The s-Block Elements

The s-Block Elements

Question

The correct statement for the molecule, CsI3 is 

  • It is a covalent molecules

  • It contains Cs+ and I3-

  • It contains Cs3+ and I- ions

  • It contains Cs+, I- and lattice I2 molecule

Answer

B.

It contains Cs+ and I3-

I3- is an ion made up of I2 and I- which  has linear shape
While Cs+ is an alkali metal cation.

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