The I1,I2,I3,I4 values of an element ‘M’ are 120 kJ/mole , 600kJ/mole, 1000kJ/mole and 8000 kJ /mole. Then the formula of its sulphate is

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MSO4

M2(SO4)3

M2SO4

M3(SO4)2

answer is B.

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Detailed Solution

Sudden jump in 4th IP….element has three valence electrons ;Valency of the element = 3 ;M3+ SO42-.... M2SO43

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