Guignet's green is known as
- A$Cr_2O_3 \cdot 2H_2O$
- B$Fe_2O_3 \cdot 2H_2O$
- C$Cu_2O_3$
- D$FeCO_3 \cdot Cr_2O_3$
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An acidified manganate solution undergoes disproportionation reaction. The spin-only magnetic moment value of the product having manganese in higher oxidation state is $....\, B.M.$ (Nearest integer)
Mark the correct statements.
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On heating pyrolusite with $KOH$ in the presence of air,we get:
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View SolutionThe amphoteric oxide among $V_2O_3$,$V_2O_4$,and $V_2O_5$ upon reaction with alkali leads to the formation of an oxide anion. The oxidation state of $V$ in the oxide anion is:
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