Q.

Statement I : BeO is the only amphoteric  oxide fomed by  2nd group elements
Statement II : Helium is the element with highest-IP in the Periodic table

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a

Statement - I is correct and statement - II is incorrect

b

Both statements I and II are correct

c

Statement - I is incorrect and statement - II is correct

d

Both statements I and II are incorrect

answer is A.

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Detailed Solution

I) BeO > MgO > CaO > SrO > BaO …. Basic strength . BeO is amphoteric.
II) Noble gases – Highest IP in the  periodic table.
In 18th group  He > Ne > Ar > Kr > Xe > Rn -----IP

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