Chemistry questions
29404 published questions with worked solutions.
- The property of a substance due to presence of unpaired electrons is called
- Solid Iodine ( I_2 ) is an example ofNot in JEE Main or NEET syllabus
- In a molecular crystal the forces holding together the atoms within a given molecule are.
- A single substance that exists in two or more forms is called.
- Which type of crystal should be softest and have lowest melting point?Not in JEE Main or NEET syllabus
- The number of tetrahedral sites per sphere in ccp structure isNot in JEE Main or NEET syllabus
- Due to Frenkel defect the density of ionic solidNot in JEE Main or NEET syllabus
- A substance which has face-centred cubic crystal has a density of 2.16 g ,cm^ -3 and the edge length of unit cell equal to 564...Not in JEE Main or NEET syllabus
- A solid AB has the NaCl structure. If the radius of the cation is 100 pm then the radius of the anion B isNot in JEE Main or NEET syllabus
- The close-packed layers in the face centred cubic unit cell are perpendicular toNot in JEE Main or NEET syllabus
- The major binding force of diamond is
- Mettalic gold crystallizes in body centred cubic lattice. the co-ordination number of gold is ….Not in JEE Main or NEET syllabus
- The unit cell of an element having atomic mass 100 and density 9.732 g ,cm^ -3 is a cube with edge length 300 pm, the structure...Not in JEE Main or NEET syllabus
- An ionic crystal lattice has r^+/r^- radius ratio of 0.524. its coordination number isNot in JEE Main or NEET syllabus
- Which of the following dimensions represents a hexagonal unit cell?Not in JEE Main or NEET syllabus
- Graphite is aNot in JEE Main or NEET syllabus
- The number of ZnS formula units in a unit cell of zinc sulphide is ….Not in JEE Main or NEET syllabus
- The fraction of volume occupied in a face centred cubic unit cell isNot in JEE Main or NEET syllabus
- The major binding force in graphite is
- The packing efficiency for a body centred cubic structure isNot in JEE Main or NEET syllabus