Statement I : AlH2O63+ is a stronger acid than MgH2O6+2 Statement II : Size of AlH2O63+smaller than MgH2O6+2 and posses more effective nuclear charge.
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a
Statement I and II are correct
b
Statement I is correct and Statement II is incorrect
c
Statement - I is incorrect and Statement II correct
d
Both statement - I and statement - II are False
answer is A.
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Detailed Solution
AlH2O6+3is stronger acid than MgH2O6+2 as AlH2O6+3under goes hydrolysis to yield Al(OH)H2O5+2and H3O+. Hydrolysis occurs due to small size of Al+3, which polarises the lone pair of H2O due to which it releases a proton.