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Problem
Problem
M
g
2
C
3
\mathrm{Mg}_2\mathrm{C}_3
Mg
2
C
3
reacts with water forming propyne gas.
C
3
4
−
\mathrm{C}_3^{4-}
C
3
4
−
ions has : a. two sigma and two pi bonds b. three sigma and one pi bond c. two sigma and one pi bond d. two sigma and three pi bonds
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