Question

Organic Chemistry

Vocabulary:

i.) Oxidation in organic molecules involves: (select all that apply)

a.Gain of bonds to H

b.Gain of bonds to C

c.Gain of bonds to EN atoms

d.Loss of bonds to H

e.Loss of bonds to C

f.Loss of bonds to EN atoms

g.Gain of electrons

h.Loss of electrons

j.none of these

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ii.) Ring strain is made up of ____ and _______ strains.

______________________________________________________________

iii.)

In 1H NMR the __ tells the functional group present.

a.chemical shift

b.coupling

c. integration

In 1H NMR the __ tells how many neighbors are present within 3 bonds.

a. chemical shift

b. coupling

c. integration

______________________________________________________________

iv.)

Diastereomers ____ have the same bonds.

a. always

b. sometimes

c. never

Diastereomers ____ have the same chemical and physical properties.

a. always

b. only in a chiral environment, or with plane polarized light

c. never

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v. Rank the following by the amount of ring strain:

cyclohexane, cyclobutane, cyclopropane, cyclopentane

The most ring strain is: ______________

Then: ______________ has a lot of ring strain.

______________has minimal ring strain.

And______________has nearly no ring strain.

Answer 1

c Oxidation in Organic Chemistry involves : (1) Gain of bonds to EN atoms electronegative EN = (d) Loss bond to H (h) loss of electrons is made up of (0) Ring strains angle conformational strain and Prelog strain . strain 1 og In H NMR chemical shift tells the functional group present coupling tells how many neighbors sors are (iv) Diastereomerus sometimes have the In 'H NMR 3 bonds. present within same bonds

have the Diastreomers never saime chemical and physical properties, (V) Amount of ring strain in cyclohexane , cyclobutane, cyclopropane, A and cyclopentane Cyclobropone > Cyclobutame > Cyclopenten > Cyclo- hexane 120 > D108 560 Increase in ring strain shes The most eeing strain is yclopropane Then cyclobutane has a lot of ring strain Cyclopentane has minimalistings Raum nearly ring and strain yclohexane
Ring strain is made up of angle strain. Less the inner angle in the cyclic compound more will be the strain. Cyclic compound with carbon number more than seven will also experince ring strain.