Choose the correct option:
Statement: For the preparation of acids by the double displacement reaction method, the salt of that desired acid reacts with another acid.
Reason: For the same reactants, a change in temperature can change the products.

Both statement and reason are true and the reason is the correct explanation.

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Both statement and reason are true but the reason is not the correct explanation.

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Statement is true but the reason is false.

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Statement is false but the reason is true.

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Solution

The correct option is B Both statement and reason are true but the reason is not the correct explanation.
Statement 1. For the preparation of acid by the double displacement reaction method, the salt of that desired acid reacts with another acid.
$N a N O_{3} + H_{2} S O_{4} (a q) \to N a_{2} S O_{4} (a q) + H N O_{3} (a q)$

Statement 2. For the same reactants, a change in temperature can change the products.
$N a C l (s) + H_{2} S O_{4} (a q) \to N a H S O_{4} (a q) + H C l (a q) [a t < 200^{0} C]$
$2 N a C l (s) + H_{2} S O_{4} (a q) \to N a_{2} S O_{4} (a q) + 2 H C l (a q) [a t > 200^{0} C]$

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Similar questions

Choose the correct option for the following given statements.

Statement 1: Acids can be tasted.

Statement 2: Acids are sweet in taste.

N a C l

C u (N O_{3})_{2}

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