An important industrial polymer is called polyethylene oxide (also called polyethylene glycol). It is made by adding

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An important industrial polymer is called polyethylene oxide (also called polyethylene glycol). It is made by adding a tiny amount of hydroxide ion (from NaOH) to ethylene oxide. They react via the following mechanism:

H 8+ H: OF

(a) Why is the C in ethylene oxide labeled as δ+ (what is the justification for doing this)?

(b) Why does the hydroxide ion “attack” the δ+ carbon atom?

(c) The arrows show how electron pairs move. What is the fate of the hydroxide ion lone pair of electrons at the starting end of the blue arrow? What is the fate of the bonding electron pair in the C—O bond of ethylene oxide at the starting end of the blue arrow?

(d) Where does the negative charge end up?

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Introductory Chemistry Atoms First

ISBN: 9780321927118

5th Edition

Authors: Steve Russo And Michael Silver

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