Which of the following is the correct structure for 3-methyl-1-butyne?
Practice Questions
Q1
Which of the following is the correct structure for 3-methyl-1-butyne?
CH3-CH2-C≡C-CH3
CH3-C≡C-CH2-CH3
CH3-CH-C≡C-CH3
CH3-CH2-CH-C≡C-H
Questions & Step-by-Step Solutions
Which of the following is the correct structure for 3-methyl-1-butyne?
Step 1: Understand the name '3-methyl-1-butyne'. The '1-butyne' part tells us that the main chain has 4 carbon atoms (butane) and a triple bond at the first carbon.
Step 2: The '3-methyl' part means there is a methyl group (which is a -CH3 group) attached to the third carbon of the main chain.
Step 3: Draw the main chain of 4 carbon atoms in a straight line. Label them as C1, C2, C3, and C4.
Step 4: Add a triple bond between C1 and C2, since '1-butyne' indicates the triple bond starts at the first carbon.
Step 5: Attach a methyl group (-CH3) to C3, which is the third carbon in the chain.
Step 6: Make sure the structure shows the triple bond and the methyl group clearly.
