1.

Which of the following statements is/are true A) Na_(2) r_(2), O_(7) is more soluble in water than K_(2)CR_(2)O_(7) B) K_(2)Cr_(2)O_(7) is used as a primary standard in volumetric analysis C) Both Na_(2)Cr_(2)O_(7) and K_(2) Cr_(2)O_(7) are strong oxidizing agents D) The chromates and dichromates are interconvertible in aqueous solutions

Answer»

A and B
B and C
A and D
All the above

Answer :D


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