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JEEMAIN and NEET
>>
Chemistry
>>
p-Block elements (Group-15 to Group-18)
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Q)
Which of the following reactions regarding the preparation of hydrogen halide is not correct?
C
a
F
2
+
H
2
S
O
4
Conc
→
C
a
S
O
4
+
2
H
F
N
a
C
l
+
H
2
S
O
4
(Conc)
→
N
a
H
S
O
4
+
H
C
l
N
a
B
r
+
H
2
S
O
4
→
N
a
H
S
O
4
+
H
B
r
P
I
3
+
3
H
2
O
→
H
3
P
O
3
+
3
H
I
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