Multiple choice

Which of the following statement is FALSE?

  1. Hydration enthalpy of BeSO4 is less than its lattice enthalpy.

  2. BF3 is a Lewis acid.

  3. Boric acid is an insecticide.

  4. Pyrex is a borosilicate.

  5. Borazine is a compound of boron and hydrogen.

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A Correct answer
Explanation

The hydration enthalpy of BeSO4 is higher than the lattice enthalpy. Be2+ is very small. Hence, its hydration enthalpy is greater than its lattice enthalpy.