MCQ
Which species has the same shape as $NH_3$ ?
- A$SO^{2-}_3$
- B$CO^{2-}_3$
- C$NO^{-}_3$
- D$SO_3$
$(c)\, NO^-_3 \to$ Trigonal planar $(d) \,SO_3 \to$ Trigonal planar
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Given $SO_3(g) + H_2O(l) \rightarrow H_2SO_4(l)$
$\Delta H = -130\,\, kcal\, mol^{-1}$
$SO_2(g) + 1/2O_2(g) \rightarrow SO_3(g)$
$\Delta H = -100 \,\,kcal\,\, mol^{-1}$
the enthalpy of formation of $H_2SO_4(l)$ would be ......$kcal\, mol^{-1}$
