[" Q4) what is the effect of pH on the solution "],[" of "K_(2)Cr_(2)O_(7)?]

What is the effect of increasing pH on the colour of K_(2)Cr_(2)O_(7) solution ?

If K_(2)Cr_(2)O_(7) is source of Cr_(2)O_(7)^(2-) , what is the normality of solution containing 4.9 g of K_(2)Cr_(2)O_(7) in 0.1 litre of solution?

What is the effect of increasing pH on K_2Cr_2O_7 solution?

What is the effect of increasing pH on K_2Cr_2O_7 solution?

If K_(2)Cr_(2)O_7 is source of Cr_(2)O_7^(2-) , what is the normality of solution containing 4.9 g of K_(2)Cr_(2)O_7 in 0.1 litre of solution ?

Dichromate ion in acid solution oxidizes stannous ion as: 3Sn^(2+)+14H^(+)+Cr_(2)O_(7)^(2-)rarr3Sn^(+)+2Cr^(3+)+7H_(2)O (a) If SnCl_(2) is the source of Sn^(2+) , how many g of SnCl_(2) would be contained in 2 "litre" of 0.1N solution? (b) If K_(2)Cr_(2)O_(7) is the source of Cr_(2)O_(7)^(2-) , what is the normality of solution containing 4.9 g K_(2)Cr_(2)O_(7) in 0.1 "litre" of solution?