MCQ
How many functional groups are in following molecule
- A$5$
- B$6$
- ✓$7$
- D$9$
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(Given : $R =8.3 \,J \,K ^{-1}\, mol ^{-1}$ )
$(a)\,\,{N_2}(g) + {O_2}(g) \rightleftharpoons \,\,2NO(g); $ $\Delta {H^o}\, = \,181\,\,kJ$
$(b)\,\,2C{O_2}(g)\,\,\,\, \rightleftharpoons \,2CO(g)\, + \,{O_2}(g);$ $\Delta {H^o}\, = \,566\,\,kJ$
$(c)\,\,{H_2}(g) + {I_2}(g) \rightleftharpoons \,2HI(g) ;$ $\Delta {H^o}\, = \,-9.4\,\,kJ$
$(d)\,\,{H_2}(g) + {F_2}(g) \rightleftharpoons \,2HF(g) ;$ $\Delta {H^o}\, = \,-541\,\,kJ$
If molar mass of hydrochloric acid is $M.$