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Magazine Chapter 13: Q13-39E (page 419)
Predict the splitting pattern for each kind of hydrogen in isopropyl propanoate,.
Short Answer
Peaks produced are:
One singlet
Two quartet
Three septate
Four doublet
Step by step solution
Step-by-Step SolutionStep 1: Non-Equivalent and Equivalent proton
The proton which is having a different environment and all protons give different peaks is the non-equivalent proton whereas the proton sharing the same environment and all protons giving the same singles or peaks are the equivalent protons.
Signal production
All equivalent proton produces a single signal and all the non-equivalent proton produces a separate signal for each proton.
Signal splitting
As the signal is produced by the proton is divided into subparts like 1H atom produce multiplet due to the different environment
If a methyl group is surrounded by other methyl groups produces a doublet.
Or some produce quartet signal.
The signal splitting of compound A
As per the molecule shown below the carbon represented by 1 produces a triplet due to methyl having three hydrogens.
Carbon is represented by two produce quartets because two hydrogens of methylene share different environments.
Carbon is represented by three produce septet due to 1 hydrogen share by 2 methyl groups.
Carbon represented by four produces doublet due to the six hydrogen.
Given Compound
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