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 statements is INCORRECT?
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Which one of the following triad represents Dobereiner's Triad?
Ammonium nitrate, on thermal decomposition, produces :
Which one of the following elements has the lowest atomic mass?
The amount of BaSO4 formed on mixing an aqueous solution of 2.08 gm of BaCl2 and excess of dilute H2SO4 is ___.
(atomic weights : Ba = 137, Cl = 35.5, S = 32, O = 16)
By volume, 78% of air is _______________
What is the general formula of alkenes?
What is the valency of magnesium?
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