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Atomistry » Silicon » Chemical Properties » Silico-acetylene | |||||||||||||||||||||||
Atomistry » Silicon » Chemical Properties » Silico-acetylene » |
Silico-acetylene, (Si2H2)n
Silico-acetylene, (Si2H2)n, was prepared by Bradley by decomposing calcium silicide with hydrochloric acid:
CaSi2 + 2HCl = CaCl2 + Si2H2. It is a yellow crystalline substance, showing no resemblance to acetylene, and is undoubtedly polymerised. The following table shows the boiling- and melting-points of the three hydrides of silicon, together with those of the corresponding hydrocarbons. The difference in boiling-point between ethane and silico-ethane is particularly noteworthy.
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