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Chemistry Question on Equilibrium

For the reaction 2P+Q ⇌ P_2Q, the rate of formation of P2Qis0.24P_2Q is 0.24 mol dm^{-3}s^{-1}$. Then the rates of disappearance of P and Q respectively are

A

-0.48moldm−3s−1mol dm^{-3}s^{-1} and -0.48 moldm−3s−1mol dm^{-3}s^{-1}

B

0.24 moldm−3s−1mol dm^{-3}s^{-1} and -0.48 moldm−3s−1mol dm^{-3}s^{-1}

C

-0.48moldm−3s−1mol dm^{-3}s^{-1} and -0.24 moldm−3s−1mol dm^{-3}s^{-1}

D

-0.12moldm−3s−1mol dm^{-3}s^{-1} and -0.24 moldm−3s−1mol dm^{-3}s^{-1}

E

-0.24 moldm−3s−1mol dm^{-3}s^{-1} and -0.12 moldm−3s−1mol dm^{-3}s^{-1}

Answer

-0.48moldm−3s−1mol dm^{-3}s^{-1} and -0.24 moldm−3s−1mol dm^{-3}s^{-1}

Explanation

Solution

The correct option is (C) : -0.48moldm−3s−1mol dm^{-3}s^{-1} and -0.24 moldm−3s−1mol dm^{-3}s^{-1}