Which of the following two elements in t...

Which of the following two elements in the periodic table are expected to combine in the most violent fashion?

A

H and O

B

Cl and F

C

Mg and N

D

Cs and F

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The correct Answer is:

D

Owing to large size and small first ionization energy per mole Cs reacts with most electronegative element F easily at room temperature.

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