Question

Statement 1: If a strong acid is added to a solution of potassium chromate it changes its colour from yellow to orange.
Statement 2: The colour change is due to the oxidation of potassium chromate.

• A. If both Statement 1 and Statement 2 are true and the statement 2 is the correct explanation of the statement 1.
• B. Ifboth Statement 1 and Statement 2 are true but statement 2 is not the correct explanation of the statement 1.
• C. If Statement 1 is true but Statement 2 is false.
• D. If Statement 1 is false but Statement 2 is true.

Answer 1

Answer: (C)

$\underset{yellow}{2CrO^{2-}_{4}} \xrightarrow{H^{+}} \underset{orange}{Cr_{2}O^{2-}_{7}}$
$Cr$ in $+6$ state.