Which of the following statements is/are true
A) Na₂Cr₂O₇ is more soluble in water than K₂Cr₂O₇
B) K₂Cr₂O₇ is used as a primary standard in volumetric analysis
C) Both Na₂Cr₂O₇ and K₂Cr₂O₇ are strong oxidizing agents
D) The chromates and dichromates are inter convertible in aqueous solutions depending upon pH of solutions

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A and D

All the above

A and B

B and C

answer is D.

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Detailed Solution

A)Na₂Cr₂O₇ is more soluble in water than K₂Cr₂O₇
B) K₂Cr₂O₇ is used as a primary standard in volumetric analysis
C) Both Na₂Cr₂O₇ and K₂Cr₂O₇ are strong oxidizing agents
D) The chromates and dichromates are inter convertible in aqueous solutions depending upon pH of solutions