Question
Which is the correct IUPAC name for
CH₃CH₂CH(CH₃)CH₂OH?Solution
Identify the longest carbon chain including the –OH (alcohol) group: The longest chain with the –OH group has 4 carbon atoms, so the parent chain is butanol. Number the chain starting from the end nearest to the –OH group: Numbering from the –OH side: Carbon 1 → CH₂OH Carbon 2 → CH₂ Carbon 3 → CH(CH₃) → methyl group on C-3 Substituent: A methyl group is attached to carbon 3. Therefore, the correct IUPAC name is: 3-methyl-1-butanol
Find the appropriate word.
In Argentina in 2014, people first discovered Titanosaurs, ______ are dinosaurs.
Fill in blank 1 with the appropriate word from the options.
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Select the most appropriate option for blank No. 4.
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Blank 27
Choose an appropriate word that fits the blank 200.
Alyssa Healy and her merry bunch will be the team that most squads, including old rival England, will be want to knock off the pedestal.
From the following select the appropriate word to replace number (49) in the above passage.
