Advertisements
Advertisements
प्रश्न
Element A has 2 electrons in its M shell. Element B has atomic number 7.
If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the ______ and B at the ______ of the electrolytic cell.
Advertisements
उत्तर
If the compound formed between A and B is melted and an electric current is passed through the molten compound, then element A will be obtained at the cathode and B at the anode of the electrolytic cell.
संबंधित प्रश्न
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
What are the term defined below?
A bond formed by share pair of electrons, each bonding atom contributing one electron to the pair.
State the type of bond formed when the combining atom has small E.N. difference.
Potassium (Atomic No. 19) and chlorine (Atomic No. 17) react to form a compound. On the basis of electronic concept, explain
(i) oxidation
(ii) reduction
(iii)oxidising agent
(iv)reducing agent
The number of electrons in the valence shell of a carbon atom is 4.
Explain covalent bond with example.
______ is an example of a covalent compound having a high melting point.
It is observed that covalent compounds are had conductors of electricity. Give reason.
Carbon can neither form C4- cation nor C4 anion. Why?
Non-polar covalent compounds are ______ conductors of heat and electricity.
