$2Zn+O_2\rightarrow 2ZnO$ $\bigtriangleup Gº $= – 616 J $2Zn+S_2\rightarrow 2ZnS$ $\bigtriangleup Gº$ = – 293 J $S_2+2O_2 \rightarrow 2SO_2$ $\bigtriangleup Gº$ = – 408 J $\bigtriangleup Gº$ for the following reaction is :$2ZnS+3O_2 \rightarrow 2ZnO+ 2SO_2$

Question

( A ) – 1317 J
( B ) – 731 J
( C ) – 501 J
( D ) + 731 J