Account for the following statement : Acidic character decreases from N 2 O 3 to Bi 2 O 3 in group 15.

The acidic character of trioxides of group 15 elements decreases as we move down the group i.e., from N 2 O 3 to Bi 2 O 3 because of the increase in atomic size, metallic character and decrease in electronegativity. The pentoxides of group 15 elements are more acidic than their corresponding trioxide.

Draw the structure of N 2 O 5 .

In this structure, each N atom has four shared pair of electrons, two with an oxygen atom to form N = O bond and two single bonds each with oxygen atom to form two N - O bonds. Thus, the covalency of each nitrogen atom in N 2 O 5 is four. Structure of Nitrogen pentoxide

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Chemistry Crash Course (Based on Revised Syllabus-2023)>Chapter -1 - The p-Block Elements>Exercise>Q 52

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A colourless gas which gives out the smell of rotten fish is:

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