Questions

[dentistin2011]

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can anyone explain Achiever ochem #78 in the 3rd test?
(that is about nomenclauture of cyclohexane)

another one is about g.chem.
what is the freezing point of solution if 1 mol of MgCl2 in 1kg of H2O? (Kf=1.86Celsius/m)
(for your information, the answer is not -1.86 degree Celsius)

 

[dantheman2007]

1) Start with the alcohol, then look for the longest chain

2) don't forget about the common ion effect (3 X 1.86)
Best,
Dan