Which is more basic, La(OH)3 or Lu(OH)3? Why?
Why is Ce4+ in aqueous solution is good oxidising agent.
Why do Zr and Hf exhibit similar properties?
Write any two uses of pyrophric alloys.
1)Pyrophoric alloys emit sparks when struck. Hence they are used in making flints for lighter.2) It used as sparking mechansim in lighter and vorious toys.
Why do transition metals show catalytic properties?
Write the formula of the compound in which the transition metal Mn is in +7 oxidation state.
Why do transition metals display variable oxidation series?
Explain why Cu(I) is diamagnetic and Copper(II) is paramagnetic.
What are transition elements? Discuss their magnetic properties.
Describe the oxidation states and variable valencies of elements of 3d series.
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