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CHOLESTEROL chiral centre

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Which enthalpy graph?
What was the answer to the pH graph, when we mix the period 3 oxides with water and note the pH.
 
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for KMNO4question.. K2Cr2O7 cannot oxidise alkenes to diol but KMN04 can so if K2Cr2O7 can oxidise secondary alcohol so can cold KMNO4 but still there is some confusion
 
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Ans was +2 and -1 ...
dilute manganate in cold condition will NOT oxidize secondary alcohol....this is what i know from study of exam paprs and mark schemes...
 
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sweetiepie said:
da entalpy change X.---->Y AND Y---> Z..:)

That was easy, first it went up, then it fell, then it rose, then it fell again to the lowest level [pathetic explanation], i think it was A. x was in the middle, Y at the top and Z at the bottom. Hope you understand. :( :sorry:
 
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no.......it was up low low..u dihnt mmoved it to left only cnsiderd moving it up
 
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higher lower lower....ask zishi...he also got it same...all my friendx got this
 
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not this one entalpy change one which has been repeated ufff i know da answer which u rote.....:p
 
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@sweetiepie
There was only one graph which had two lopes like imnt two vertices and the rest were only 1 vertix
as this was proceeding in two steps
so two activition energy
so two vertices
and oonly one of the graphs had that
so tht one
Guess it was A
 
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noooooooooooooooooooooooooo da one x-----.y dleta positive one ..........????????
 
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X---->Y DELTA POSITIVE
Y--->Z DELTA NEGATIVE

THIS ANSWER I ROTE C N WAT U ROTE???
 
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umnt the graph one rite
with inter mediate and they said
first step is
X-----Y is endothermic
and Y-----X is exothermic rite?
 
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