Assertion : $C u S O_{4} .5 H_{2} O$ has one hydrogen-bonded molecule of water. Reason: The four molecules of water are coordinated in $C u S O_{4} . 5 H_{2} O$ .

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
There is 5 crystal water present in $5 H_{2} O$ . There are five water molecule present in the crystal framework of the molecule among which 4 water molecules are attached to $C u^{+ 2}$ and 1 hydrogen-bonded molecule is attached to $S O_{4}^{2 -}$
$[C u (H_{2} O)_{4}]^{2 +} S O_{4}^{2 -} . H_{2} O$ .

The correct answer is option B.

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Q. Assertion: The compressibility factor for

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Assertion :CuSO4.5H2O has one hydrogen-bonded molecule of water. Reason: The four molecules of water are coordinated in CuSO4.5H2O.

Assertion : $C u S O_{4} .5 H_{2} O$ has one hydrogen-bonded molecule of water. Reason: The four molecules of water are coordinated in $C u S O_{4} . 5 H_{2} O$ .