Which of the following Is responsible for the dark blue colour complex formed in the redox titration of vitamin-C O* KI + starch. D OD Ascorbic acid + starch. O13 + starch KIO3 + starch
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- The standard state free energy of hydrolysis of phosphocreatine is ΔG° = -42.8 kJ/mol. phosphocreatine + H2O → creatine + Pi T = 20 °C Calculate the free energy change for the phosphocreatine hydrolysis in a solution of 3.50 mM creatine, 3.50 mM phosphate and 1.00 nM phosphocreatine.How does the presence of Zn2+ affect the Cu2+ retention by soil?give the properties of the enzyme (e.g., shape, size, colour, price). a) aluminosilicate b) trypsin
- What is the reaction resulting from the addition of SnCl2(aq) to a solution containing Bi3+ in a basic solution?8. Calculate AG in two different ways for thecombustion of benzene: 2 C6H6 (1) + 15 02 (g) -12 CO2 (g) + 6 H20 (1) Are the two values equal?Calculate the Ksp for Li3PO4 if at equilibrium the concentration of PO43- ion is 3.30 x 10-3 M
- Which of the following are typical impurities in active pharmaceutical ingredients? I. intermediates produced in the synthesis of the API. II. Products of hydrolysis reaction of APIs. III. Residual solvents A) I only B) II only C) III only D) I and III E) I, II, IIIIs that true or false ? The presence of sugars, ascorbic acid, citric acid and amino acids in food in concomitant with nutritional iron sources will reduce iron absorption since they tend to form insoluble complexes with iron.From each of the following pairs of substances, use data inAppendix E to choose the one that is the stronger oxidizingagent:(a) Cl21g2 or Br21l2(b) Zn2+1aq2 or Cd2+1aq2(c) Cl-1aq2 or ClO3-1aq2(d) H2O21aq2 or O31g2