A) 530 g, 9403.34 kJ
B) 570 g, 9408.34 kJ
C) 500 g, 9402.27 kJ
D) 520 g, 9435.21 kJ
Correct Answer: B
Solution :
\[{{C}_{12}}{{H}_{22}}{{O}_{11}}\,\,\,+12\,\,{{O}_{2}}\xrightarrow{{}}12C{{O}_{2}}+11\,{{H}_{2}}O;\] \[12\times 12+1\times 22\,\,\,12\times 16\times 2\,\,\,\,{{\Delta }_{C}}H=-5645\,\,kJ\]\[mo{{l}^{-1}}\] \[+11\times 16=342=384\] \[\because \] 384 g of \[{{O}_{2}}\] converts = 342 g of sugar \[\therefore \]640 g of \[{{O}_{2}}\] will convert \[=\frac{342\times 640}{384}\] = 570 g of sugar. Again, \[\because \,342\,g\]of sucrose evolves heat = 5645 kJ \[\therefore \,570\,g\] of sucrose will evolve heat \[=\frac{5645\times 570}{342}\] = 9408.33 kJYou need to login to perform this action.
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