did I answer these questions correctly? 13. (5 pts) How many different sets of p

Question

did I answer these questions correctly?

13. (5 pts) How many different sets of peaks (a doublet would be 1 set of peaks for example) should be present in the 'H NMR spectrum of the following molecule? C. d. 5 e. None of the above 14. (5 pts) Given that the reactivity for monochlorination of an alkane is 5.0:3.5: 1.0 (3°:2:19), what will be the percent of each product A, B? Cl Cl Cl2 CH3_CH-CH3 CH3-C-CH3 + CH,-CH-CH3 H3C H3C H3C a, 75%, 25% b. 56%,44% 83%, 17% d) 36%, 64% e. None of the above 9 '

Explanation / Answer

13. The answer is correct. You will get 3 sets of signals in the proton NMR as you labeled for three sets i.e. A, B and C.

14. The answer is wrong. It is because product A is the result of chlorination of 30 radical and B is the result of 10 radical. Hence the ratio would be for product formation 5:1.

Hence, % of A = 5/(5+1) *100 = 83%, %B = 1/(5+1) * 100 = 17%

Hence the correct option is (c).

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