Practice Exam1

Practice Exam1 - Practice Exam 1A CHM1046 Sections 21-27...

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Practice Exam 1A CHM1046 Sections 21-27 Spring 2008 Name:_____________________ Section:_____________________ Show all work where appropriate. Circle final answers. Use reasoning and critical thinking to complete problems. Don’t guess. Always ask yourself: “Does this answer make sense?” when you complete a calculation. Good Luck. Multiple Choice Questions: 5 Points Each. Write your final choice of answer in the blank provided. a Which of the following molecules is polar? Answer: ____________ A) ClF 3 B) AsF 5 C) XeF 4 D) SO 3 E) BF 3 What type of orbitals best describe the bond between the two oxygen atoms in peroxyacetylnitrate? Answer: _______________ A) sp 3 –sp 3 B) sp 2 –sp 2 C) 2px–2px D) sp–sp E) sp 2 –sp 3 How many sigma and how many pi bonds are present in H 3 C–CH=CH–CH 2 –OH? Answer: _______________ A) 13 sigma and 1 pi B) 14 sigma and 0 pi C) 12 sigma and 2 pi D) 12 sigma and 1 pi E) 4 sigma and 1 pi 4 What is the shape of BrO 4 ? Answer: _______________ A) tetrahedral B) seesaw C) square planar
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Practice Exam1 - Practice Exam 1A CHM1046 Sections 21-27...

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