Deduce the Identity of the Compound from the Data Provided

question 1

Multiple Choice

Deduce the identity of the compound from the data provided. C₇H₁₂: IR (cm^-1) : 3300,2950,2220; ¹³C NMR: 5 signals

• A)1,2-dimethylcyclopentene
• B)5-methyl-2-hexyne
• C)3,3-dimethyl-1-pentyne
• D)4,4-dimethyl-1-pentyne
• E)2,4-dimethyl-2-pentene