List - I List - II (P) Cubic (1) Most symmetrical (Q) Rhombohedral (2) Most unsymmetrical (R) Hexagonal (3) Cell parameter a  = b  = c (S) Monoclinic (4) None of the crystallographic angle is 9 0 ∘

Question

List - I List - II (P) Cubic (1) Most symmetrical (Q) Rhombohedral (2) Most unsymmetrical (R) Hexagonal (3) Cell parameter a  = b  = c (S) Monoclinic (4) None of the crystallographic angle is 9 0 ∘ (5) One crystallographic angle = 12 0 ∘

TestHub · Accepted Answer

Crystal system : Cubic : a = b = c , α = β = γ = 9 0 ∘ Trigonal (rhombohedral) : a = b = c , α = β = γ  = 9 0 ∘ Hexagonal : a = b  = c ; α = β = 9 0 ∘ , γ = 12 0 ∘ ] Monoclinic : a  = b  = c , α = γ = 9 0 ∘ , β  = 9 0 ∘

Chemistry - Solid State Question with Solution | TestHub

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Doubts & Discussion

List - I	List - II
(P) Cubic	(1) Most symmetrical
(Q) Rhombohedral	(2) Most unsymmetrical
(R) Hexagonal	(3) Cell parameter $a \neq = b \neq = c$
(S) Monoclinic	(4) None of the crystallographic angle is $9 0^{\circ}$
	(5) One crystallographic angle $= 12 0^{\circ}$