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Chemistry
Chemistry
Problem
A white solid imparts a violet colour to a Bunsen flame. On being heated with concentrated
H
2
SO
4
\text{H}_2\text{SO}_4
H
2
SO
4
, the solid gives violet vapours that turns starch paper blue. The salt may be: a.
NaI
\text{NaI}
NaI
b.
KI
\text{KI}
KI
c.
CaBr
2
\text{CaBr}_2
CaBr
2
d.
MgI
2
\text{MgI}_2
MgI
2
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