Write balanced equations for the reactions described in Table 18.13 for the production of Bi and Sb.
Table 18.13

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Element Nitrogen Phosphorus Electronegativity Source Method of Preparation 3.0 2.2 Air Phosphate rock 2Ca3(PO4)2+6SiO2- Ca(PO2 fluorapatite Cas(PO4FI Arsenopyrite Heating arsenopyrite in the FeAsz, FeS) absence of aii Stibnite (SbS) Roasting Sb S in air to form Liquefaction of air 6CaSiO, P4010 P 10CO Arsenic 2.2 Antimony 2.1 Sb2 and then reduction with carbon Bismuth Bismite (Bi203), Roasting BiS in air to form bismuth glanc Bi03 and then reduction Bi2S) with carbon