Question

Find the correct matches.

• A. \( A = R,\; B = S,\; C = P,\; D = Q \)
• B. \( A = S,\; B = R,\; C = P,\; D = Q \)
• C. \( A = R,\; B = Q,\; C = S,\; D = P \)
• D. \( A = S,\; B = R,\; C = Q,\; D = P \)

Hint:

For transition metal oxides, lower oxidation states are generally basic while higher oxidation states are acidic. Also, chromate and dichromate ions interconvert depending on pH.

Answer 1

The Correct Option is D