Question

29, Arrange the following oxides in order of increasing acidic
x character Na20, C1,0, As2O3, N2O.
(a) Na2O < As2O3 < N20 < 01207
(b) Na2O <N20 < As2O3 < C120,
(c) N2O < C120, < Na2O < As2O3
(d) C120, < N20 < As2O3 < Na2O
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Answer 1

Na2O reacts with water to give NaOH. So Na20 is a basic oxide.

Na2O + H2O=====>2NaOH

therefore the option no.d is also correct
d) C120, < N20 < As2O3 < Na2O
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Answer 2

Answer: (A) Na2O<As2O3<N2O<Cl2O7

Explanation:

Na2O is an oxide of a metal. Since we know, metallic oxides are basic in nature, so among the group, Na2O is acidic.

Among As2O3 and N2O, we have oxides of N and As which are present in the same group. We know basicity increases on going down a group, so As2O3 is more basic than N2O, thus N2O is more acidic than As2O3.

Conisdering this statements, we see only one option is there matching with the explaination.

So, answer is option (A) Na2O<As2O3<N2O<Cl2O7

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-RANIT