Among the following the maximum covalent character is shown by the compound
(1)MgCl2
(2)FeCl2
(3)SnCl2
(4) AlCl3
According to Fajans rule, cation with greater charge and smaller size favours covalency.
Calcium salts used as fertilizer is:
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Which one of the following is an ohmic conductor?
The commonly used coolant in refrigerators is
Phosphorus is kept in water because
The depletion in Ozone layer is caused by ___________ .
Name the gas used in preparation of bleaching powder
Magnesium is a constituent metal of __________
Researchers at the University of Illinois have discovered new form of matter called Excitonium which was coined by ______ in the 1960’
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