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Question
Chemistry
List the hydrogen halide acids in decreasing order of reactivity in the following reaction R-OH + HX arrow RX + H2O
Q. List the hydrogen halide acids in decreasing order of reactivity in the following reaction
R
−
O
H
+
H
X
→
RX
+
H
2
O
2480
193
Alcohols Phenols and Ethers
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A
HBr > HI > HCI > HF
9%
B
HI > HBr > HCI > HF
74%
C
HI > HF > HBr > HCI
9%
D
HI > HCI > HBr > HF
8%
Solution:
The relative rate follows same order as of acidity
(
H
I
>
H
B
r
>
H
C
I
>
H
F
)
and the nucleophilicity of their conjugate anion.
X
i
I
′
>
B
r
′
>
CP
>
F
−