All of the following structures have a molecular mass of 72. Arrange in order of

Question

All of the following structures have a molecular mass of 72. Arrange in order of highest b.p. to lowest b.p. CH_3CH_2CH_2CH_2CH_3 (CH_3)_4C CH_3COCH_2CH_3 CH_3CH=CHCH_2OH D > C > A > B C > D > A > B C > B > D > A What is the stereochemical relationship between the following molecules? They are: identical enantiomers conformers diastereomers Of the following, which is the reagent of choice for this transformation? LIAIH_4 10% Aqueous KOH/heat H_2PO_4/heat B_2H_4 The less stable chair conformation of trans-3-methyl-tert-butylcyclohexane has: an axial methyl group and equatorial tert-butyl group an axial tert-butyl group and equatorial methyl group both alkyl groups in axial positions both alkyl group in equatorial positions Which of the following reactions does not yield 2-bormobutane? 1-butene + HBr (with peroxides) 1-butene + HBr (no peroxides) 2-butene + HBr (with peroxides) 3-butene + HBr (no peroxides) Th first step in the acid catalyzed dehydration of an alcohol to yield an alkene is: loss of OH^+ group to form a carbocation loss of water to form a carbocation protonation of the -OH group to a form a protonated alcohol loss of a proton from the alcohol to form a carbocation

Explanation / Answer

6) The correct order of boiling point is D> C > A > B

7) Both are identical

8) Dehydration reagent = option (c)

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