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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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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- …
3. TO DETERMINE THE STRENGTH OF THE GIVEN ALKALI (NAOH) SOLUTION WITH THE HELP OF THE STANDARD ACID (HCL) SUPPLIED.
THEORY: Reaction HCl + NaOH—----> NaCl + H₂O Ionically, H+ + OH- —---------> H₂O The normality strength of the alkali…
2. TO STANDARDISE THE GIVEN ACID SOLUTION (HCI) AGAINST THE PRIMARY STANDARD ALKALI (Na2CO3).
THEORY: Reaction: 2HCl + Na2CO3 —-----------> 2NaCl + H₂O + CO₂ Ionically, 2H++ + CO3 -- —----------> H₂O + CO₂…
1. TO PREPARE 100 ML OF A DECINORMAL SOLUTION OF SODIUM CARBONATE.
THEORY: Mol. wt. of Na₂ CO3 = 2 x 23 + 12 + 48 106 Equivalent wt.Mol. wt./2 =53 By…
