Assertion : $H_{4} P_{2} O_{7} + H_{2} O ⟶ 2 H_{3} P O_{4}$ Reason: Regarding structure of $H_{4} P_{2} O_{7}$ :
$H_{4} P_{2} O_{7}$ has two units of $H_{3} P O_{4}$ joined by (-O-) formed due to loss of water.

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

$H_{4} P_{2} O_{7} + H_{2} O \to 2 H_{3} P O_{4}$
Diphosphoric acid reacts with water to produce phosphoric acid. The reaction takes place in a boiling solution, in the presence of nitric acid.

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

Option A is correct.

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