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Which metal is the best reducing agent?(a) Mn(b) Al(c) Ni(d) Cr

Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro ISBN: 9780321910295 34

Solution for problem 75P Chapter 16

Introductory Chemistry | 5th Edition

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Introductory Chemistry | 5th Edition | ISBN: 9780321910295 | Authors: Nivaldo J Tro

Introductory Chemistry | 5th Edition

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Problem 75P

Which metal is the best reducing agent?

(a) Mn

(b) Al

(c) Ni

(d) Cr

Step-by-Step Solution:
Step 1 of 3

Answer :

A metal  is a material (an element, compound, or alloy) that is typically hard, opaque, shiny, and has good electrical and thermal conductivity. Metals are generally malleable—that is, they can be hammered or pressed permanently out of shape without breaking or cracking—as well as fusible (able to be fused or melted) and ductile (able to be drawn out into a thin wire). About 91 of the 118 elements in the periodic table are metals, the others are nonmetals or metalloids. Some elements appear in both metallic and non -metallic forms.

(a) Mn

Manganese is a chemical element with symbol Mn and atomic number 25. It is not found as a free element in nature; it is often found in minerals in combination with iron. Manganese is a metal with important industrial metal alloy uses, particularly in stainless steels.no manganese will not oxidise any thing

(b) Al

Metallic aluminum (Al) is of interest as a reducing agent because of its low standard reduction potential. However, its surface is invariably covered with a dense aluminum oxide film, which prevents its effective use as a reducing agent in wet-chemical synthesis.

(c) Ni

It is the good oxidising agent .

(d) Cr

It is a good reducing agent.

Conclusion :

Aluminium is the best reducing agent .

Step 2 of 3

Chapter 16, Problem 75P is Solved
Step 3 of 3

Textbook: Introductory Chemistry
Edition: 5
Author: Nivaldo J Tro
ISBN: 9780321910295

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Which metal is the best reducing agent?(a) Mn(b) Al(c) Ni(d) Cr