Match the list-I with list-II List-I: (A) Cis 2-butene, Trans 2-butene (B) Butanoic acid, Isopropyl metharoate (C) 1-butene, 2-butene (D) n-pentane, isopentane List-II: (P) Functional Isomer (Q) Stereoisomer (R) Position Isomer (S) Chain Isomer