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BITSAT 2017
Exam
BITSAT
Year
2017
Subject
Chemistry
Chapter
s Block Elements

BITSAT 2017 · Chemistry · s Block Elements

Sodium sulphate is soluble in water but barium sulphate is...

Sodium sulphate is soluble in water but barium sulphate is insoluble because

Options

  1. Ahydration energy of Na2SO4{Na}_{2}{SO}_{4}& is more than of its lattice energy
  2. Blattice energy of BaSO4{BaSO}_{4} is more than its hydration energy
  3. CBoth (a)( a ) and (b)( b )
  4. DNone of the above

Correct answer

C. Both (a)( a ) and (b)( b )

Step-by-step solution

For any solution to become soluble in water hydration energy of the solution should me more than its lattice energy. Here& the hydration energy of sodium sulphate is more than lattice energy but& in case of barium sulphate lattice energy of barium sulphate is more than its hydration energy. &

For dissolution hydration energy must be more higher (−ve)( - ve ) value than of lattice energy. Thus, (c) is the correct answer.

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