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In the initial mixing of ascorbic acid powder, 1.5M H2SO4, and KBr, what role do these reagents play?
Options:
A) Catalysts
B) Solvents
C) Reactants
D) Buffers

Answer :

Final answer:

In the mixture of ascorbic acid, 1.5M H2SO4, and KBr, ascorbic acid and KBr are likely reactants, while H2SO4 can serve as both a reactant and a solvent. These reagents are not acting as catalysts, pure solvents, or buffers.

Explanation:

In the initial mixing of ascorbic acid powder, 1.5M H2SO4, and KBr, the reagents play different roles. Ascorbic acid is likely a reactant in the reaction, considering it is the substance being mixed with others. The 1.5M H2SO4 acts as both a solvent, because it dissolves the other substances, and potentially as a reactant if it participates in the chemical reaction. KBr could serve as a reactant as well, particularly if there is a reaction where bromide ions are needed. These reagents are not acting as catalysts because they are being consumed in the reaction. They are not acting purely as solvents because at least one of them is reacting. They also do not appear to be serving as buffers since the solution does not contain a weak acid or its conjugate base designed to resist changes in pH.

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