Successive ionization potentials of an element ‘M’ are 8.3 , 25.1 , 37.9 , 259.3 and 340.1ev. The Formula of its bromide is

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MBr5

MBr4

MBr3

MBr2

answer is C.

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Detailed Solution

Sudden jump in 4th IP indicates the valency of the element is three ;M3+ Br-....MBr3 ;

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