Subject: Physical Chemistry · Chapter: Solid State Chemistry · Topic: Band Theory · Exam: NET JUNE 2011 · Marks: 2 · Difficulty: Medium
A one-dimensional crystal of lattice dimension 'a' is metallic. If the structure is distorted in such a way that the lattice dimension is enhanced to '2a'.
(a)The electronic structure remains unchanged.
(b)The width of conduction band decreases and a band gap is generated.
(c)The width of conduction band increases
(d)The width of the conduction band remains unchanged