MCQ
Which of the following compounds has coordinate (dative) bond
- ✓$C{H_3}NC$
- B$C{H_3}OH$
- C$C{H_3}Cl$
- D$N{H_3}$
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$2 Al + 3MnO \to Al_2O_3 + 3Mn$
Which of the following is correct? (Atomic weights of $Mn = 55$ and $Al = 27$)
Find the ( $\Delta S)_{universe}$ in $kJK^{-1}$ .