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MHT CET · Chemistry · Coordination Compounds

Which of the following salt contain interstitial water molecule in it?

  1. A \(\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{3+} .3 \mathrm{Cl}^{-}\)
  2. B \(\mathrm{CuSO}_{4} .5 \mathrm{H}_{2} \mathrm{O}\)
  3. C \(\left[\mathrm{Cu}\left(\mathrm{H}_{2} \mathrm{O}\right)_{2}\left(\mathrm{NH}_{3}\right)_{5}\right] \mathrm{Cl}_{2}\)
  4. D \(\mathrm{BaCl}_{2} .2 \mathrm{H}_{2} \mathrm{O}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\mathrm{BaCl}_{2} .2 \mathrm{H}_{2} \mathrm{O}\)

Step-by-step Solution

Detailed explanation

\(\mathrm{BaCl}_{2} \cdot 2 \mathrm{H}_{2} \mathrm{O}\)
Interstitial water molecules can be found in \(\mathrm{BaCl}_{2} \cdot 2 \mathrm{H}_{2} \mathrm{O}\) salt. Between the first and second solvation shells, water molecules are primarily trapped. It can be found in the crystal lattice's interstitial locations. Two interstitial water molecules in barium chloride dihydrate.