Multiple choice general knowledge

What is the chemical name of Co(NO3)2 ?

  1. Carbon (II) nitro-oxide

  2. Cobalt(II) nitrate

  3. Cabon nitrate

  4. Nitrous (II) carbide

Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Co(NO3)2 is Cobalt(II) nitrate - Co is Cobalt (not Carbon), NO3 is the nitrate ion, and the Roman numeral II indicates the +2 oxidation state. Options A, C, and D are incorrect chemical names or misinterpret the symbols.