A molecule with the formula 
has all it's elements from p-block.
Element A is rarest, monoatomic, non-radioactive from its group and has the lowest ionization enthalpy value among 
, 
and 
. Elements 
and 
have first and second highest electronegativity values respectively among all the known elements. The shape of the molecule is :
Text Solution
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Given A is rarest, monoatomic, non-radioactive p-block element and form 
type of molecule.
It is concluded that it is Xe
It is given the electronegativity of 
is less than 
& Y
It is given the electronegativity of 
is highest and second highest respectively among all element.
are F & O
Compound is consider as 
with square pyramidal shape.
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