Give reasons for the following observations :(i) Leather gets hardened after tanning.(ii) Lyophilic sol is more stable than lyophobic sol.(iii) It is necessary to remove CO when ammonia is prepared by Haber’s process.

Q: Define the following terms :(i) Sorption(ii) Tyndall effect(iii) Electrophoresis

A: Here given few terms and we are asked to define them.

Q: Write the chemical equations involved for the reaction of cyclohexene with cold KMnO4

A: In the chemical equation, the material or chemical symbol present on the left-hand side of the right…

Q: Explain the following phenomenon: (1) KMnO4 usually not obtained in a pure & anhydride condition…

A: 1. KMnO4 is not obtained in pure state as its crystals contain MnO2 as impurity. This is the main…

Q: Give the reagents and reaction conditions for the conversion of (i), (ii), (iii), (iv) and (v)…

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Q: how could you seperate the components of a mixture of caSO4 and Ca(NO3)2 and recover the two…

A: Given: A mixture of CaSO4 and Ca(NO3)2.    Since the sulfates of calcium i.e. CaSO4 is insoluble in…

Q: The following is an experimental account of the preparation of compound B from Phenylamine. 2cm3 of…

A:

Q: 2) Does decamethyl-titanocene exist? To what product can this compound react within itself? 3)…

A: Decamethyl titanocene ([Ti (CH3)2(C5Me5)2 ]) is a metallocene compound composed of a titanium atom…

Q: (a) Suggest reagents and solvents for the following SEVEN reactions i to vii. MeO CI i ii iii iv vi…

A: The first reaction is the reduction of aldehyde to corresponding alcohol,for this we can use NaBH4…

Q: Mention 3 typical organic complexing agents in the environment and describe in which environments…

A: Coordination compounds are found in living systems and have many uses in the home, industrial and…

Q: (a) Gadolinium doped ceria (GDC), Ce1-xGdxO2-x/2-8 (0.0 ≤x≤0.2) is an important solid electrolyte…

A: The objective of this question is to show the formation of defects in GDC using the Kröger-Vink…

Q: (b) Why Freundlich's equation fails to explain adsorption phenomenon at higher concentration?

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Q: 320, 292, 264, 236, 208, 180, 110, 55. Metastable peaks were observed at 349.1, 322-1, 294-3, 211,…

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Q: Briefly explain the preparation of detergent by specifying all the stages. (The order of operations…

A: Given: We have to tell how can we prepare detergent.

Q: (18) shown below? Which of the following options represents the HOMO for the pentadienyl anion, go…

A: Here we need to determine the Highest Occupied Molecular Orbital (HOMO) of pentadienyl…

Q: Answer the following :(i) What is the role of cryolite in the metallurgy of aluminium?(ii)…

A: (i) The role of cryolite in the metallurgy of aluminium                    In the metallurgy of…

Q: (iii) Compound A is photostable in the crystalline solid state. Discuss how the solid-state…

A: Step 1:The photoreactivity of the compound can be increased if the ∏−∏∗ (pi to pi*) energy  gp is…

Q: 4. Tris(hydroxymethyl)aminomethane [(HOCH2);CNH2–Tris, or THAM] is a weak base frequently used to…

A: 4. Solution - pH = pH is a scale used to specify the acidity or basicity of an aqueous solution.…

Q: (4) discuss the sulfur cycle. Note the following: (i) role of gypsum, (ii) iron oxides in acid…

A: Sulfur is an important mineral in living organisms. It is present in all proteins. Cystine and…

Q: Describe the species that would result from the subsequent transfer of the proton from the metal to…

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Q: A 0.703 g sample of a commercial detergent was red-calcined to destroy its components. organic.…

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Q: What is the pH (to the nearest hundredths) of a 0.13 M solution that was made with the…

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Q: Outline the two essential steps needed to prepare a 0.025mol dm-3 solution of sodium oxalate

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Q: With illustration, give brief explanation of the following terms: (i) Biomagnification (ii) LD50…

A: There are various environment incident which can directly or indirectly affect the human being and…

Q: (b) The reaction of ferrocene with MeC(O)CI and AICI, affords two different products,…

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Q: Vanadium has two isotopes (50V, 0.25%; 51V, 99.75%). The EPR spectrum of an aqueous solution of…

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Q: (b) Predict the product and chemistry involved in the following reactions: (i) [Rh(CO),Cl2] +CH;I…

A: Since you have asked a question with a multiple sub-parts, we will solve first three sub-parts for…

Q: Discuss the role of the following reagents in the liquid-liquid extraction of dye. Vinegar Baking…

A: Components are partitioned between an aqueous layer and the organic layer in the liquid-liquid…

Q: What products are expected from the oxidation with hot KMnO4 (a) solution of (a) PGE1, and (b) PGE1α

A: Oxidation with hot KMnO4 (a) solution of (a) PGE1, and (b) PGE1α

Q: Blance the following equation!! asing Oxidation States and half- reactions ?

A: Steps to balance a redox reaction in acidic medium Write skeletal equation (net ionic equation)…

Q: The following is an experimental account of the preparation of compound B from Phenylamine. 2cm3 of…

A: Phenyl amine is treated with sodium nitrate in HCl to give compound A(C6H5N2Cl)  salt. Then Compound…

Q: Give the reagents and reaction conditions for the conversion of (i), (ii), (iii), (iv) and (v)…

A:

Q: For Iron (Fe) Account for the stabilities of the oxidation states toward reduction and/or…

A: Mostly ionic bonds are formed in low oxidation state, but in higher oxidation state covalent bond is…

Q: Why was it necessary to obtain a constant melting point for B?

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Q: (d) What is a hychiele? Outline the Step wise mechanisy Involved in the reaction of lithium…

A: Detail solution is given below

Q: 2 (a). Device a synthesis of each of the following compounds from benzene. (i) OH Br (ii)

A: Step 1:  The synthesis of the given compound from benzene by using reagents is as follow:     Some…

Q: 2. A sample of material contains for its active components NaOH, NazCO3, NaHCO3, or compatible…

A:

Q: The Ksp at 298 K for iron(II) fluoride is 2.4 * 10-6. (a) Write a half-reaction that gives the…

A: The compound given is iron (II) fluoride i.e FeF2.

Q: A sample of material contains for its active components NaOH, NażCO3, NaHCO3, or compatible mixtures…

A: Given: mass of sample = 1.00 g concentration of acid = 1.038 N Let us consider the acid used in the…

Q: The Cr2O72- ions generate a reddish orange aqueous solution that changes to green as Cr3+ ions are…

A: (a) The oxidation half reaction is,                             The reduction half reaction is,…

Q: Trimyristin, a solid fat present in nutmeg., is hydrolyzed to give one equivalent of glycerol and…

A: Fatty acids are triglycerides which contain 3 ester linkages and they are formed from carboxylic…

Q: i (a) Arrange the following in order of decreasing reactivity towards LİAIH4 /THF followed by dilute…

A: Applying concept of reactivity of LiAlH4

Q: Tungsten hexacarbonyl can be prepared by reacting WCl6 with triethylaluminium in the presence of…

A: Tungsten hexacarbonyl can be prepared by reacting WCl6 with triethylaluminium in the presence of…

Q: 17.4 Give explanations for the following observations. (a) pK, values for CF;CO,H and CH3CO,H are…

A: Given,

Q: Explain and describe the objective for preparation of p-Iodonitrobenzene

A:

Q: 3) Which semicarbazone is colourless and which is yellow. Why do they differ in this property? In…

A: When light fall on a compound, light gets absorbed or reflected depending on the nature of the…

Q: thermoanalytical techniques: (i) TGA (ii) DTA (iii) DSC (iv) PTGA (v) EGA.

A:

Q: The following reaction is the basis for automatized breath tests for the detection of alcohol (e.g.…

A: The oxidation reaction involved is as follows: