An oxidation state of Cr in K2Cr2O7
...An oxidation state of Cr in K2Cr2O7
7
6
5
4
Correct answer is B
The oxidation state of K2Cr2O7 is +6. option A,C,D are the oxidation state of other elements like O7,C14, etc.
\(+2 + 2x + (-2\times7) =0\)
\(2x=12\)
\(x = +6\)
If an organic compound decolorizes bromine water then the compound is? ...
Which of the following statements is INCORRECT?...
\(^{226}_{88}Ra\) → \(^x_{86}Rn\) + alpha particle...
On exposing palm wine to air for some days, it becomes sour owing to the conversion of ...
Which of the following compounds would not give a precipitate with ammoniacal AgNO3 solution?...
Cellulose and starches can be classified as one of the following? ...
Which of the following equimolar solutions would have the highest conductivity? ...