Question

Distinguish between substitution and interstitial solid solution

Answer 1

Substitutional Solid Solution

1) This type of reaction occurs when the solute atom is larger than solvent atom

2) The solute atom replaces the solvent atom in the crystal latex.

3) Cu- Ni is an example of substitutional Solid Solution.

Whereas,

Interstitial Solid Solution

1) This type of reaction occurs when the solute atom is equal to or slightly smaller than the solvent atom.

2) The solute atom occupies an interstitial position in the crystal latex.

3) An example of interstitial solid solution is carbon in iron.

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Answer 2

Substitutional and interstitial solid solutions are two types of solid solutions, which are solid alloys composed of two or more elements.

Substitutional solid solutions:

• Involve replacement of atoms of one element by atoms of another element in the crystal lattice.
• The size of the substituting atom must be similar to the size of the atom being replaced.
• Examples: Stainless steel, bronze.

Interstitial solid solutions:

• Involve inserting small atoms into the interstitial sites (vacancies) of a crystal lattice.
• The inserted atoms are much smaller than the host atoms.
• Examples: Iron-carbon (steel), aluminum-copper.

In summary:

• Substitutional solid solutions: atoms of one element replace atoms of another element in the crystal lattice.
• Interstitial solid solutions: small atoms are inserted into interstitial sites (vacancies) of a crystal lattice.

To learn more about interstitial solid solution from the given link.

https://brainly.in/question/43665323

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