Which of the following reagent(s) can be used to prepare benzoic acid (Ph-CO_ H)

Question

Which of the following reagent(s) can be used to prepare benzoic acid (Ph-CO_ H) from toluene ? Fe/H_2SO_4 CH_3 COOH KMnO_4 NBs/H_2O HNO_3/H_2SO_4 Intermediate in the S_N 1 mechanism is a carbonium ion free - radical carbanion carbon with 5-bonds a primary carbon Transition state in the S_N 2 mechanism is a primary carbon free-radical carbon ion carbon with 5 bonds carbanion Which of the following reagent(s) gives the reaction below CH_3Br HBr Br_2/CCl_4 NBS/CCl_4 CH_3Br/FeBr_3 Formula of aniline is: C_6H_5OH C_6H_5NH C_6H_5NH_2 C_6H_5NH_3 C_ H_ NO_2 The rate of S_N I is proportional to: Base concentration RX concentration Nucleophile concentration RX and Nucleophile concentrations leaving group concentration The most likely mechanism for the reaction: S_N 1 SN 2 E1 E2 E1_cn An allowed number of pi electrons for an aromatic compound is: 2 5 8 12 16 Which of the following is the best leaving group F- Cl- Br- I- -OH

Explanation / Answer

Options.

2) C) KMnO4

3) A) Carbonium ion

4) D) carbon with 5-bonds

5) D) NBS/CCl4

6) C) C6H5NH2

7) B) RX concentration

8) D) E2

9) A) 2

10) D) I-

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