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Below are group of words. Tick the circle of the choices that is most likely not belonging to the group.
SUBJECT: ANALYTIC CHEMESTRY
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- what type of reaction is involve in the AgSCN +FeCl3A Lewis Acid is: a) donates an electron pair b) produces H+ in aqueous solutions c) is an H+ acceptor d) produces OH+ in aqueous solutions e) accepts an electron pair f) is an H+ donorWhat is/are the product(s) formed from this acid-base reaction of Z(OH)2 + HCl → (products). Z is a metal. (Hint: double replacement reaction) ZCl H(OH)2 ZCl3 Both A and B ZCl2
- Organic chemistry:Hydrochloric acid is about as strong a mineral acid as sulfuric acid .Why would HCL not be a satisfactory catalyst in the synthesis of an aspirin?What is the concentration of free Ag+(aq) in a solution that is initially 0.01254 M in AgNO3 and 1.04842 M NH3? These two compounds react together to form [Ag(NH3)2]+. Kf([Ag(NH3)2]+) =1.600e7 1.023 7.484e-10 0.01254 6.250e-8Calculate the change in pH when 0.1400 mol OH– is added to 1.00 L of each of the following buffers. - 1.180 M solution of sodium dihydrogen phosphate containing 1.180 M sodium hydrogen phosphate Ans: change in pH = ________ - 0.5900 M solution of sodium dihydrogen phosphate containing 0.5900 M sodium hydrogen phosphate. Ans: change in pH = ________
- conplete the following reaction______________contribute hydrogen ions (H+) to a solutionc. Acidsd. Compoundsa. Bases b. IsotopesHydrochloric acid is about as strong a mineral acid as sulfuric acid, why would HCl not be a satisfactory catalyst in this reaction? Please draw a reaction scheme to support your answer
- Hydrogen phosphate ion is an anion with the chemical formula H2PO4–. In the aqueous state, it undergoes the following reactions: (i) H2PO4– (aq) + H2O (ℓ) ⇌ H3O+ (aq) + HPO42– (aq) (ii) H2PO4– (aq) + H3O+ (aq) ⇌ H3PO4 (aq) + H2O (ℓ) Which of the following statements is true about the above reactions? Question 2 options: In reaction (i) hydrogen phosphate acts as a Brønsted-Lowry base and in reaction (ii) it acts as a Brønsted-Lowry acid. In reaction (i) and (ii) hydrogen phosphate acts as a Brønsted-Lowry base. In reaction (i) hydrogen phosphate acts as a Brønsted-Lowry acid and in reaction (ii) it acts as a Brønsted-Lowry base. In reaction (i) and (ii) hydrogen phosphate acts as a Brønsted-Lowry acid.Alizarin yellow R, Ka=7.9×10−12, is yellow in its protonated form (HX) and red in its ionized form (X−). At what pH will alizarin yellow R be a perfect orange color?what is nitrous acid and what is the test principle for nitrous acid test?