Quiz 3-solutions - Version 350 – Quiz 3 – laude...

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Unformatted text preview: Version 350 – Quiz 3 – laude – (50995) 1 This print-out should have 8 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 5.0 points Predict the electron arrangement in IF + 4 . 1. tetrahedral 2. trigonal planar 3. octahedral 4. linear 5. trigonal bipyramidal correct 6. pentagonal bipyramidal Explanation: There are five regions of electron density (including one lone pair) around the central atom: I F b b b b b b F b b b b b b F b b b b b b F b b b b b b b b + 002 5.0 points Which of the following has bond angles of 180 ◦ ? 1. HO − 2 2. I − 3 correct 3. NH − 2 4. ClO − 2 5. O 3 Explanation: Only I − 3 is linear. 003 5.0 points In the compound C 2 H 6 , the number of sigma and pi bonds, respectively, is 1. 2; 6. 2. 6; 0. 3. 6; 1. 4. 6; 2. 5. 7; 0. correct Explanation: C 2 H 6 has 7 single bonds, 1 C C single bond and 6 C H single bonds. A single bonds is a sigma bond so there are 7 sigma...
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Quiz 3-solutions - Version 350 – Quiz 3 – laude...

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