Explain the following named reaction: i)Sandmeyer reaction. ii)Gattermann reaction. Hint: Reactions known as “name reactions” are those named after their…
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Understanding Crystal Structures and Coordination Numbers To determine the coordination number of crystal structures, let’s first understand the basics of…
Picric acid, also known as 2,4,6-trinitrophenol, is an organic compound with a hydroxyl group and three nitro groups attached to…
Give one chemical test to distinguish between ethylamine and aniline. Hint: The reaction products of nitrous acid with aliphatic and…
Distinguish between the true solution and colloidal solution. Hint: In a true solution, the particle size of the solute in…
Write the difference between solid, liquid and gas phase? Hint:Anything that has mass and takes up space is known as…
For the electro-refining of copper. (i) What is the cathode made up of? (ii) Write the reaction that takes place…
In general , the number of electrons in the outermost shell of a metal atom is : A.1 B.1-3 C.1-8…
State the basic postulates of Bohr’s theory of atomic spectra. Hint: Bohr’s theory focused on the particle-like nature of electrons,…
Who invented the first compound microscope? (a) Robert Hook (b) Robert Koch (c) Leeuwenhoek (d) Z. Janssen Hint: The first…