Chem ppr1!!

[tweez11]

Someone there to solve these answers for me plz...
YR NOVEMBER 2001!!!
Q20....howcum it cudnt be B??after all...alkanes do have bond angle of 109deg!

Q21...i dunt even get this question,is it really there in this 2010 syllabus now?,cuz its kinda old ppr!

Q22...why not D??there is a stage when chlorine radicle and methane react to form HCl and methane radicle.

Q27...??i dont get the ans!

Q33....isn't the hydration of gaseous cation endothermic too??if not..why?

 

[beacon_of_light]

I don't have this paper. If you post a link here to this paper, maybe I can help you