d and f BLOCK ELEMENTS

2411 practice questions with explanations

Page 172 of 483  ·  Q856–860
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856 Question 856

What is the geometry around the manganese atom in both MnO₄⁻ and MnO₄²⁻ ions?

857 Question 857

What is the color change observed at the endpoint of a titration using KMnO₄ as the titrant?

858 Question 858

In the reaction 10I⁻ + 2MnO₄⁻ + 16H⁺ → 2Mn²⁺ + 8H₂O + 5I₂, what is the coefficient of H₂O?

859 Question 859

What is the role of H⁺ ions in the reaction 5Fe²⁺ + MnO₄⁻ + 8H⁺ → Mn²⁺ + 4H₂O + 5Fe³⁺?

860 Question 860

What type of reaction is 2KMnO₄ → K₂MnO₄ + MnO₂ + O₂?

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