Problem 4.2 Write the following constitutional isomers a C7H16(alkanes) b. CaH 7H14(alkenes and cycloalkanes c C5H12o(alcohol and ethers d. CsHj00(aldehydes and ketones)Problem 4.2 Write the following constitutional isomers. a. C7 H16 (alkanes) b. C7 H14 (alkenes and cycloalkanes) c. C5 H12 O (alcohol and ethers) d. C5 H10 O (aldehydes and ketones)