The principle involved in paper chromatography is: A) Adsorption B) Partition C) Solubility D) Volatility Hint: Chromatography is an analytical…
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Convert Ethanol to But-1-yne. Hint: First, transform the alcohol into a haloalkane. Next, take acetylene and convert it into sodium…
Hint: Isomers that have the same molecular formula but differ in the arrangement of carbon atoms in the chain are…
The increasing order for the values of e/m (charge/mass) for the electron (e), proton (p), neutron (n) and alpha particle…
Explain the following named reaction: i)Sandmeyer reaction. ii)Gattermann reaction. Hint: Reactions known as “name reactions” are those named after their…
Give one chemical test to distinguish between ethylamine and aniline. Hint: The reaction products of nitrous acid with aliphatic and…
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…
Hint: Soaps are chemical salts derived from fatty acids and are commonly utilized for their cleaning abilities. Their effectiveness in…