Question

Which of the following properties does not define a
crystalline solid?
(a) When cut into pieces, have irregular surface
(b) Isotropic in nature
(c) Anisotropic in nature
(d) Both (a) and (b)​

Answer 1

Answer:

Anisotropic in nature

Answer 2

Explanation:

Benzene is the archetypical aromatic compound. It is planar, bond angles=120º, all carbon atoms in the ring are sp2 hybridized, and the pi-orbitals are occupied by 6 electrons. The aromatic heterocycle pyridine is similar to benzene, and is often used as a weak base for scavenging protons. Furan and pyrrole have heterocyclic five-membered rings, in which the heteroatom has at least one pair of non-bonding valence