Some Basic Concepts of Chemistry - Result Question 78

####16. Among the following, the species in which the oxidation number of an element is +6

(2000)

(a) MnO4

(b) Cr(CN)63

(c) NiF62

(d) CrO2Cl2

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Solution:

  1. Given, initial strength of acetic acid =0.06N

Final strength =0.042N;

Volume =50mL

Initial millimoles of CH3COOH=0.06×50=3

Final millimoles of CH3COOH=0.042×50=2.1

Millimoles of CH3COOH adsorbed =32.1=0.9mmol



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