Enthalpies of atomisation of Zn and Cu, choice of acid in permanganate titration, redox equation
Автор: Cracking BSc & 12th Chemistry
Загружено: 2025-09-19
Просмотров: 456
Описание:
Answer the following questions: I. Are the enthalpies of atomisation of Zinc (339 kJ/mol) and Copper (130 kJ/mol) matched correctly? II. Which acid, H₂SO₄ or HCl, is preferred for permanganate titrations and why? III. Complete the reaction: 5NO₂⁻ + 2MnO₄⁻ + 6H⁺ →
Are the enthalpy values of atomisation for Zinc (339 kJ/mol) and Copper (130 kJ/mol) correctly given?
Out of sulphuric acid and hydrochloric acid, which one is suitable for KMnO₄ titrations and explain why?
Complete and balance the given redox equation: 5NO₂⁻ + 2MnO₄⁻ + 6H⁺ → ?
Justify whether Zn and Cu atomisation enthalpy values are matched correctly in the given data.
For permanganate titration, which acid is more appropriate, H₂SO₄ or HCl, and give a reason?
#PhysicalChemistry
#Thermochemistry
#Atomisation
#Titration
#redoxreactions
#12toBScChemistry
@12toBScChemistry
BY PRATYUSH SIR
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