MCQ
The bond formed, as a result of the electrostatic attraction between the positive and negative ions was termed as :
- ✓Electrovalent bond.
- BCovalent bond.
- CCoordinate bond.
- DNone of these.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)\, 6C(s) + 3H_2(g) \to C_6H_6(l) ; \Delta H = +45.9\,kJ$
$(ii)\, H_2(g) +\frac {1}{2}O_2(g) \to H_2O(l) ; \Delta H = -285.9\,kJ$
$(iii) \,C(s) + O_2(g) \to CO_2(g) ; \Delta H = -393.5\,kJ$
.....$kJ$
