Can the reaction 'Cr_2 O_7^(2-)+H_2 O harpoons 2 CrO_4^(2-)+2 H^+' be regarded as a redox reaction?

Sketch the structure of Cr_2O_7^2- In and CrO_4^2- ion.

If the formula mass of C r _(2) O _(7) ^( 2-) ion is M, then in the reaction Cr _(2) O _(7) ^( 2-) + 14 H ^(+) + 6 e ^(-) to 2 Cr ^(3+) + 7 H _(2) O, The equivalent mass of Cr _(2) O _(7) ^(2-) is

In the reaction of F_2 and H_2O water act as_________.

Which of the following equation represent oxidation, reduction reaction? Identify each oxidising agent and each reducing agent. a) K O H+H_2 O_2 rarr K H O_(2+)H_2 O b) Cr_2 O_7^(2-)+2 OH^- rarr 2 CrO_4^(2-)+H_2 O c) K+O_2 rarr K_2 O d) Ca(HCO_3)_2 rarr CaCO_3+CO_2+H_2 O

Predict whether the following reaction is a redox reactions or not? Justify. Cr_2O_7^(2-) +H_2Orarr 2CrO_4^(2-)+2H^(+)