The oxidation state of sulphur on H2SO4 acid is...
The oxidation state of sulphur on H2SO4 acid is
-4
+6
4
-8
Correct answer is B
In SO4. The state of oxygen oxidation number is -2. Options A,C,D do not belong to the oxidation state in SO4
The two ions responsible for hardness in water are ...
Atom 23488Q decay by alpha emission to give an atom R. The atomic number and mass number...
The following transition metal ions would be coloured in aqueous solution except________? ...
If an equilibrium reaction has ΔH > 0, the reaction will proceed favourably in the forward ...
Which of the following compounds and elements would sublime on exposure to the atmosphere? ...
The reaction between hydrogen and iodine may be represented by the equation H2(g)+ I2(g) → 2HI(...
A metal that can be extracted from cassitertite is ...
If 50 cm3 of a saturated solution of KNO3 at 40 °C contained 5.05 g of the salt, i...