Qualification > Sciences
Help in AS Chemistry!
ruby92:
m/j 2009 variant 1
4 b iii ??? ???
moon:
Can somebody help me in solving question no. 4(c) in June 2001 ppr 2?? Thanks in advance.
TJ-56:
please can someone confirm if its an error made in the mark scheme about mj 06 q4 (f) (ii)
where did the carbon atom in the middle go??
Thanks for any help
sweetie:
--- Quote from: TJ-56 on May 30, 2010, 05:07:15 pm ---please can someone confirm if its an error made in the mark scheme about mj 06 q4 (f) (ii)
where did the carbon atom in the middle go??
Thanks for any help
--- End quote ---
i have da same Q., plzzzzzzzzzzzzz sum1 help
yinyang:
--- Quote from: TJ-56 on May 30, 2010, 05:07:15 pm ---please can someone confirm if its an error made in the mark scheme about mj 06 q4 (f) (ii)
where did the carbon atom in the middle go??
Thanks for any help
--- End quote ---
the formula of the allyl alcohol is CH2=CHCH2OH
when this allyl alcohol is heated under reflux with acidified MnO4- the double bond breaks
so you will have CH2O and COHCH2OH
since it is heated under reflux the products are further oxidised
CH2O -------> 2CO2 + 2H2O
COHCH2OH --------> HO2CCO2H
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