Q.30. Which of the following isomerisation is of the first order? (A) Cyclopropane → propane (B) cis-but-2-ene → trans-but-2-ene (C) Vinyl allyl ether → pent-4-enal (D) C H 3 N C → C H 3 C N Share with your friends Share 0 Ella Edward answered this B cis - but - 2 - ene ----> trans - but - 2 - ene 0 View Full Answer