5) In the reaction of the following alcohol, what type of reaction is involved in the transformation? CH ن نہ ہے POCI pyridine SN1 SN2 C. E1 D. E2 E. an anti-Zaitzev elimination 6) Which of the following reagents can be used to prepare an aldehyde from a 1" alcohol? A. 1. DMSO/oxalyl chloride (COC); 2. (Et) N B. Na2Cr₂O₂/H₂SO/H₂O C. PCC/pyridine/CH₂Cl₂ NaOCI/acetic acid A, C, and D D. E.

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5) In the reaction of the following alcohol, what type of reaction is involved in the
transformation?
A.
B.
C.
D.
E.
OH
6) Which of the following reagents can be used to prepare an aldehyde from a 1° alcohol?
1. DMSO/oxalyl chloride (COCI)2 2. (Et)³N
POCI
pyridine
A.
B. Na2Cr₂O7/H₂SO4/H₂O
C. PCC/pyridine/CH₂Cl₂
NaOCI/acetic acid
D.
E.
A, C, and D
SN1
SN2
E1
E2
an anti-Zaitzev elimination
7) What is the major product of this reaction?
A BUDE
B.
H*
E.
MOCH,
OH
OH
££
OCH₂
A. was attached to a large molecule
CH₂OH
C. occurred in a polar protic solvent
D
D. was attached to a sulfonium ion
None of the above are true.
OH
8) SAM is a very good methylating agent in biological systems because the transferred methyl
group
was attached to a water-soluble molecule
OCH
OCH₂
OH
A & B
E
Transcribed Image Text:5) In the reaction of the following alcohol, what type of reaction is involved in the transformation? A. B. C. D. E. OH 6) Which of the following reagents can be used to prepare an aldehyde from a 1° alcohol? 1. DMSO/oxalyl chloride (COCI)2 2. (Et)³N POCI pyridine A. B. Na2Cr₂O7/H₂SO4/H₂O C. PCC/pyridine/CH₂Cl₂ NaOCI/acetic acid D. E. A, C, and D SN1 SN2 E1 E2 an anti-Zaitzev elimination 7) What is the major product of this reaction? A BUDE B. H* E. MOCH, OH OH ££ OCH₂ A. was attached to a large molecule CH₂OH C. occurred in a polar protic solvent D D. was attached to a sulfonium ion None of the above are true. OH 8) SAM is a very good methylating agent in biological systems because the transferred methyl group was attached to a water-soluble molecule OCH OCH₂ OH A & B E
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