Chemistry
With the help of a diagram, state the number of bonds and the type of bonds in:
(a) ethene molecule
(b) ethyne molecule
Answer
(a) Ethene molecule [C2H4] — It has one double covalent bond between the 2 Carbon atoms and four single covalent bonds with hydrogen atoms.
(b) Ethyne molecule [C2H2] — It has one triple covalent bond between the 2 Carbon atoms and 2 single covalent bonds with hydrogen atoms.
Related Questions
Metal M forms a chloride with the formula MCl2. What type of bond is in MCl2? Write the formula of the compound when M combines with sulphur, oxygen and nitrogen.
Explain the following :
(a) Mass of an atom is concentrated inside the nucleus of the atom.
(b) Atoms combine by transfer and sharing of electron(s).
(c) An element has atoms with different mass number.
(d) Carbon-12 and carbon-14 both show similar chemical properties
The atom of an element A has 6 electrons in its M shell.
(a) Write the electronic configuration of element A.
(b) What is the atomic number of element A?
(c) Is it a metal or a non-metal?
(d) What type of ion will be formed by an atom of element A? Write the symbol of the ion formed.
(e) What could element A be ?
(f) Draw the orbital structure of A and its ion.
An atom of an element Y may be written as 94Y.
(a) What does the figure 9 indicate?
(b) What does the figure 4 indicate?
(c) What is the number of protons in atom Y?
(d) What is the number of neutrons in atom Y?
(e) What is the number of electrons in atom Y?
(f) How many electrons are there in the outermost shell of an atom of element Y?
(g) Write the symbol of ion formed by an atom of element Y?