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18 Nov 2019
In which of the following ions does carbon have a formal charge? [(CH_3)_4 N]^+ [CH_3CO_2]^- [CH_3OH_2]^+ III II I None of the above Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. CH_2CH_3 CH_3 H CH(CH_3)_2 IV > I > II > III I > II > IV > III IV > II > I > III III > II > I > IV Which of the following molecules are chiral? I. 2-Chlorobutane II. 3-Bromopentane III. 1-Bromo-2-methylpropene IV. 2-Bromo-3-methylbutane I, IV II, III III, IV I, II Which of the following statements about addition reactions is true? Two pi bonds are broken. Two pi bonds are formed. One pi bond is formed. Two sigma bonds are formed.
In which of the following ions does carbon have a formal charge? [(CH_3)_4 N]^+ [CH_3CO_2]^- [CH_3OH_2]^+ III II I None of the above Rank the following groups in order of decreasing priority according to the Cahn-Ingold-Prelog system. CH_2CH_3 CH_3 H CH(CH_3)_2 IV > I > II > III I > II > IV > III IV > II > I > III III > II > I > IV Which of the following molecules are chiral? I. 2-Chlorobutane II. 3-Bromopentane III. 1-Bromo-2-methylpropene IV. 2-Bromo-3-methylbutane I, IV II, III III, IV I, II Which of the following statements about addition reactions is true? Two pi bonds are broken. Two pi bonds are formed. One pi bond is formed. Two sigma bonds are formed.
Beverley SmithLv2
17 Jan 2019