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| યાદી-$I$ | યાદી-$II$ |
| $i)$ સૌથી વધુ સક્રિય અધાતુ | $A$. $\Delta H_1=419, \Delta H_2=3051, \Delta_{Eg} H=-48$ |
| $ii)$ સૌથી વધુ સક્રિય ધાતુ | $B$. $\Delta H_1=1681, \Delta H_2=3374, \Delta_{Eg} H=-328$ |
| $iii)$ સૌથી ઓછું સક્રિય તત્વ | $C$. $\Delta H_1=738, \Delta H_2=1451, \Delta_{Eg} H=-40$ |
| $iv)$ બાઈનરી હેલાઈડ બનાવતી ધાતુ | $D$. $\Delta H_1=3272, \Delta H_2=5251, \Delta_{Eg} H=+48$ |
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