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Q.

Among the statements(I-IV), the correct ones are

(I) ‘Be’ has smaller atomic radius compared to ‘Mg’

(II) ‘Be’ has higher ionization enthalpy than ‘Al’

(III) Charge/radius ratio of ‘Be’ is greater than that of ‘Al’

(IV) Both ‘Be’ & ‘Al’ form mainly covalent compounds

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An Intiative by Sri Chaitanya

a

I,II and III

b

I,III and IV

c

I,II and IV

d

II,III and IV

answer is A.

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Detailed Solution

detailed_solution_thumbnail

Charge/radius ratio of Be and Al is same because of diagonal relationship. Remaining statements are correct.

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