(i) (a) Following is the schematic alignment of magnetic moments : (5 marks)
What type of magnetism is shown by this substance ?
(b) What type of stoichiometric defect is shown by (i) KCl (ii) AgCl ?
(ii) An element with density 11.2 g cm–3 forms a fcc lattice with edge
length of 4 10–8 cm. Calculate the atomic mass of the element.
(NA = 6.02 1023 mol–1)
Concept Videos :-
Concept Questions :-
(i) a) Antiferromagnetism (1 mark)
(b) i) Schottky defect ii) Frenkel Defect (1/2 +1/2 marks)
(ii) (1/2 mark)
z=4 (1/2 mark)
M=107.9 g/mol (1 mark)
Atomic mass= 107.9 u (1/2 mark)