Advertisements
Advertisements
प्रश्न
Give reason for the following:
Covalent compounds have a low melting and boiling point.
Advertisements
उत्तर
Covalent compounds are held together by modest intramolecular forces. As a result, breaking the bonds between two or more molecules requires only a minimal amount of energy.
Therefore, these compounds have low melting and boiling points.
संबंधित प्रश्न
By drawing an electron dot diagram show the formation of Ammonium ion [Atomic No.: N = 7 and H = 1]
Identify the anion present in the following compounds:
A salt M on treatment with concentrated sulphuric acid produces a gas which fumes in moist air and gives dense fumes with ammonia
Give two example in the following case:
Co-ordinate bond compounds
What is meant by the term chemical bonding?
Why do atoms combine?
Give the conditions for coordinate bond formation.
Fill in the blank
Coordinate bond is also called __________bond.
Draw an electron dot diagram of a hydronium ion and label the lone pair of electrons.
What is the term defined below?
A bond formed by a shared pair of electrons with both electrons coming from the same atom.
Give suitable chemical terms for the bond formed by a shared pair of electrons with both electrons coming from the same atom.
