CHEM 343 Quiz 3 1 Which of the following would have unpaired electrons in its molecular orbital diagram 1 a 3 b 4 c 2 4 3 2 d 1 and 4 e 1 2 and 3 2 Which of the following would have degenerate orbitals 1 4 3 2 a 1 and 2 b 2 and 3 c 3 and 4 d 1 and 4 3 Put the following in order of increasing acidity of the hydrogen shown in bold H H H H 1 a 2 1 3 H 2 b 3 2 1 3 c 1 3 2 d 2 3 1 4 Which is the most likely outcome of the reaction below HBr a Br b c Br Br d Br 5 Which of the following molecules is planar O 1 5 a 2 4 and 5 b 1 2 4 and 5 c 1 3 4 and 5 d 1 2 3 4 and 5 6 The molecule below is a aromatic b antiaromatic c neither d cannot be determined 7 Select the correct statement regarding the molecule below N a The nitrogen is sp2 hybridized with a lone pair occupying an unhybridized p orbital b The nitrogen is sp2 hybridized with a lone pair occupying an sp2 hybridized orbital c The nitrogen is sp hybridized with a lone pair occupying an unhybridized p orbital d The nitrogen is sp3 hybridized with a lone pair occupying an sp3 hybridized orbital 8 Put the following molecules in order of increasing basicity a 1 2 3 N H N H N H 1 2 3 b 2 3 1 c 3 1 2 d 1 3 2 9 Select the correct statement regarding the molecule below a The lowest energy unoccupied orbital contains three nodes b The molecule contains unpaired electrons c The molecule is neither aromatic nor antiaromatic d The highest energy orbital contains eight nodes 10 The best way to prepare for the upcoming exam is a Re write your notes several times b Do as many practice problems as possible c Play molecular orbital diagram Twister d Ask yourself what would Walter White do
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