Exam1_Morning-answers_marking_key

Exam1_Morning-answers_marking_key - CHEM 2312 Jan. 28 2005...

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CHEM 2312 Jan. 28 2005 Exam1 Version1 NAME: Roll#: Section: . 1. (32 points) Circle the letter on the right which corresponds to the answer to each question. There is only one correct answer for each question. (i) Arrange the following free radicals in order of increasing stability (least stable to most stable). A . 3<2<1<4 B . 4<1<3<2 C . 4<1<2<3 D . 2<3<1<4 (ii) Which of the following dienes could not undergo a Diels-Alder reaction with an appropriate dienophile? (iii) Which compound below is aniline? OH H 3 C O NH 2 O CH 3 I J K L (iv) Aromatic compounds must have which of the following attributes? i. 4n pi electrons ii. 4n+2 pi electrons iii. a planar cycle of p-orbitals iv. a neutral charge v. only C and H M . i, iii N . ii, iii, iv, v O . ii, iii, iv P . ii, iii (v) How many p-orbitals combine to form the conjugated portion of the molecule to the right? Q . 2 R . 3 S . 6 T . 8 (vi) Which of the following is the thermodynamic product obtained upon treatment of 1,3-butadiene with one mole of HBr at elevated temperature?
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This note was uploaded on 08/11/2011 for the course CHEM 2312 taught by Professor Baron during the Spring '07 term at Georgia Tech.

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Exam1_Morning-answers_marking_key - CHEM 2312 Jan. 28 2005...

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