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Among the mono-brominated products obtained in a radical chain-reaction of pent-

ID: 812461 • Letter: A

Question

Among the mono-brominated products obtained in a radical chain-reaction of pent-2-ene with NBS, what is the IUPAC name of the major product? (Z)-4-bromopent-2-ene (E)-4-bromopent-2-ene (Z)-1 -bromopent-2-ene (E)-1 -bromopent-2-ene QUESTION 5 10 points Rank the molecules below in terms of their oxidation level, with the least oxidized labeled 1, and the most oxidized labeled 4. QUESTION 3 For the molecule on the left in the transformation below, which reagent would be used to replace the -OH group with a -Cl group (instead of a Br group)? QUESTION 1 How many constitutional monochloride isomers will form in the radical-chain chlorination of 2-methylbutane? QUESTION 2 A Grignard reagent is generated with magnesium metal, as shown above. In the process, the alkyl bromide changes from an ____ to a nucleophile; electrophile electrophile; nucleophile radical; ionic species enol; ketone ionic species; radical acid: base

Explanation / Answer

1) 4

2) radical,ionic species

3) SOCl2

4) (E) - 4 - bromopent - 2ene

5)

                1-D

                2-C

                3-A

                4-B

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