Born- Hyber cycle below respesents the energy changes occurring as 298 K, jwhen MO(s) is formed from its elements, wherx x, y,z, a, b,c and d are enthalpy change elements, for corresponding pro0cesses respectively `DeltaH_("sub")"of" M=180kJ//mol` `I.E_(1)(M)=218kJ//mol` `I.E_(2)(M)=384kJ//mol` `DeltaH_("atomisation")"of" O_(2)=640kJ//mol``DeltaH(OrarrO^(-))=-142kJ//mol` `DeltaH(OrarrO^(-2))=-844kJ//mol` In terms of x,y,z,a,b, c and d enthalpy change for the reaction, `2M(s)+O_(2)(g)rarr2MO(s)`,is:A. `2x+2y+2z+2a+2b+2c+2d`B. `x+y+z+a+b+c+d`C. `2x+2y+z+2a+2b+2c+d`D. `2x+2y+2z+2a+2b+2c-2d`

Born- Hyber cycle below respesents the energy changes occurring as 298

1.	Born- Hyber cycle below respesents the energy changes occurring as 298 K, jwhen MO(s) is formed from its elements, wherx x, y,z, a, b,c and d are enthalpy change elements, for corresponding pro0cesses respectively `DeltaH_("sub")"of" M=180kJ//mol` `I.E_(1)(M)=218kJ//mol` `I.E_(2)(M)=384kJ//mol` `DeltaH_("atomisation")"of" O_(2)=640kJ//mol``DeltaH(OrarrO^(-))=-142kJ//mol` `DeltaH(OrarrO^(-2))=-844kJ//mol` In terms of x,y,z,a,b, c and d enthalpy change for the reaction, `2M(s)+O_(2)(g)rarr2MO(s)`,is:A. `2x+2y+2z+2a+2b+2c+2d`B. `x+y+z+a+b+c+d`C. `2x+2y+z+2a+2b+2c+d`D. `2x+2y+2z+2a+2b+2c-2d`
Answer» Correct Answer - a

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