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pls solve the 5th ques and explain too that how the answer came. related to organic chemistry

pls solve the 5th ques and explain too that how the answer came. related to organic chemistry

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Grade:12th pass

1 Answers

Vanshika Govindani
55 Points
2 years ago
Correct answer is option 4.
 
First we have to select longest and most substituted carbon chain:
 
 
second do the numbering of markets chain:
 
So , there are two ethyl groups at 3rd position and 4 methyl groups at 2nd and 4th position, 
 
Following alphabetical order 3,3 diethyl comes first in the name. Principle chain (red marked chain) is 5 membered so pentane will come at last in the name.
 
Final compound name is 3,3 Diethyl- 2,2,4,4- tetramethylpentane. 
 

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