Chapter 9, Problem 66QAP

Interpretation Introduction

Interpretation:

From the given set of statements, the true statement/s needs to be determined.

Concept introduction:

The temperature above which gas cannot be liquefied by pressure alone is called as critical temperature. The pressure which is required to liquefy the gas at its critical temperature is called as critical pressure.

Triple point is defined as the temperature at which all phases of water such as gas, liquid, and solid occur at equilibrium. The solid form of water occurs at the temperature below the triple point.

Hydrogen bonding can be defined as the weak bond between two molecules which results from attraction between proton of one molecule and electronegative atom in another molecule.

Face-centered cubic is defined as the cubic lattice of fcc is equivalent to every eight corners of the structure.

The relation between edge length and atomic radius for fcc crystal is given by the following formula-

$r_{fcc}=\frac{\sqrt{2}s}{4}$

The structure which has lattice points at every eight corners and an atom centered in the cube is called as body-centered cubic.

The relation between edge length and atomic radius for bcc crystal is given by the following formula-

$r_{bcc}=\frac{\sqrt{3}s}{4}$