Predict the correct statement and correct the wrong one.
The oxidation number of Fe in `Fe(CO)_5` is +3

Predict the correct statement and correct the wrong one. In a redox reaction the oxiding agent gains electrons.

Predict the correct statement and correct the wrong one. In a chemical reaction, oxidation is always accompanied by reduction.

Predict the correct statement and correct the wrong one (i) In an exothermic reaction the equilibrium shifts towards right with increase in teperature .

The statement that is not correct for the periodic classification of elements is-

Which of the following statement is correct about the properties of cathode ray.