Options for first blank: water,
acetone, tetrachloromethane
Options for second blank: enhance the sample's stretches, not visible on the sample spectrum, only in the fingerprint region
Homework Answers
The IR spectrum of a solid can be taken up by dissolving it to create a solution . An appropriate solvent is tetrachloromethane(CCl4) because it's IR stretches are only in the fingerprint region.
CCl4 is used as a solvent in IR spectroscopy since most of the solid compound soluble in this solvent and almost transparent in the important absorption region of the IR spectrum and only absorbs at around 800 cm-1.
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Options for first blank: water,
acetone, tetrachloromethane
Options for second blank: enhance the sample's stretches, not...
1st blank options: one step / multiple steps 2nd blank options: at the same time /...
1st blank options: one step /
multiple steps
2nd blank options: at the same time / before / after
3rd blank options: slower / faster
4th blank options: decreased crowding / increased entropy /
increased carbocation stability
Question 6 Status: Not yet answered Points possible: 1.00 The SN2 mechanism occurs in one step with the nucleophile attacking at the same time, the leaving group leaves. Therefore, unsubstituted electrophiles react Choose... than substituted electrophiles due to the Choose...
1st blank options: equal to / less than / greater than 2nd blank options: not reacting...
1st blank options: equal to /
less than / greater than
2nd blank options: not reacting completely / acting as an
electrophile / becoming fully protonated
3rd blank options: reprotonating the phenol / not reacting
completely / acting as the nucleophile
Question 5 Status: Not yet answered Points possible: 1.00 In a Williamson ether synthesis, you start by adding a base like methoxide to deprotonate a phenol so the deprotonated phenolate can act as a nucleophile. The moles of base...
Possible Solutions Total Cost of eliminating 2 units of pollution The options for the first fill in the blank (Firm X) are: $295, $120, $215, $320. The options for the second fill in the blank (Firm...
Possible Solutions
Total Cost of eliminating 2 units of
pollution
The options for the first fill in the blank (Firm X) are: $295,
$120, $215, $320.
The options for the second fill in the blank (Firm Y) are:
$1250, $800, $1850, $1500
The options for the third fill in the blank (Firm Z) are: $180,
$250, $230, $100
The options for the forth fill in the blank are: $1490, $2420,
$1625, $1645
Firm X
Firm Y
Firm Z
Initial pollution...
1st blank options: one step /
multiple steps
2nd blank options: at the same time / before / after
3rd blank options: slower / faster
4th blank options: decreased crowding / increased entropy /
increased carbocation stability
Question 6 Status: Not yet answered Points possible: 1.00 The SN2 mechanism occurs in one step with the nucleophile attacking at the same time, the leaving group leaves. Therefore, unsubstituted electrophiles react Choose... than substituted electrophiles due to the Choose...
1st blank options: equal to /
less than / greater than
2nd blank options: not reacting completely / acting as an
electrophile / becoming fully protonated
3rd blank options: reprotonating the phenol / not reacting
completely / acting as the nucleophile
Question 5 Status: Not yet answered Points possible: 1.00 In a Williamson ether synthesis, you start by adding a base like methoxide to deprotonate a phenol so the deprotonated phenolate can act as a nucleophile. The moles of base...
Possible Solutions
Total Cost of eliminating 2 units of
pollution
The options for the first fill in the blank (Firm X) are: $295,
$120, $215, $320.
The options for the second fill in the blank (Firm Y) are:
$1250, $800, $1850, $1500
The options for the third fill in the blank (Firm Z) are: $180,
$250, $230, $100
The options for the forth fill in the blank are: $1490, $2420,
$1625, $1645
Firm X
Firm Y
Firm Z
Initial pollution...
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