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how can you obtain potass...
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medium
How can you obtain potassium dichromate from sodium chromate?
CBSE Class XII - 2024
CBSE Class XII
Updated On:
Jan 13, 2026
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Solution and Explanation
Potassium dichromate (K
2
Cr
2
O
7
) is synthesized from sodium chromate (Na
2
CrO
4
) via these reactions:
\r\r
\r
2Na
2
CrO
4
+ 2H
+
→ Na
2
Cr
2
O
7
+ 2Na
+
+ H
2
O
\r
Na
2
Cr
2
O
7
+ 2KCl → K
2
Cr
2
O
7
+ 2NaCl
\r
\r
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