List - I (Anionic part of silicate) List - II (Types of silicate) (P) ( Si 4 O 11 − 6 ) n (1) Cyclic (Q) ( SiO 3 − 2 ) n (2) Amphibole (R) ( Si 2 O 5 − 2 ) n (3) Sheet (S) ( SiO 2 )

Question

List - I (Anionic part of silicate) List - II (Types of silicate) (P) ( Si 4 ​ O 11 − 6 ​ ) n ​ (1) Cyclic (Q) ( SiO 3 − 2 ​ ) n ​ (2) Amphibole (R) ( Si 2 ​ O 5 − 2 ​ ) n ​ (3) Sheet (S) ( SiO 2 ​ ) n (4) Pyroxene (5) Tacto Select the CORRECT combination : -

TestHub · Accepted Answer

Silicates are classified by how SiO₄⁴⁻ tetrahedra link.

P: $(Si_{4} O_{11}^{- 6})_{n}$ represents amphibole (double chain).

Q: $(SiO_{3}^{- 2})_{n}$ represents pyroxene (single chain).

R: $(Si_{2} O_{5}^{- 2})_{n}$ represents sheet silicates.

S: $(SiO_{2})_{n}$ represents tectosilicates (3D network).

Therefore, the correct combination is P $\to$ 2, Q $\to$ 4, R $\to$ 3, S $\to$ 5.

List - I (Anionic part of silicate)	List - II (Types of silicate)
(P) $(Si_{4} O_{11}^{- 6})_{n}$	(1) Cyclic
(Q) $(SiO_{3}^{- 2})_{n}$	(2) Amphibole
(R) $(Si_{2} O_{5}^{- 2})_{n}$	(3) Sheet
(S) $(SiO_{2}) n$	(4) Pyroxene
	(5) Tacto

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