+. Sulfite (SO3) has a -2 charge. They balance in a 1:1 ratio, giving NiSO3. Ni2SO3 would require Ni4+, and Ni3(SO3)2 doesn't represent Ni2+ correctly.

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