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Classify each of the following solids as...

Classify each of the following solids as ionic, metallic, molecular, network (covalent) or amorphous :
(a) Tetra phosphorus decoxide `(P_(4)O_(10))` (b) Graphite (c) Brass (d) Ammonium phosphate `(NH_(4))_(3)PO_(4)` (e) SiC (f) Rb (g) `I_(2)` (h) LiBr (i) `P_(4)` (j) Si (k) Plastic.

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The correct Answer is:
Ionic - LiBr, `(NH_(4))_(3) PO_(4)`; Metallic - Brass, Rb; Molecular `- P_(4)O_(10), I_(2), P_(4)`
Network - SiC. Graphite, Si, Amorphous - Plastic
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Classify each of the following solids as molecular, ionic, network (covalent), metallic or amorphous : (i) I_2 (ii) Tetraphosphorus decaoxide (P_4O_(10)) (iii) P_4 (iv) S_8 (v) Plastic (vi) Brass (vii) SiC (viii) Graphite (ix) Rb (x)Si (xi) Ammonium phosphate (xii) LiBr (xiii) Wax (xiv) Ice (xv) Solid CO_2 (xvi) Al (xvii) Naphthalene (xviii) CsCl (rir) Sugar (xx) SiO_2 , (xxi) Glass

What are the oxidation states of phosphorus in the following: (i) H_(3)PO_(3) , (ii) PCl_(3) , (iii) Ca_(3)P_(2) (iv) Na_(3)PO_(4) , (v) POF_(3)

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Identify which of them are polar and non-polar (a) HF (b) BeCI_(2) (c ) HgCI_(2) (d) NH_(3) (e) H_(2)O (f) N_(2) (g) AICI_(3) (h) C CI_(4) (i) CI_(2) (j) SiCI_(4) .

Number of acidic oxides among the following is: (a) N_(2)O (b) NO (c) N_(2)O_(3) (d) N_(2)O_(4) (e) N_(2)O_(5) (f) P_(4)O_(6) (g) P_(4)O_(10) (h) SO_(3) (i) B_(2)O_(3) (j) CO

How many of the following compounds has X-X bonds i.e., single covalent bond between two same elements in their molecules H_(4)P_(2)O_(6), H_(4)P_(2)O_(5), H_(4)P_(2)O_(7), N_(2)O, N_(2)O_(3), N_(2)O_(4), N_(2)O_(5) , (HPO_(3))_(3) .

State whether the following are ionic or covalent (a) CaH_(2) (b) MgO (c ) Na_(2)CO_(3) (d) NH_(4)CI (e) HCl (f) CaCl_(2) (g) Na_(2)S (h) SnCl_(2) (i) Diamond (j) CaC_(2) (k) NaH (i) C_(2)H_(2) .

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Which of the following molecules have both covalent and coordinate bonds ? a) O_(3) b) N_(2)O c) NH_(4)^(+) d) H_(2)O

Identfity molecular solide, covalent solid, ionic solid: P_(4)(s), S_(8)(s), SiC (s), Al_(2)O_(3)(s), He(s), Al_(2)Cl_(6)(s) .

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