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ACS Organic Chemistry 2 Final Exam Actual Questions with correct Answers |Latest 2024/2025
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ACS Organic Chemistry 2 Final Exam Actual Questions with correct Answers |Latest 2024/2025
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ACS Organic Chemistry 2 Final Exam Actual__., __., __., __., __., __., __.,
Questions with correct Answers. __., __., __., __.,
What are examples of oxidizing agents?
__., __., Chromium (VI) reagents like__., __., __., __.,__., __., __., __., __., __.,
CrO3, K2Cr2O7, K2CrO4; and a manganese (VII) reagent (KMnO4).
__., __., __., __., __., __., __., __.,
Chromium reagents = acidic conditions
__., __., __., __.,
Manganese reagent = basic conditions
__., __., __., __.,
What is the effect of electron-
__., __., __., __., __.,
releasing groups attached to the carbonyl group?
__., __., __., __., __., __., __.,__., __., a diminished
__., __.,
positive charge on the carbon atom.
__., __., __., __., __.,
What is the effect of electron-
__., __., __., __., __.,
withdrawing groups attached to a carbonyl group?
__., __., __., __., __., __., __.,__., __., an intensified
__., __.,
positive charge on the carbon atom.
__., __., __., __., __.,
Which anhydrous chromium (VI) reagents can stop oxidation of primary
__., __., __., __., __., __., __., __., __., __.,
alcohols at the aldehyde stage?
__., __.,CrO3--2 pyridine (chromium trioxide-
__., __., __.,__., __., __., __., __.,
pyridine complex), PCC (pyridinium chlorochromate) and PDC (pyridinium
__., __., __., __., __., __., __., __.,
dichromate)
How can an aldehyde be protected?
__., __., __., __., __., __.,__., __., Using a diol and H+
__., __., __., __.,
What does permanganate do? (KMnO4, NaOH)
__., __., __., __., __., __.,__., Oxidizes aldehydes
__., __., __.,
and primary alcohols to carboxylic acids
__., __., __., __., __.,
, How can an acetal (being used as a protecting group) be hydrolyzed back
__., __., __., __., __., __., __., __., __., __., __., __., _
to it's original form?
_., __., H2O and H+ and heat
__., __., __.,__., __., __., __., __., __.,
At what frequency is an OH or NH bond in IR spec?
__., __., __., __., __., __., __., __., __., __., __., __.,__., 3400
__.,
At what frequency is a CH (sp3) bond in IR spec?
__., __., __., __., __., __., __., __., __., __., __.,__., 3000-2850
__.,
At what frequency is a CH (sp2) bond in IR spec?
__., __., __., __., __., __., __., __., __., __., __.,__., 3100-3000
__.,
At what frequency is a CH (sp) bond in IR spec?
__., __., __., __., __., __., __., __., __., __., __.,__., __.,3300
At what frequency is a C-C triple bond or C-
__., __., __., __., __., __., __., __., __.,
N triple bond in IR spec?
__., 2100
__., __., __., __., __.,__., __.,
At what frequency is C=O bond in IR spec?
__., __., __., __., __., __., __., __., __.,__., 1700
__.,
At what frequency is a C=C bond or aromatic C-
__., __., __., __., __., __., __., __., __.,
C bond in IR spec?
__., 1600
__., __., __., __.,__., __.,
At what frequency is an aromatic C-C bond in IR spec?
__., __., __., __., __., __., __., __., __., __., __.,__., 1500
__.,
At what frequency is carboxylic acid in IR spec?
__., __., __., __., __., __., __., __., __.,__., __.,1720 + a strong __., __., __., __.,
and broad band at 2500-3300
__., __., __., __.,
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