Q.

Astatine is the element below iodine in the group VIIA of the periodic table. Which of the following statements is not true for astatine?

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a

It is less electronegative than iodine.

b

It will exhibit only -1 oxidation state.

c

Intermolecular forces between the astatine molecules will be larger than that between iodine molecules.

d

None of these.

answer is B.

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Detailed Solution

It has d- and f-orbitals so it can show higher positive oxidation states with highly electronegative fluorine and oxygen. 

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