Indicate the steps in the preparation of: (i) K_(2)Cr_(2)O_(7) from chromite ore. " " (ii) KMnO_(4) from pyrolusite ore.
Regarding 'All the wrong statement is
Regarding 'Al' the wrong statement is
Regarding 'Al' the wrong statement is
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
In the standardization of Na_2S_2O_3 using K_2Cr_2O_7 by iodometry, the equivalent weight of K_(2)Cr_(2)O_(7) is