A pure dilute solution of sodium in liquid ammonia shows which colour?

Q: Taking the Jahn Teller effect into account, how many absorptions would you expect from the…

A: The Jahn-Teller effect is a geometric distortion of a non-linear molecular system that reduces its…

Q: Give the principle and general reaction involved in Beilstein test.

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Q: Explain why colour of KMnO4 disappears when oxalic acid is added to its solution in acidic medium.

A: The progress of different acid base reactions can be checked with the help of acid-base indicators.…

Q: (i) What type of non-stoichiometric point defect is responsible for the pink colour of LiCl?(ii)…

A:

Q: Why is pure 1,2,3,4-tetraphenylnaphthalene white?

A: A question based on organic chemistry, which is to be accomplished.

Q: On adding sodium hydroxide solution to aluminum salt solution is formed ........ a. A gelatinous…

A: Given statement is : On adding sodium hydroxide solution to aluminum salt solution,…

Q: Discuss the formation of the nickel ion with a 2+ oxidationnumber.

A: The formation of nickel ion with a +2 oxidation number has to be explained.

Q: Standard solution of Copper (I) complex (111 g/mole) with a concentration of 1.0 mg /mL had an…

A: First of all, we have to convert the concentration mg/mL in terms of Molar concentration.  And then…

Q: Discuss Quantitative aspects of Electrolysi/

A: Electrolysis is a process of decomposition of ionic compounds into their constituent ions on passing…

Q: ) A 3.15x10^-6 M solution of the colored complex exhibited an absorbance of 0.267 at 635nm in a…

A: Blank solution absorbance = 0.019 (error)Absorbance of colored complex = 0.267After error…

Q: 19- Which of the two complexes [cu(NH3)4]*2 / [Cu(NH3)4]* Are they colored? Why?

A: NOTE: please note according to our policies , we can only answer one question at one time. you have…

Q: 84 The elements in between Se-Zn 1. ali show paramagnetism 2 form ocloured hydrated ions in aquecus…

A: Answer 84 Elements between Sc to Zn 1. All show paramagnetism 2. Form Colored hydrated ion in…

Q: Will phthalimide dissolve in aqueous sodium bicarbonate?

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Q: A standard solution was put through appropriate dilu tions to give the concentrations of iron shown…

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Q: The melting point of TiCl4 (-24°C) lies below those ofTiF4 (284°C) and TiBr4 (38°C). Explain why by…

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Q: Explain the Cu-Ni Copper-Nickel Phase digram briefly

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Q: /dissimilarities in the magnetic moment values with experimentally determined values of 5.0 and 4.4…

A: The differences are given as,

Q: i) ii) Which metals is classified as a Group 2 cations? What is the selective reagent for Group 2…

A: In this question, we have to find out the correct answer of given problem by the help of the…

Q: EDTA consider as - dentate ligand -3- O penta tetra O hexa

A: The Denticity of a ligand refers to the number of donor atoms or groups that bonded with the central…

Q: Explain in detail about the colorimetric analysis of the heavy metals in aqueous media

A: Colorimetry is a method of analysis based on measuring intensities of colours.The colour intensities…

Q: Predict the multiplicity/splitting pattern and indicate the integration value for each Hydrgen…

A: Splitting pattern can be found by n+1 rule where n is number of neighboring protons.

Q: Preparation of cpper(1) chloride What color observed for the solution of Na2SO3 in water?  What…

A: The answer to the given questions are:

Q: Starting with [Pt(NH3)4]2+ or [PtCl4]2- and using NH3, pyridine (py), Cl-, and NO2, propose a…

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Q: If Magnesium hydroxide is a white gelatinous precipitate, why is the confirmatory result indicated a…

A: Confirmatory Test of Mg2+ 1. For the test of Mg2+ , In a sample of Mg2+ solution, 2 drops of…

Q: What color observed for the solution of Na2SO3 in water?  What colour observed for solutions of…

A: We have to tell the colour of solution of Na2So3 and CuCl2,2H2O

Q: Why is it important to perform the qualitative tests in triplicate?

A: ANSWER : It is important to perform the qualitative tests in triplicate , because otherwise we would…

Q: State kharasch effect.

A: The reaction of HBr  to unsymmetrical alkenes in the presence of peroxides such as hydrogen peroxide…

Q: 19. The association constant of protein X for ligand Y is: 100 micromolar. At what concentration of…

A: The concentration of ligand at which half of the protein will be bound can be calculated using the…

Q: You wish to measure the iron content of the well water on the new property you are about to buy. You…

A: Interpretation - To calculate the concentration of iron in the well water is to be explained.

Q: Calculate for the molar absorptivity coefficient of a 0.55 microgram per liter Cr(III) chelate…

A:

Q: Based on Crystal Field Theory, discuss why [MnO4] is deeply coloured.

A: The reason why [MnO4]- is deeply colored has to be explained based on Crystal Field Theory,

Q: Why are metals resposbile for the production of colour upon heating

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Q: Consider the couples l2/l¯ and S406/S203-. I2 is brown in water-solution, and the other three…

A: The balanced chemical equation for the reaction being discussed is:   I2+2S2O32-⇔2I-+S4O62-

Q: An unknown salt X reacts with hot conc. H2SO4 to produce a brown coloured gas which intensifies on…

A: Reaction with conc.H2SO4 to produce a brown gas is a common test for nitrates . The brown gas…

Q: 3. What colors does Chrome yellow absorb? 4. What is the color of a mixture of Chrome yellow and…

A: Questions: 1) Why calcium carbonate mixed with Prussian blue but not wit Chrome yellow? 2) Colors…

Q: Explain the structure and magnetic property of [PtCl4]² complex by using CFT.

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Q: What is the role (one) of pH in the colour development in meat during heat treatment

A: In case of fresh meat, not in contact with air, purple red colour of the meat is due to myoglobin…

Q: 5. The labels were mixed up on bottles of pentane, hexanal and heptan-1-ol. How could boiling point…

A: The three colour less liquid can be distinguish by the difference in the boiling point

Q: Roberta decided to find out the content of nickel (Ni) in a sample. She dissolved the 0.0882 g…

A: Given: Volume of solution = 250 mL = 0.250 L   Mass of Nickel sample = 0.0882 g Absorbance of…

Q: Mesityl oxide shows two bands at 230 nm and 327 nm .But its isomer does not  show any bands above…

A: Effect of conjugation In presence of conjugated double bonds, the electronic energy levels of a…

Q: 1. The UV-Vis spectrum for Cu(H;O),* is shown below. The value for Amux is nearly 740 nm. (Inm=107…

A: Given :  We have to calculate crystal field splitting parameter for Cu(H2O)62+.

Q: True or False

A:

Q: How will the potentiometric titration curve of EmV over volume dichromate for the redox reaction of…

A: A question based on redox reaction that is to be accomplished.

Q: A student trying to determine if a white solid is a true hydrate heats the sample and finds that…

A: A true hydrate is the one that undergoes evolution of water upon heating and the residue obtained…

Q: You are assigned an unknown solution that contains Group III cations. To -1 mL of this solution was…

A: In the above given cations Fe3+,Al3+ are group 3cations Zn2+ group 4 cation. The formation Of radish…

Q: what is the purpose of introducing ammonim sulphate to the mixture when determing the formula of a…

A: To describe the purpose of introducing ammonium sulphate to the mixture during determining the…

Q: Give an example of a double salt that can be formed via ligand exchange and give the reactions…

A: Double salts : A double salt is a salts that contains more than one cation and anions which…