Arrange Ce3+, La3+, Pm3+, and Yb3+ in increasing order of their ionic radius –
What would happen when a solution of potassium chromate is treated with an excess of dilute nitric acid -
The radius of La3+ is 1.06 Å, which of the following given values will be closest to the radius of Lu3+ (At no. of Lu = 71, La = 57) –
Cerium (Z = 58) is an important member of the lanthanoids. Which of the following statement about cerium is incorrect -
Excess of KI reacts with CuSO4 solution and then Na2S2O3 solution is added to it. Which of the statements is incorrect for this reaction -
Calomel on reaction with NH4OH gives –
The lanthanoid contraction is responsible for the fact that -
Lanthanoid contraction is caused due to –
Identify the incorrect statement among the following -
The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because
In context with the transition elements, which of the following statements is incorrect?
Knowing that the Chemistry of lanthanoids (Ln) is dominated by its +3 oxidation state, which of the following statements is incorrect ?
Iron exhibits + 2 and +3 oxidation states. Which of the following statements about iron is incorrect?