The correct formula for the complex ion with general formula F e x ( C 12 H 8 N 2 ) y 2 x + , should be found out when the graph relevant for continuous variation method which was drawn using the spectrometer readings obtained from formed colored complex at each volume percentage of F e 2 + is given. Concept introduction: The continuous variation method can be used to get exact molar ratio of reactant. Here they have noted the change of concentration of complex ion with the volume of Fe 2 + ion solution. But total volume of mixture of two solutions always remains constant.

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Chapter 4, Problem 4.92PAE

Interpretation Introduction

Interpretation: The correct formula for the complex ion with general formula Fex(C12H8N2)y2x+, should be found out when the graph relevant for continuous variation method which was drawn using the spectrometer readings obtained from formed colored complex at each volume percentage of Fe2+ is given.

Concept introduction:

The continuous variation method can be used to get exact molar ratio of reactant. Here they have noted the change of concentration of complex ion with the volume of Fe²+ ion solution. But total volume of mixture of two solutions always remains constant.

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