MCQ
Which molecule does not show zero dipole moment
- A$B{F_3}$
- ✓$N{H_3}$
- C$CC{l_4}$
- D$C{H_4}$
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| $\Delta H \,(kJ/mol)$ | |
| $\frac 12 A \rightarrow B$ | $+150$ |
| $3B \rightarrow 2C + D$ | $-125$ |
| $E + A \rightarrow 2D$ | $+350$ |
For $B + D \rightarrow E + 2C, \Delta H$ will be ............. $\mathrm{kJ/mol}$