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Chemistry
The d-Block and f-Block Elements
CBSE
Class 12
Chemistry
Class 12 - Chemistry
The d-Block and f-Block Elements
MCQ
Q&A
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1.
When acidified K
2
Cr
2
O
7
solution is added to Sn
2+
salts, Sn
2+
changes to
a.
Sn
b.
Sn3+
c.
Sn4+
d.
Sn+
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