A) write the ionization equation for HMr in aqueous solution B) explain what hap

Question

A) write the ionization equation for HMr in aqueous solution
B) explain what happens to the HMr equilibrium in a strong base giving a clear reason for explanation
C) calculate the Ka of methyl red

Explanation / Answer

A) write the ionization equation for HMr in aqueous solution HMr + OH- --> Mr- + H2O B) explain what happens to the HMr equilibrium in a strong base giving a clear reason for explanation when the HMr is taken is a strong base the reaction will shift towards the right hand side and therefore the concentration of Mr- ion increases in the solution. Therefore there will be a change in color of the soultion as soon as the Concentration of Mr- reaches a value of above 90% C) calculate the Ka of methyl red Ka = 10^(-5.1) = 7.94328235 × 10^-6

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