Solid State and Solutions

Coordination number of Zn in ZnS (zinc blende) is

Coordination number of Zn in ZnS (zinc blende) is Options (a) 6 (b) 4 (c) 8 (d) 12 Correct Answer:…

Which of the following is not correct for ionic crystals

Which of the following is not correct for ionic crystals Options (a) They possess high melting point and boiling point…

The number of atoms per unit cell of bcc structure is

The number of atoms per unit cell of bcc structure is Options (a) 1 (b) 2 (c) 4 (d) 6…

A particular solid is very hard and has a very high melting point. In solid

A particular solid is very hard and has a very high melting point. In solid state it is a non…

The range of radius ratio (cationic to anionic) for an octahedral arrangement

The range of radius ratio (cationic to anionic) for an octahedral arrangement of ions in an ionic solid is Options…

Which one of the following is a molecular crystal

Which one of the following is a molecular crystal Options (a) Rock salt (b) Quartz (c) Dry ice (d) Diamond…

Which of the following statements about amorphous solids is incorrect

Which of the following statements about amorphous solids is incorrect Options (a) They melt over a range of temperature (b)…

The flame colours of metals ions are due to

The flame colours of metals ions are due to Options (a) Frenkel deffect (b) Schottky defect (c) Metal deficiency defect…

p-type silicon is formed by adding a minute amount of an element with

p-type silicon is formed by adding a minute amount of an element with Options (a) five valence electrons (b) three…

Copper metal crystallizes with a face centred cubic (fcc) lattice .It has

Copper metal crystallizes with a face centred cubic (fcc) lattice .It has a coordination number of Options (a) 4 (b)…