Qualification > Sciences

chemistry

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ruby92:
ahhh i get it now Thank You :)
could you answer the rest of the questions as soon as possible :S ?

nid404:
I'll do  it....need some time

nid404:

--- Quote from: ruby92 on May 08, 2010, 10:12:37 pm ---
o/n 2007
4 isnt it D group 3
5
9
37

--- End quote ---

Q4) The greatest difference in I.E is between the 2nd and 3rd  I.Es. That means it belongs to group 2

Q5) A polar molecule. Forms dipole, and can form hydrogen bonds with HCHO

Q9) The metal has to form a salt with sulphate ion. SO4 has a ox state of -2....so that of metal has to be +2 (only then will it form a stable salt compound)

Q37) I'll try get the mechanism...

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