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Unformatted text preview: Version 178/ACDAC Quiz 5 Lyon (52635) 1 This print-out should have 7 questions. Multiple-choice questions may continue on the next column or page find all choices before answering. 1 2 3 4 5 6 7 AA AB AC AD BA BB BC 8 9 10 BACK NEXT BD CA CB CC CD Be sure to select E for enter after you have determined the version number of your quiz is correct in your box. DO NOT select enter if your version number is incorrect after you entered the code. If the version number is incorrect, keep entering your code until you have the correct sequence of letters in the code and the correct version number appears, then select enter to view question 1. 001 10.0 points Which of the following is unable to form a co- ordinate covalent bond with a hydrogen ion? 1. Cl- 2. H 2 O 3. NH 3 4. OH- 5. NH + 4 correct Explanation: The hydrogen ion is electron deficient (it is essentially a proton with no electrons). To form a coordinate covalent bond, the hydro- gen ion needs to bond to a species that will donate both electrons to the covalent bond. Draw the Lewis structure for all the species given as possible answers. Note that the am- monium ion is the only species without an unshared pair of electrons; and therefore, it cannot form a coordinate covalent bond with...
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This note was uploaded on 03/15/2010 for the course CH 52645 taught by Professor Lyon during the Spring '10 term at University of Texas at Austin.
- Spring '10