Q: Which one of the following is the correct molecular formula of ammonium carbonate if the valency of ammonium ion is (+1) and carbonate anion is (-2)?
(a)(NH₄)₂CO₃
(b)NH₄(CO₃)₂
(c)(NH₃)₂CO₃
(d)NH₄CO₃
Correct Answer: (a)
The correct answer is (d) 'NH4CO3'. This question from the General Studies domain tests knowledge of Miscellaneous.