Chapter17: Spontaneity, Entropy, And Free Energy
Section: Chapter Questions
Problem 57E: Given the following data: 2H2(g)+C(s)CH4(g)G=51kJ2H2(g)+O2(g)2H2O(l)G=474kJC(s)+O2(g)CO2G=394kJ...
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Question
Which of the following matches the given data?
Transcribed Image Text:a)
b)
c)
d)
Expert Solution
Step 1
Data of 1 H nmr is given as :
A molecule give these signals -4.2 (q, 2 H) ,1.3 (s, 9 H) , 1.1(t, 3 H)
formula for number of signal for H atoms attached to a carbon atom = n+1 where n is no of hydrogen of adjacent carbon atom .
suppose : CH is the hydrogen of which signal is to be calculated is attached to adjacent C having 2 H then the CH will give triplet signal i.e 3
values of signals :
Step 2
the structure which satisfy all the conditions and values is :
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