Chemistry Question Bank

Which one of the following forms a molecular solid when solidified?

Which of the following is an example of ionic crystal solid

Diamond is an example of

Which of the following is an example of covalent crystal solid

Particles of quartz are packed by

Amorphous solids are

In graphite, carbon atoms are joined together due to

Crystalline solid is

A crystalline solid

Mostly crystals show good cleavage because their atoms, ions or molecules are

Among solids the highest melting point is established by

Which of the following is a molecular crystal

The number of atoms or molecules contained in one body centered cubic unit cell is

Right option for the number of tetrahedral and octahedral voids in hexagonal primitive unit cell are [NEET 2021]

Which type of defect present in NaCl ? (JIPMER 2019)

The number of tetrahedral and octahedral voids in a CCP array of 100 atoms are respectively (Kerala CEE 2014)

Which of the following does not show electrical conduction in its physical state ? (CBSE AIPMT 2013)

Schottky defect in crystals is observed when (RPMT 2010)

The property of crystalline solid is not (OJEE 2010)

Assertion No compound has both Schottky and Frenkel defects. Reason Both defects change the density of the solid. [AIIMS 2008]

Electrons in a paramagnetic compound are

Those substances which show permanent magnetism even in the absence of magnetic field are called

On the basis of their magnetic properties, substances can be classified into …A… categories. Here, A refers to

Identify the incorrect statement.

Doping of silicon (Si) with boron (B) leads to