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Two compounds of Be which are useful are Beryllium oxide (BeO) and Beryllium chloride (BeCl2)
BeO is a white crystalline solid that is prepared by heating beryllium carbonate, or through dehydration of beryllium hydroxide or by combustion of Be.
BeCO3--> BeO + CO2
Be (OH) 2 --> BeO + H2O
2 Be + O2 --> 2 BeO
This compound is used in many applications that require the properties of both an electrical insulator and an excellent heat conductor. BeO has a high strength and hardness and a very high melting point. It is used in radio frequency transmitters in telecommunication.
Beryllium chloride is a Lewis acid. It is prepared by treating Be with HCl.
Be + 2 HCl --> BeCl2 + H2
The anhydrous salt of BeCl2 is used in several organic reactions as a catalyst.
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