Why does the NaCl crystal remains white after subjecting it to charring test (heating the sample with gentle and strong heating)?

Q: An industrial chemist treats solid NaCl with concentrated H2SO4 and obtains gaseous HCl and NaHSO4.…

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Q: Based on the table you completed above, decide whether the low solubility of KHT at room temperature…

A: KHT (potassium hydrogen tartrate) is a salt of very strong base KOH and weak acid tartaric acid.

Q: Write the names for MnS and ZnSO3 :

A: The rules to be followed while naming any ionic compound made up of transition metal are, 1) The…

Q: 48) An unknown hydrate of zinc sulfate, ZnSO4 • XH2O, is heated to give 30.8% water. What is the…

A: The unknown hydrate of zinc sulfate is given by the formula- ZnSO4 • x H2O Water obtained after…

Q: 1. Write the chemical equations for the reaction of alkaline permanganate with unsaturated…

A: unsaturated hydrocarbon has double or triple bond which increases its reactivity.

Q: What Dimitri Mendeleyeris is responsible for?

A: Dimitri Mendeleev was a Russian chemist and was considered as father of modern periodic table. He is…

Q: What is responsible for the purple color of the layer observed in a Molisch test?

A: Molisch test is a test which is used to check for carbohydrates in a given sample.  In it, Molish…

Q: What is the purpose of adding concentrated sulfuric acid and heating the mixture?

A: Acid is substance which release hydrogen ions when dissolved in water.

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: Which compound is most likely to crystallize in the zinc blende structure?

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Q: What is the reducing and oxidizing agent in the formation of potassium trioxalatoferrate(III)…

A: Dear student, we'll answer the first question since the exact one wasn't specified. Please submit a…

Q: what is the balanced chemical reaction of seignette salt given 1.5 kg cream of tartar and 2.5 kg…

A: Interpretation-  To write the balanced chemical reaction of seignette salt given 1.5 kg cream of…

Q: a For the reaction of chlorine with water: i write a balanced chemical equation ii give the…

A: Explained as follows

Q: What is deliquescent salt?

A: Deliquescent salts have tendency to dissolve in the absorbed moisture and form their own solution.

Q: When Br2 dissolves in hexane, the hexane layer is ____________.       Orange       Yellow…

A: Here We have to find out colour of hexane layer when we dissolve in halogen in it Here given halogen…

Q: rovide a test (including reagents needed and what to look for if it gives a positive result), and…

A: Since you have asked a question with multiple subparts, we will answer only first three subparts for…

Q: Lo Na Br

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Q: What is the melting point of Penguinone and how is it extracted?

A: Please find your solution below : Penguinone is an organic compound. Its IUPAC name is…

Q: Give reason/s for the following? Why CCl4 is used solvent for IR analysis?

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Q: . If an unknown forms a silver mirror in the Tollens test, forms a purple color in the Schiff test,…

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Q: Why would Hinsberg's Test fail with this compound? Explain. HO.

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Q: How you confirm the presence of Group IV cations using flame test?

A: The flame test is an analytical method that helps in the identification of the presence of unknown…

Q: what does potassium salt of 2,3-dimethylmaleic acid gives on electrolysis?

A: The electrolysis of a sodium or potassium salt of dicarboxylic acid results in the formation of an…

Q: He arranged the periodic table by their atomic masses and, predicted the existence of some elements…

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Q: (i) Why do actinoids show wide range of oxidation states? (ii) Why is actinoid contraction greater…

A: i) The various oxidation state of actinoids range from +3 to +6. This is due to small energy gap…

Q: What is measured in an X-ray crystallography experiment? How does the output from X-ray differ from…

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Q: An industrial chemist treats solid NaCl with concentrated H₂SO₄ and obtains gaseous HCl and NaHSO₄.…

A: (a) Sodium iodide reacts with sulfuric acid to form gaseous hydrogen sulfide, solid iodine, and…

Q: what are the pros and cons of lignin process for producing vanillin?

A: Answer - Lignin process - Lignin is an important organic polymer which is abundant in cell walls of…

Q: Answer questions about solvents below a) Why are nonaqueous solvents like ammonia, sulphur dioxide,…

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Q: What is observed when the Na2SO3 solution is added to the CuCl2 solution?

A: Given question is :  What is observed when the Na2SO3 solution is added to the CuCl2 solution = ?

Q: A mixture of NaCl, CaCO3, and SiO2 is separated using the techniques in the procedure of this lab.…

A: Solution A separation method could be a technique that converts a mix or resolution of chemical…

Q: How can the tetraborohydrate ion be prepared?

A: Sodium tetraborohydrate can be produced using borax, sodium, hydrogen and silicon oxide. The…

Q: a. Describe the appearance of the mixture of iron and sulfur. b. What effect did the bar magnet have…

A: Since you have asked multiple question, we will solve the first question for you. If you want any…

Q: Using IUPAC norms write the formulae for the following:(i) Sodium dicyanidoaurate (I)(it)…

A: The IUPAC names of the complexes are given below

Q: what is the crystallinity of phenazopyridine ? with illustration

A: The structure of phenazopyridine is as follows,

Q: Based solely on the amount of available carbon, how many grams of sodium oxalate, NazC2O4. could be…

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Q: 1 Write the equation for the decomposition of NAHCO3 that best fits your data. 2. What was the…

A: in decomposition reaction larger molecule(reactent) is breaking into two or more molecules…

Q: How to prepare the following given a free choice of normal laboratory reagents or any equipment:…

A: Laboratory reagent: These reagents are man-made chemical species which is prepared in laboratory…