1.

There are nine elements A to I. these are belongs to p-block element other than halogen. If atomic number of B is average of atomic number of A and C and atomic number of E is average of atomic number of D and F and atomic number of H is average of atomic number of G and I. atomic numbers of B, E and H are 7,15 and 83 respectively and atomic numbers of C, I and F are greater than A, G and D respectively. Q. The correct statement is:

Answer»

`+5` oxidation STATE of H is more stable than its +3 oxidation state.
`G^(2+)` is better oxidisng agent than `G^(4+)`
`+3` oxidation state of E is more stable than its +5 oxidation state
Ionisation energy of G is GREATER than that of "Tin".

SOLUTION :`Pb gt Sn` (Tin): `IE_(1)` (true)


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