PORTAGE LEARNING EXAM ms ms
Exam Solution ms
Chapter 21 Reagents Cartes 2026 A+ GRADE ASSURED
ms ms ms ms ms ms ms ms
COMPLETE SOLUTIONS AND VERIFIED ANSWERS (817 ms ms ms ms ms
64)
QUESTION 1 ms
[H30+], Br2 ms
ANSWER
Alpha-
Bromination Can be used to install a bromine at the T position of a ketone or aldehyde. Subsequent
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms m
treatment of resulting alpha-bromoketone with pyridine gives beta-unsaturated ketone. This two-
s ms ms ms ms ms ms ms ms ms ms
step process can be used to introduce a beta-unsaturated into a ketone or aldehyde.
ms ms ms ms ms ms ms ms ms ms ms ms ms
QUESTION 2 ms
1. Br2, PBR3 2. H20
ms ms ms ms
ANSWER
Hell-Volhard-
Zelinsky Reaction These reagents can be used to install a bromine atom at the alpha position of a ca
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
rbocyclic acid. ms
QUESTION 3 ms
1) NaOH, Br2 2) H3O+
ms ms ms ms
ANSWER
Haloform Reaction These reagents can be used to convert a methyl ketone into a carboxylic acid. Th
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
is process is most efficient when the other alpha position (of the staring ketone) bears no protons
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
QUESTION 4 ms
NaOH, H20 ms
Exam Solution ms
Chapter 21 Reagents Cartes 2026 A+ GRADE ASSURED
ms ms ms ms ms ms ms ms
COMPLETE SOLUTIONS AND VERIFIED ANSWERS (817 ms ms ms ms ms
64)
QUESTION 1 ms
[H30+], Br2 ms
ANSWER
Alpha-
Bromination Can be used to install a bromine at the T position of a ketone or aldehyde. Subsequent
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms m
treatment of resulting alpha-bromoketone with pyridine gives beta-unsaturated ketone. This two-
s ms ms ms ms ms ms ms ms ms ms
step process can be used to introduce a beta-unsaturated into a ketone or aldehyde.
ms ms ms ms ms ms ms ms ms ms ms ms ms
QUESTION 2 ms
1. Br2, PBR3 2. H20
ms ms ms ms
ANSWER
Hell-Volhard-
Zelinsky Reaction These reagents can be used to install a bromine atom at the alpha position of a ca
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
rbocyclic acid. ms
QUESTION 3 ms
1) NaOH, Br2 2) H3O+
ms ms ms ms
ANSWER
Haloform Reaction These reagents can be used to convert a methyl ketone into a carboxylic acid. Th
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
is process is most efficient when the other alpha position (of the staring ketone) bears no protons
ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms ms
QUESTION 4 ms
NaOH, H20 ms