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organic chemistry Which of the following is not a reduction reaction? a. b. c. d

ID: 491276 • Letter: O

Question


organic chemistry

Which of the following is not a reduction reaction? a. b. c. d. All of the above are reductions. e. None of the above is a reduction. Why are ketones less reactive than aldehydes? a. Ketones are more sterically hindered b. Ketones are less electron deficient due to donation from the two alkyl groups c. The statement is false; Ketones are more reactive than aldehydes. d. Both (a) Ketones are more sterically hindered and (b) Ketones are less electron deficient due to donation from the two alkyl groups. The^lH NMR spectrum of the alkyl bromide used to make the ylide to form a compound with with the molecular formula C_11H_14 is shown below. The 10p spectrum shown below is the proton NMR of the alkyl bromide and lower spectrum is the^13C NMR of the product. Which statement, if any, is true?

Explanation / Answer

Q.19, All reaction are reduction reaction becacause the reagent used are reducing agents. So option (d) is correct.

Q,20, Aldehyde are more reactive than ketone,because in keton the bulky groups are present so sterically hindered.but in aldehyde only small hydrogen atom is present so less steric inderence and also the carbonyl has partial positive charge due to electron donating nature of alkyl group.While in keton more positive charge due to presence of two alkyl group.