Question

radius ratio of KF is 0.98 the structure of f is of type a) NaCl(b)
ZnS (c)CsCl ​

Answer 1

Answer:

Here is your answer

A pH indicator is a halochromic chemical compound added in small amounts to a solution so the pH of the solution can be determined visually. Hence, a pH indicator is a chemical detector for hydronium ions or hydrogen ions in the Arrhenius model.

Answer 2

Given:

The radius ratio of KF is 0.98.

To find:

The structure of KF solid

Solution:

Since the radius ratio for KF is: 0.98

⇒ 0.732 ≤ radius ratio of KF ≤ 1

Therefore, the cations would occupy the cubical voids, and hence according to the radius ratio rule: the compound will have cubic structure.

We know, the structure of the following compounds  :

• CsCl: cubic

• NaCl: octahedral

• ZnS: tetrahedral

Answer:

The structure of KF is: cubic, similar to CsCl, hence the answer is: (c) CsCl