Kc for is x×10−16litre1/2mol−1/2, 12N2(g)+12O2(g)+12Br2(g)⇌NOBr(g) Given that, 2NO(g)⇌N2(g)+O2(g); Kc1=2.4×1030 NO(g)+12Br2(g)⇌NOBr(g); Kc2=1.4litre1/2mol−1/2] 100x is__________.
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Solution
2NO(g)⇌N2(g)+O2(g) ......(1). Kc1=2.4×1030 NO(g)+12Br2(g)⇌NOBr(g) ......(2) Kc2=1.4litre1/2mol−1/2] Divide first reaction with 2. NO(g)⇌12N2(g)+12O2(g) ......(3). Subtract third reaction from second. 12N2(g)+12O2(g)+12Br2(g)⇌NOBr(g) ......(4) Kc3=√Kc1=√2.4×1030=1.549×1015. Kc4=Kc2Kc3=1.4litre1/2mol−1/21.549×1015=9.03×10−16litre1/2mol−1/2=x×10−16litre1/2mol−1/2 x=9.03 100x=903.