This document provides the question "Classify each of the following solids as ionic, metallic, molecular, network (covalent) or amorphous" and the answer which classifies (i) Tetra phosphorus decoxide (P4O10), (ii) Ammonium phosphate (NH4)3PO4, (iii) SiC, (iv) I2, (v) P4, (vi) Plastic, (vii) Graphite, (viii) Brass, (ix) Rb, (x) LiBr, (xi) Si into their respective solid state classifications of ionic, metallic, molecular, network covalent, or amorphous.

1. Class XII CHEMISTRY
Unit 1 SOLID STATE
NCERT EXERCISES QUESTION AND ANSWER
PGT CHEMISTRY
A.K.GUPTA
KENDRIYA VIDYALAYA SANGATHAN
ZONAL INSTITUTE OF EDUCATION AND TRAINING
BHBANESWAR
DIRECTOR
L.CHARI

2. Q 1.3-Classify each of the following solids as ionic, metallic, molecular, network
(covalent) or amorphous.
(i) Tetra phosphorus decoxide (P4O10) (ii) Ammonium phosphate (NH4)3PO4 (iii)
SiC (iv) I2 (v) P4 (vi) Plastic (vii) Graphite (viii) Brass (ix) Rb
(x) LiBr (xi) Si
Ans:
Ionic: Ammonium phosphate (NH4)3PO4 and LiBr
Metallic :Brass, Rb
Molecular: Tetra phosphorus decoxide (P4O10) , I2 , P4
Network covalent: Graphite, SiC, Si,
Amorphous: Plastic