21. Rank the following dienes from the most stable to the least stable. H₂C=C=C A) || > | > ||| B) II > III>1 III T C) III > >| D) I > III > || 22. Which of the following statements is correct for the Diels-Alder reaction. A) The Diels-alder reaction requires diene in S-trans conformation. B) Electron donor substituents on dienophile will increase the rate of the reaction. C) Electron donor substituents on diene will decrease the rate of the reaction. D) Electron withdrawing substituents on dienophile will increase the rate of the reaction.

Primary reaction product

Complete the table of reactants and products below and identify the limiting reactant.

Name these organic compounds: Η Η Η Η Η Η ||| C=C=C-H ||| Η Η Η Η Η II H — C =C=C=C=C - H ||||| Η structure Η Η Η Η Η Η H H Η Η Η | Η ||| H – C – C =C=C=C=C=CH ||||||| Η Η Η Η Η Η Η name Π Π Π

Q1. Consider the following reaction: 2 KMnO4(aq) + 3 H₂SO4(aq) + 5 H₂O2(aq) Complete the table below (answers must be values with proper signs and units). A[H₂SO4)/At -0.156 mol L ¹5-1 ->> Δ[02]/ΔΙ 0.260 mol L¹ s1 K₂SO4(aq) + 2 MnSO4(aq) + 8 H₂O(1) + 5 02(aq) A[KMnO4]/At Reaction Rate -0.104 mal L'5" 0.052 MOLL'S!

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