When aniline under goes diazo nium reaction in presence of sodium nitrite and hydrochloric acid under 273K- 278K temperature , benzene diazonium... View Article
The space or gab between the molecules of the matter ex soild, liquid, gas called intermolecules space. The molecules of matter are always in... View Article
Metallic oxides are basic in nature because they react with dilute acids to form salt and water. Group 1 & 2 oxides are highly alkaline in... View Article
Zinc is a bluish-silver, lustrous metal that tarnishes in moist air, producing a layer of carbonate. Zinc reacts with both acids and alkalis.... View Article
On mixing a solution of barium chloride with sodium sulphate, a white precipitate of barium sulphate is immediately formed. These reactions are... View Article
On heating, candle wax melts and form liquid wax. It is a physical change. Since it again turns into solid wax on cooling. This is a reversible... View Article
Milk is an emulsion of oil in water. A suspension of droplets of one liquid in another is called emulsion, or it can be defined as a mixture of... View Article
Answer: (A)Â Two immiscible liquids An emulsion can be defined as a colloid consisting of two or more non-homogenous types of liquids wherein one... View Article
Answer: When nitrobenzene is reduced with a metal and acid (Sn/HCl, Zn/HCl etc.), aniline is obtained. The intermediate products nitrosobenzene... View Article
The disproportionation reaction is 3H3PO2 → PH3 + 2H3PO3. Now the conversion of H3PO2 to PH3 involves the addition of 4 electrons. n factor... View Article
Lanthanides are the elements which follow the rule of Afbau's principle. For that particular reason they are placed under the F-block of the... View Article
Formula unit mass is defined as the sum of the mass of all the atoms each multiplied its atomic masses that are present in the empirical formula... View Article
One nanometre converted into a meter equals = 0.0000000010 m 1 nm = 0.0000000010 m A nanometre is a unit of spatial measurement that is 10 -9... View Article
The nature of toothpaste is alkaline which is basic. They neutralize the acid produced by bacteria in mouth. There are so many varieties of... View Article
Answer: The representation of a chemical reaction in the form of substances is known as a chemical equation. The equation in which the number of... View Article
Carbon dioxide can be easily liquefied as well as solidified because the inter-molecular force of attraction between the molecules of carbon... View Article
When benzaldehyde is oxidized in the presence of acidified potasium permanganate, it results in the formation of benzoic acid. When benzoic acid... View Article
The main difference between Atomic Orbital and Molecular Orbital is that Atomic Orbital contains electrons that are influenced by one positive... View Article
Metals in the pure state generally shine. The shine on the metallic surface is called the metallic lustre. Calcium (Ca) is an active metal and... View Article
