asked 14.0k views
15 votes
Why the molecular formula of calcium carbide is cac2 but not ca2c

asked
User Fvukovic
by
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1 Answer

12 votes

Answer:

The two carbons have a triple bond leaving two unpaired electrons which take the two calcium electrons to form the acetylide ion (C2–2) and the Ca+2 ion. The C-4 ion is not a stable species.

answered
User Thuga
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8.7k points
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