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a
More active metals are on the Ieft side of the periodic table
b
On moving left hand side to right hand side of the periodic table, the acidity of the oxide increases
c
Both 1 and 2 options are correct
d
Both 1 and 2 options are wrong
answer is C.
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Detailed Solution
Lower the value of IE greater the reactivity.IE increases left to right.Thus, most active metals are on the Ieft side of the periodic table.On LHS of periodic table oxides like Na2O is formed and on RHS Cl2O7 which is acidic is formed.