MCQ
Which of the following has standard enthalpy of formation is equal to zero
- A$Hg\,(s)$
- B$Xe\,(s)$
- ✓$Br_2\,(l)$
- D$S_{monoclinic}$
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$I.$ monosubstituted alkene
$II.$ disubstituted alkene
$III.$ trisubstituted alkene
Which of the following statement(s) is(are) correct ?
( electron charge $= 1.60\times10^{-19}\, C$)