Ethylidene chloride is a/an ______ (a) vic-dihalide (b) gem-dihalide (c) allylic halide
Ethylidene chloride is a gem – dihalide . Gem Dihalide is a compound that have two halogen atoms on the... View Article
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What happens when steam is passed over red hot iron? Write the equation.
When steam is passed over red-hot iron, iron oxide will be formed with the release of hydrogen gas. 3Fe +... View Article
What is the colour of potassium iodide?
Potassium iodide is a white crystalline salt with chemical formula K I. Potassium Iodide is oral antithyroid agent used in... View Article
Why water is liquid and hydrogen sulphide is a gas?
Water is a liquid while hydrogen sulphide is a gas because the hydrogen bonding in water causes the water molecules... View Article
How to convert phenol into picric acid?
When phenol is treated with hot conc. nitric acid in the presence of conc. sulphuric acid yellow coloured picric acid... View Article
What is the oxidation state of K in KO2?
The oxidation state of each oxygen atom is -1/2 since it is a superoxide ion. Let the oxidation state of... View Article
What is Rancidity? Mention 4 ways to prevent it.
The oxidation of oils or fats in food resulting in a bad smell and bad taste is called rancidity. When unsaturated... View Article
The fermentation of glucose by yeast normally yields a) lactic acid, CO2, and 2 ATP b) alcohol, CO2, and 36 ATP c) alcohol, CO2, and 2 ATP d) CO2, H20, and 36 ATP
Alcoholic fermentation is a process of anaerobic respiration in which 2 molecule of glucose is converted to 4 molecules of... View Article
What happens when chloroform mixed with nitrogen gas?
When chloroform is mixed with nitrogen gas, a gaseous solution is formed. Chloroform vapours mixed with nitrogen gas is a... View Article
What is galvanized iron? How is galvanized iron protected from rust?
Galvanized iron has a layer of zinc. The added layer of zinc helps to protect the iron from rust and... View Article
214.2 g of sugar syrup contains 34.2 g of sugar. Calculate (i) molarity of the solution (ii) mole fraction of sugar in the syrup.
Given that mass of sugar = 34.2 g No. of moles of sugar = 34.2/molecular mass = 34.2/342 = 0.1... View Article
Is the soap solution acidic basic or neutral? How would you verify it?
Soaps are water-soluble sodium or potassium salts of fatty acids. The process is termed saponification reaction in which a strong... View Article
How to convert benzaldehyde to benzyl alcohol in presence of aq. NaOH?
Cannizzaro’s reaction is given by aldehydes which do not have α -hydrogen atoms. Half of the molecules are oxidized and... View Article
What is the difference between ionisation and dissociation?
Ionization is the process by which atoms or molecules get a positive or negative charge which can be cation or... View Article
Write the complete balanced reaction (a) Potassium bromide(aq) + Barium iodide(aq) → Potassium iodide(aq) + Barium bromide(s)
Answer: The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation... View Article
What is typical and non-typical transition elements?
Transition elements (also known as transition metals) are elements that have partially filled d orbitals. IUPAC defines transition elements as... View Article
How we can convert methyl alcohol into ethyl alcohol?
When methyl alcohol reacts with hydrogen chloride, it leads to substitution of alcoholic group and results in the formation of... View Article
How curd is formed from milk?
Answer: Milk is converted into curd or yogurt by the process of fermentation. Milk consists of globular proteins called casein. The... View Article
What is Borazine?
Boron forms some interesting inorganic compounds with nitrogen, most important of which is a borazine compound with the chemical formula... View Article
Is drying of clothes a physical change?
Drying wet clothes is a physical change because the clothes are same as it got dried from removing water content.... View Article
