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Copper in Rheumatoid Arthritis Treatment

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Copper in Rheumatoid Arthritis Treatment

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Questions and Answers

What is the reaction between copper and amino acids in sweat that makes copper effective in treating rheumatoid arthritis?

Formation of copper complexes through reaction with amino acids (correct)

Formation of copper oxide

Electrochemical reaction between copper and sweat

Redox reaction between copper and oxygen

What is the name of the complex formed between copper(II) sulphate and glycine in aqueous solution?

Cu(NH2CH2CO2)2

Copper glycinate

Glycine copper(II) complex

Bisglycinatocopper(II)hydrate (correct)

What is the role of the limiting reagent in a reaction?

It is the reactant that is not involved in the reaction

It is the catalyst that speeds up the reaction

It is the reactant that is present in excess

It is the reactant that determines the amount of product formed (correct)

What is the purpose of calcium gluconate in pharmaceuticals?

To treat calcium deficiency Signup and view all the answers

What is the name of the indicator used in complexometric titration?

Eriochrome black T Signup and view all the answers

What is the purpose of titration experiments?

To determine the concentration of a reactant Signup and view all the answers

What is the role of oxygen in the reaction between copper and amino acids in sweat?

It is necessary for the formation of copper complexes Signup and view all the answers

What is the correct formula for glycine?

NH2CH2CO2H Signup and view all the answers

How is the percentage yield of a reaction calculated?

Actual yield / theoretical yield x 100 Signup and view all the answers

What is the purpose of eriochrome black T in complexometric titration?

To act as an indicator to show the endpoint of the reaction Signup and view all the answers

What is the definition of a complex?

A molecule formed by the reaction of two or more substances Signup and view all the answers

What is the name of the compound formed by the reaction of calcium and gluconate?

Calcium gluconate Signup and view all the answers