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Statement-I: In aqueous solution, compounds of Eu+3 are good reducing agents.
Statement-II: Later members of Lanthanoids resemble aluminium in their chemical reactivity
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Correct option is C
I) ECe+4/Ce+3o is +1.74V. Ce+4 is a very strong oxidant in aqueous solution. But the rate of reactivity is very slow.II) EEu+3/Eu+20 is negative. Thus Eu+2 is a strong reductant in aqueous solution.III) Initial members of Lanthanoids resemble Calcium in their reactivity and later members resemble Aluminium in their reactivity.
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