An alkali is titrated against an acid with methyl orange as indicator, which of the following is a correct
combination?
A. `{:("Base","Acid","End point"),("Strong","Strong","Pink to colourless"):} `
B. `{:("Base","Acid","End point"),("Weak","Strong","Colourless to pink "):} `
C. `{:("Base","Acid","End point"),("Strong","Strong","pinkish red to yellow"):} `
D. `{:("Base","Acid","End point"),("Weak","Strong"," yellow to pinkish red "):} `
