4. Which of the following are good leaving groups? (Circle a that apply) eak bas

Question

4. Which of the following are good leaving groups? (Circle a that apply) eak bases Weak acids OH H2O Br F- H CH 2- HSO 4- 5. Which of the following are good nucleophiles? (Circle all that apply) KOH NaNH NaCN HO H2S Nal KOtBu 6. Which of the following reaction conditions will increase the ratio of substitution to eliminar products in a reaction of a halogenoalkane? (Circle all that apply) Primary halogenoalkane Tertiary halogenoalkane Aqueous solution High heat Low heat or questions 7 10, refer to the reactions outlined in the experimental procedure. 7. The Finkelstein Reaction is an example of a reaction. (Circle one) SN2 SN1 E2 E1 8. Predict the product (s) of the reactions for experiment B At reflux: At room temperature

Explanation / Answer

4) weak bases are strong leaving groups. stronger is acid weaker is the conjugate base and hence better is the leaving group

Ans- weak base, Br-, I-, HSO4-

HBr, HI and H2SO4 are strong acid and hence their respective conjugate bases ( Br-, I-, HSO4- ) are weak base.

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