The indicator xylenol orange (Table 11 3) forms a complex with Zr(IV) in HCl solution Prepare a Job plot from the data in the table and suggest the stoichiometry of the complex (xylenol orange) x Zr z Table 11 3 Mole fraction Relative Mole fraction Relative xylenol absorbance at xylenol absorbance at orange Amax 550 nm orange Amax 550 nm 0 100 0 110 0 600 0 236 0 200 0 235 0 700 0 145 0 300 0 352 0 800 0 088 0 400 0 412 0 900 0 045 0 500 0 348

Question: The indicator xylenol orange (Table 11-3) forms a complex with Zr(IV) in HCl solution. Prepare a Job plot from the data in the table and

The indicator xylenol orange (Table 11-3) forms a complex with Zr(IV) in HCl solution. Prepare a Job plot from the data in the table and suggest the stoichiometry of the complex (xylenol orange)_xZr_z.

$Mole fraction Relative Mole fraction Relative xylenol absorbance at xylenol absorbance at orange Amax = 550 nm orange Amax = 550 nm 0.100 0.110 0.600 0.236 0.200 0.235 0.700 0.145 0.300 0.352 0.800 0.088 0.400 0.412 0.900 0.045 0.500 0.348$

Table 11-3

$Mole fraction Relative Mole fraction Relative xylenol absorbance at xylenol absorbance at$

Mole fraction Relative Mole fraction Relative xylenol absorbance at xylenol absorbance at orange Amax = 550 nm orange Amax = 550 nm 0.100 0.110 0.600 0.236 0.200 0.235 0.700 0.145 0.300 0.352 0.800 0.088 0.400 0.412 0.900 0.045 0.500 0.348

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