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Chemistry Practical class XI, XII (11,12)
4. TO STANDARDISE THE BENCH SULPHURIC ACID AGAINST THE STANDARD ALKALI (NAOH) SUPPLIED, AND TO EXPRESS THE CONCENTRATION IN :
A) NORMALITY B) GM/LITRE C) MOLARITY AND D) PERCENTAGE THEORY: Reaction H₂SO4 + 2NaOH —--->Na₂SO4+ 2H₂O Ionically, 2H+ + 20H- —----> 2H₂O Bench acids…
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20. TO DETERMINE THE RELATIVE SURFACE TENSION OF AN UNKNOWN LIQUID BY DROP COUNT METHOD.
THEORY: All the molecules of a liquid on the surface experience a resultant downward pull. This resultant downward pull or…
19. TO INVESTIGATE THE EFFECT OF CONCENTRATION ON THE EQUILIBRIUM BETWEEN FERRIC IONS AND THIOCYANATE IONS.
THEORY: Ferric ions and thiocyanate ions react to establish the following equilibrium with the formation of the blood red ferric…
18. TO INVESTIGATE THE EFFECT OF TEMPERATURE ON THE RATE OF A REACTION.
THEORY: The effect of temperature on the rate of a reaction can also be studied by following the reaction between…
TO INVESTIGATE THE EFFECT OF CONCENTRATION ON THE RATE OF A REACTION.
THEORY: The higher the concentration of a reactant or reactants, the greater is the rate of the reaction. This effect…
