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The solution energy of AI+++ion is more than that of Mg+++ due to...

A. high ionisation energy of AI+++ ion

B. greater size of AI+++ ion

C. greater charge on AI+++ ion

D. small size of AI+++ ion

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  1. Internal energy of the elements is assigned a value of................................cal per mole at…
  2. 35.5 gm of chlorine gas is allowed to expand freely in vacuum at 25°C. Then AH for this process…
  3. For a reaction 2 SO2g+O2g→2 SO3;g∆G°=-141.8 KJ-1So the driving force…
  4. The solution energy of AI+++ion is more than that of Mg+++ due to...
  5. A person requires 2870 Kcal of energy for leading a normal life. If heat of combustion of cane sugar…
  6. The enthalpy of the elements in their standard states is taken as zero. So the enthalpy of formation…
  7. A person requires 2870 Kcal of energy for leading a normal life. If heat of combustion of cane sugar…
  8. Heat of reaction
  9. The heat of neutralisation of a strong acid and a strong base is equal to......................K.Cal gm eq-1
  10. The apparatus used for measuring the heat changes is known as ...
  11. Heat of combustion of methane and ethane are -291.7 Kcal & — 441.2 Kcal respectively:
  12. For the reaction C+O2→CO2        ∆H1=394 KJ mole-12CO+O2→2CO2∆H2=569 KJ∆H for 1 mole formation of CO is...?
  13. Heat of Reaction between sodium hydroxide and hydrochloric acid is 57.32 KJ mole-1. So heat of…
  14. Heat of combustion of S (Rhombic) and S (monoclinic) are -297.5 KJ and -300 KJ mole-1 respectively.…
  15. In reaction Cs+O2g→CO2g ∆H=-94.3 K cal mol-1
  16. Heat of fusion of a molecular solid is
  17. If temperature is kept constant during the reaction, the process is said to be.......................
  18. The highest temperature at which vapour pressure of a liquid can be measured is..
  19. On burning hydrogen in an atmosphere of chlorine, 1.65 gm of HC1 was obtained and 1 Kcal of heat was…
  20. In a thermal decomposition reaction, sign of ∆H may be...
  21. The total heat content of a system is known as....
  22. The heat change taking place in the reactionH2 OI→H2Og,∆HfH2 Og=-57K Cal∆HfH2 OI=68.3K Cal is..?
  23. 1 Joule is equal to
  24. The molar entropy of vaporisation of a liquid at its boiling point is
  25. 10 gm of ice at 0°C is placed into 100 gm of water at 50°C. Hie temperature of water after the…
  26. The factor that does not influence the heat of reaction is...
  27. In a spontaneous irreversible process, the total entropy of the system & its surroundings
  28. Heat of neutralisation of HCI and NaOH is -57.32 KJ per gram equivalent and that of acetic acid and…