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Q.

Ionization potential is the minimum amount of energy needed to remove the outermost electron from the gaseous isolated atom. Its unit is eV/atom or kJ/mol. Successive ionization energy is the amount of energy needed to remove electron successively rom a gaseous ion, it may be termed as I.E.2, I.E.3,.. . The difference in the values of I.E.1 , I.E.2 helps to determine electronic configuration of the elementsWhich of the elements can make MX type compound (X is the halogen)?The order of ionic mobility in aqueous solution of the following ions will be (If R, S belong to same group):Of the following four elements which represents an inert gas ?

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a

P

b

Q

c

R

d

S

e

R(aq)2+>S(aq)2+

f

S(aq)2+>R(aq)2+

g

S(aq)2+=R(aq)2+

h

can not be co-related

i

P

j

Q

k

R

l

S

answer is , , .

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Detailed Solution

Q-Element which has one e- in outermost shell (Alkali metal)                       (large difference between I.E.2 and I.E.1) Size of =R>S (due to large I. E.1 of S)  Size of =R(g)2+>S(g)2+ Size of = R(aq)2+>S(aq)2+ Mobility = R(aq)2+>S(aq)2+Element P is an inert gas.as it has highest I.P1 among the given
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