A _____ change occurs when a substance changes phase. physical chemical nuclear user: the latent heat of vaporization of ethanol
2 answers:
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Answer : The [α] for the solution is, -118.8
Explanation :
Enantiomeric excess : It is defined as the difference between the percentage major enantiomer and the percentage minor enantiomer.
Mathematically,
Given:
% major enantiomer = 86 %
% minor enantiomer = 14 %
Putting values in above equation, we get:
Now we have to calculate the [α] for the solution.
Thus, the [α] for the solution is, -118.8
Answer: Option (d) is the correct answer.
Explanation:
Carbon tetrachloride is a non-polar solvent. Whereas out of the given options,
,
,
, and HI are all polar molecules.
On the other hand, only is non-polar molecule.
Also it is known that like dissolves like.
So, being non-polar will dissolve the give alkane,
.