An Unknown Compound,B,has the Molecular Formula C₇H₁₂

question 201

Multiple Choice

An unknown compound,B,has the molecular formula C₇H₁₂.On catalytic hydrogenation 1 mol of B absorbs 2 mol of hydrogen and yields 2-methylhexane.B has significant IR absorption band at about 3300 and 2200 cm^-1.Which compound best represents B?

• A)3-methyl-1-hexyne
• B)5-methyl-2-hexyne
• C)5-methyl-1,3-hexadiene
• D)5-methyl-1-hexyne
• E)2-methyl-1,5-hexadiene

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