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Name Date Which of the following represents a Newman projection of the C3-C4 bon

ID: 537621 • Letter: N

Question

Name Date Which of the following represents a Newman projection of the C3-C4 bond of3-bromo- 17. 4-methylhexane? (c) (a) CH2CH3 H2CH3 CH2CH3 CH2CH3 H2CHs 18. What would be the multiplic of the indicated proton in the 'H-NMR specrum? CH3 (b) 4 (c) 5 (d) 6 (a) 2 19. Which one of these is not comect about meso-compounds? (a) Each may or may not have two or more chirality centers. (b) Each must have a plane of symmetry. (c) Each must be achiral. (d) The compound and its mirror image must be superimposable.

Explanation / Answer

17. answer: b

18. answer: a ( multiplicity = no of adjacent c protons + 1)

19. answer: a

20. answer: a

21. answer: d

22. answer: b

23. answer: d

24. answer: a

25. answer: d

26 answer: a ( lowest pka value, results strong acid)