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Question

Choose the correct statement from the followings

A
Water molecule can coordinate to metal ion to form complex compound.
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B
Water molecule can bond to oxygen to form oxo-anion.
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C
Water molecules can occupies interstitial sites in crystal lattice
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D
H2O is more reactive than D2O due to isotopic effect
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Solution

The correct options are
A Water molecule can coordinate to metal ion to form complex compound.
B Water molecule can bond to oxygen to form oxo-anion.
C Water molecules can occupies interstitial sites in crystal lattice
D H2O is more reactive than D2O due to isotopic effect
1. Water molecule can act as neutral ligands and coordinate to metal ions to form complex compounds like [Cr(H2O)]3.
2. Water molecule can make hydrogen bonding with oxygen atom to form oxyanions like CuSO4.5H2O
3. Water molecules can also occupies intertitial sites in some crystal lattice like BaCl2.2H2O
4. Water is more reactive than deuterated water because an extra neutron in hydrogen will increase the molecular weight and this make the molecule less reactive. This effect is known as isotopic effect.
Hence all the options are correct.

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