AIIMS2019Chemistry-Chemical Reactions

AIIMS 2019 Chemistry Reaction Rates MCQ Question

Type: MCQ-conceptual-Medium-Class 12

In processing of steel which of the following allotropes of carbon is used.

A

Carbon black

B

Charcoal

C

Coke

D

Graphones

Correct Answer

Option C

Detailed Explanation

Chlorine (Cl₂) reacts more slowly with nitric acid (HNO₃) due to the formation of a stable chlorine dioxide (ClO₂) intermediate, which inhibits further reaction. Additionally, nitric acid is a strong oxidizing agent, and the competition between oxidation and reduction reactions can slow down the overall reaction rate. Other options are not applicable as they do not provide relevant information or alternative explanations regarding the reaction kinetics of chlorine with nitric acid. Understanding the role of intermediates and reaction mechanisms is crucial in predicting the behavior of chemical reactions.

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