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17 Nov 2019
Which of the following has (have) the same electron configuration as Ne? Na^-, Mg^2+, O^2-, Mg^+ Na^- and O^2- Mg^2+ and O^2- Mg^+ and O^2- only Mg^2+ Which one of the following is the conjugate base of NH_3? NH_4^+ H^+ N^3- NH_2^- What can be said about the polarity of the C= bond? C and O have the same electronegativity; the bond is nonpolar the C=O bond is polar; the O atom bears a partial negative charge the C=O bond is nonpolar; the C atom bears a partial positive charge the C=O bond is polar; the C atom bears a partial negative charge Identify the condensed formula of the following structure: (CH_3)_2CHCHClCH(CH_3)_2 CH_3CH(CH_3)CHClCH(CH_3)_2 (CH_3)_2CHCHClC(CH_3)_3 (CH_3)_3CCHClCH(CH_3) Which one of the following has the largest acid equilibrium constant, k_a? CH_3CO_2H CHCl_2CO_2H CH_2ClCO_2H CCl_3CO_2H Which of the following molecules would you expect to have a dipole moment? CH_2Cl_2 CH_3Cl CCl_4
Which of the following has (have) the same electron configuration as Ne? Na^-, Mg^2+, O^2-, Mg^+ Na^- and O^2- Mg^2+ and O^2- Mg^+ and O^2- only Mg^2+ Which one of the following is the conjugate base of NH_3? NH_4^+ H^+ N^3- NH_2^- What can be said about the polarity of the C= bond? C and O have the same electronegativity; the bond is nonpolar the C=O bond is polar; the O atom bears a partial negative charge the C=O bond is nonpolar; the C atom bears a partial positive charge the C=O bond is polar; the C atom bears a partial negative charge Identify the condensed formula of the following structure: (CH_3)_2CHCHClCH(CH_3)_2 CH_3CH(CH_3)CHClCH(CH_3)_2 (CH_3)_2CHCHClC(CH_3)_3 (CH_3)_3CCHClCH(CH_3) Which one of the following has the largest acid equilibrium constant, k_a? CH_3CO_2H CHCl_2CO_2H CH_2ClCO_2H CCl_3CO_2H Which of the following molecules would you expect to have a dipole moment? CH_2Cl_2 CH_3Cl CCl_4
Jarrod RobelLv2
29 Jan 2019