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.
Which of the following statement(s) is/are CORRECT?
I. Acids are sour in taste and generate H+ ions.
II. Acids are sour in taste and generate OH– ions.
III. Bases are bitter intaste and generate OH– ions.
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Oxygen molecule is ______.
Molybdenite is an ore/mineral of
_________ gets converted to phosgene, when exposed to sunlight.
Carnotite is an ore/mineral of _____.
_____ is the major component of natural gas.
What is used to prevent freezing of fuel in space crafts?
Which of the following gases is heavier than oxygen?