Draw the structure of the following
(i) `HClO_3`
(ii) `H_2S_2O_8`
( b) Give reasons for the following
(i) Above 1000 K sulphur shows paramagnetism.
(ii)Although electron gain enthalpy of fluorine is less negative of chlorine ,yet flourine is a better oxidising agent than chlorine .
(iii) In solid state `PCl_5` exists as an ionic compound

Explanation

SeeQ.29 (or) (ii) Paper - 2009 ,Outside Delhi ,Set-I[Page 57]
See Q.29 (i) Paper - 2009 Outside Delhi ,Set-I [Page 56]
( b) Refer Q.29(i) Paper - 2008 ,Outside Delhi Set-I[page 22]
(ii) Refer Q.25 (i) Paper - 2009 ,Outside Delhi Set-I [page 90]
(iii) Refer Q.24 (i) Paper - 2016 ,Outside Delhi Set-I[page 346]