A second period element (E) shows a sudden jump between 5th and 6th ionization potential values. Formula of its chloride is
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a
ECl3
b
ECl4
c
ECl5
d
ECl2
answer is A.
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Detailed Solution
Sudden jump in 6th IP value indicates its valency is five.Formula of its chloride must be ECl5 but a second period element cannot show pentavalency.Thus the formula is ECl3.