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Tardigrade
Question
Chemistry
A white powder is insoluble in water, but soluble in conc. H 2 SO 4. On dilution the solid is reprecipitated but dissolves again on adding alkali. The white powder is
Q. A white powder is insoluble in water, but soluble in conc.
H
2
S
O
4
. On dilution the solid is reprecipitated but dissolves again on adding alkali. The white powder is
1237
216
The p-Block Elements
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A
S
n
O
B
S
n
O
2
C
P
b
O
2
D
M
n
O
Solution:
Correct answer is (b)
S
n
O
2