Which of the following metals CANNOT be used as a hydrogenation catalyst? Select one: a. Ni b. Pt c. Pd d. Pa

Q: 22.a. Which of the following statements describes the change of specific gravity during battery…

A: The question deals with the batteries.

Q: st the (i) metal oxidation state, (ii) d-electron count, and (iii) total electron count for each of…

A: Handwritten solution is provided in Step 2 explaining every detail.

Q: An experiment was done to observe which factors promote the corrosion of iron. Which of the…

A: Zn bein more reactive than iron would act as sacrifacial protection layer and would slow down tha…

Q: Which metal cation is the best oxidizing agent?a. Pb2+ b. Cr3+ c. Fe2+ d. Sn2+

A: Solution-  Best oxidizing agent will be species with largest reduction potential.

Q: 11. Undercharging has high adverse impact on a. AGM Battery c. Gel battery 12. A relative measure of…

A: Before answering the given question regarding undercharging, let’s mention what do we mean by…

Q: 1. Name the products formed in a permanganate titration (FAS Vs KMnO4)? 2. Give reason Why Burning…

A: Hello. Since your question has multiple sub-parts, we will solve the first three sub-parts for you.…

Q: 1.Which of the following is commonly used as a temporary container for solids ? Select one a. Watch…

A: Few question based on quantitative analysis, which are to be accomplished.

Q: Anodic protection method can be .35 :used to protect----- from corrosion A. Active metals B.…

A: Anodic protection (AP) is a technique to control the corrosion of a metal surface by making it the…

Q: Write balanced equations for the following redox reactions: a. 2 NaBr + Cl2 2 NaCl + Br2 b. Fe2O3…

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Q: Manganese has the oxidation number of +5 in Select one: a. [MnF6]3- b. Mn2O7 c. [MnO4]2-…

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Q: 12. Based on E" values, which metal is the most easily oxidized? a. Hg c. Pb b. Zn d. Au Based on E…

A: E0 is the standard reduction potential. It is the ease with which an atom can get reduced or gain an…

Q: 25) Which is the strongest oxidizing agent? a. Cl₂(g) c. KI(aq) b. H₂(g) in acid soln d. Zn(s) e.…

A: A strong oxidizing agent is a substance that has a high tendency to accept electrons from other…

Q: The reaction in which oxidation and reduction takes place at the same time is called Select one: O…

A: Oxidation is the loss of electron and reduction is the gain of electron. When both reduction and…

Q: Q1. Which of the following is the strongest reducing agent? B. Ch A. Na C. Bc. D. Brz 02. The…

A: As per the student's request I am solving only question number 11.

Q: Which of the following statements below are incorrect about the chemical reaction shown below; a. B…

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Q: Q17. Which of the following has no positive or negative formal charge? L(H-C-N-O), IL (H₂C-N-N),…

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Q: Which reaction requires a metal catalyst? Explain. A. hydrohalogenation B. halogenation C.…

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Q: Complete the reactions by predicting the product/s: 2Na+ Br2 → a. Na2Br b. 2NaBr c. no…

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Q: A zinc bar weighing 3kg is attached to a burried iron pipe to protect the pipe from corrosion. An…

A: The number of years required by the zinc bar to fully consumed is to be calculated.  The time can…

Q: 6. Which of the following is not a use of silicones? A. Waterproofing. B. Lubricants. C. Computer…

A: Basic physical properties of respective elements can bu used to answer the following question.

Q: What is not a contributing factor to the fact that the magnitude of the standard reduction potentia…

A: The standard reduction potential of a species is the ability to get reduced i.e. gain electrons.

Q: Which metal does not dissolve in HCI? Select one: a. Ni Ob.Ag c. Sn d. Mn

A: The given Metals react with HCl following way Ni(s) + 2 HCl(aq) -----> NiCl2(aq)  + H2(g) Sn(s) +…

Q: 28. A certain vegetable dye is pink in acidic solutions, green in neutral solutions, and blue in…

A: The vegetable dye is pink in acidic solution , blue in basic solution. It is grren in neutral…

Q: Which of the following are incorrectly paired? a. Downs cell – electrolyzes molten sodium chloride…

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Q: Which is a zinc ore and is used in paints, sunscreen and coins? A. Anhydrite B. Bauxite C.…

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Q: 7. if it gains electrons, it has been reduced A. True  B.False

A: The given statement is true or false has to be explained,

Q: Calculate the molar concentration of EDTA since 42.35 mL of EDTA is consumed in the titration.…

A: 0.7682 gm MgCO3 contains = (0.7682/84) = 0.009145 mole  As it is present in 1000 mL solution, it's…