Which of the following is a good electrophile? a. ethanol, CH_3CH_2OH b. nitrate

Question

Which of the following is a good electrophile? a. ethanol, CH_3CH_2OH b. nitrate ion, NO_3^- c. nitronium ion, NO_2^+ d. benzoic acid, C_6H_5COOH Which one of the following should you avoid at the end of the lab? a. Dump broken glassware to the glass waste container. b. Return reagents and equipment to the proper place and leave the lab clean for the next class c. Make sure all hot plate/stirrers have been turned off. d. Dump methanol or acetone into the strong acid waste bottle. Which ion below is not likely to act as an electrophile? a. I^+ b. NO_2^+ c. (CH_3)_3C^+ d. Br^-

Explanation / Answer

3. NO2+ has a possitive charge.it accepts electron pair. so it is electrophile

5. Br- it has -ve charge . it donates electron pair . so it act as nucleophile

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