What Substance Is Reduced in the Following Reaction?
4HCl $\rarr$ Cl₂ + 2H₂O + MnCl₂
A) Cl in HCl
B)

question 22

Multiple Choice

What substance is reduced in the following reaction?
4HCl + MnO₂ $\rarr$ Cl₂ + 2H₂O + MnCl₂

• A) Cl in HCl
• B) Mn in MnO₂
• C) H in HCl
• D) O in MnO₂

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Definitions:

Principle of Conservation

A concept in child development discovered by Jean Piaget that states children learn that quantities remain consistent despite changes in their shape or arrangement.

Deduction

The logical process of deriving specific conclusions from general principles or premises.

Attachment

The emotional bond that forms between an individual, typically an infant, and another person, often a caregiver, which is critical for personal development.

Object Permanence

The awareness that entities remain in existence even if they are not perceived through sight, sound, or other sensory means.