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Questions  

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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By Expert Faculty of Sri Chaitanya
a
MSO4
b
M2(SO4)3
c
M2SO4
d
M3(SO4)2

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detailed solution

Correct option is B

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


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The ionization potential values of an element are in the following order I1 < I2 <<<< I3 <I4 < I5 the element is a/an

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