CHE 108: Introduction to Organic Chemistry Question 1:Structure of 3-Methylpentane.
Organic Chemistry Question: Draw The Structure of 3-Methylpentane.
Steps To Draw the Structure Of 3-Methylpentane.
The first Step to follow is to : Single out the #parent chain.
The prefix "pent-" shows that the molecule has five carbons. The parent chain is therefore pentane.
Step 2 : Add the substituent. The prefix "3-methyl" shows that there is a methyl group on the *third carbon of the parent chain. Add a methyl group (-CH3) to the third carbon of pentane.
Step 3: Draw the complete structure.
The full structure of 3-methylpentane is: CH3-CH2-CH(CH3)-CH2-CH3 This molecule has five carbons in a straight chain, with a methyl group attached to the third carbon.
Note-:It is important to *number the carbon atoms in the parent chain starting from the end that gives the substituent the *lowest possible number.
In this case, numbering from left to right gives the *methyl group the number 3, which is lower than numbering from right to left.
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