\(ii)\) \(S + O _2 \longrightarrow SO _2 \quad \Delta H _{ ii }= y\)
\(iii)\) \(CS _2+3 O _2 \longrightarrow CO _2+ SO _2 \quad \Delta H _{\text {iii }}= Z\)
\(iv)\) \(C +2 S \longrightarrow CS _2\)
\(iv)\) \(=(i)+2 (ii) - (iii)\)
\(\Delta H = (?)\)
\(\therefore \Delta H=x+2 y-z\)
$(i)\,\,C\,({\rm{graphite}})\, + \,{O_2}{\kern 1pt} (g)\, \to \,C{O_2}\,(g);\,\Delta r{H^\circleddash} = x\,\,kJ\,mo{l^{ - 1}}$
$(ii)\,\,C\,({\rm{graphite}})\, + \,\frac{1}{2}{O_2}{\kern 1pt} (g)\, \to \,CO\,(g);\,\Delta r{H^\circleddash} = y\,\,kJ\,mo{l^{ - 1}}$
$(iii)\,\,CO\,(g)\, + \,\frac{1}{2}{O_2}{\kern 1pt} (g)\, \to \,C{O_2}\,(g);\,\Delta r{H^\circleddash} = z\,\,kJ\,mo{l^{ - 1}}$
ઉપરોક્ત, ઊષ્મારાસાયણિક સમીકરણો ના આધારે નીચેનામાંથી ક્યો બીજગણિતિક સંબંધ સાચો છે?