help please 5. For which reaction mechanisms SNI, SN2, E1, or E2 are each of the

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help please

5. For which reaction mechanisms SNI, SN2, E1, or E2 are each of the following statements ue? A statement may be true for one or more mechanisms 1. The mechanism involves carbocation intermediates. 2. The mechanism has two steps. E 3. The reaction rate increases with better leaving groups. A 4. The reaction rate increases when the solvent is changed from CH,OH to (CHs) S0 (aprotie SNI, E solvent). SN 5. The reaction rate depends on the concentration of the alkyl halide only. E 6. The mechanism is concerted. 7. The reaction of CH:CH2Br with NaOH occurs by this mechanism. 8. Tertiary (3°) alkyl halides react faster than 20 or 1° alkyl halides. 9. The reaction follows a second-order rate equation.S l mechanism for each reaction

Explanation / Answer

1. Both SN1 and E1

2. Both SN1 and E1

3. All mechanisms

4. Both SN2 and E2

5. Both SN1 & E1

6. Both SN2 & E2 are single step concerted mechanisms

7. E2, elimination with NaOH while SN2 with aqueous NaOH.

8. Both SN1& E1 due to the formation of more stable carbocation.

9. Both SN2 and E2 are bimolecular reactions and follows 2nd order kinetics.

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