(a) Draw the structures of the following :

(i) H2S2O7                                     (ii) HClO3

(b) Explain the following observations :

(i) In the structure of HNO3, the N-O bond (121 pm) is shorter than the N-OH bond (140 pm).

(ii) All the P-Cl bonds in PCl5 are not equivalent.

(iii) ICI is more reactive than I2.

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#7 | 17th Group

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group 17 ,preparation and properties
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