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ruby92:
o/N 2002  paper 1
 Q 11, 24,26

also anyone have any worksheets etc with a summary of all organic chem reactions??

ruby92:

--- Quote from: sarasa on April 06, 2010, 12:07:12 pm ---U mean paper 1, it is simple. It doesn't matter if it is a new compund dat u haven't studied all what u need to do is to count da number of oxygen atoms u will find them four, carbon atoms nd they r also four nd the hydrogen atoms nd they are also 4. hence the molecular formula is C4H4O4. It's B. U don't need to simplify since the question is about the molecular formula.

--- End quote ---
which answer is this?

ruby92:
i think u did the wrong paper...
ive attached the papers here

nid404:
hmm....
Q11..try n understand....total no of moles=4
partial pressures= no.of moles/ total no of moles X pressure
so the no of moles of products=x each
pp of h2= x/4 X p
pp of I2= x/4 X p
pp of HI= (b-x)2/4 X p2

Kp= x2 p2/16
      (b-x)2/4 X p2
     = x_2__
       4(b – x)2
     

nid404:
Q 24
B

Because only primary n secondary alcohols can be oxidised.
so C n D r out
Not A because it's primary and should form carboxylic acid on further oxidation but this one doesn't, so B

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