Advertisements
Advertisements
प्रश्न
Complete the following:
When the nuclei of two different reacting atoms are of ______ mass, then a bond so formed is called ______ covalent bond. (equal, unequal, polar, non-polar)
Advertisements
उत्तर
When the nuclei of two different reacting atoms are of unequal mass, then a bond so formed is called polar covalent band.
APPEARS IN
संबंधित प्रश्न
Explain the following term with an example.
Unsaturated hydrocarbon
Observe the straight chain hydrocarbons given below and answer the following
questions :
i) Which of the straight chain compounds from A and B is saturated and unsaturated straight chains?
ii) Name these straight chains.
iii) Write their chemical formulae and number of – CH2 - units.
Explain the following briefly:
Cl2 is a non polar molecule, while HCl is a polar molecule.
Give examples for the following:
Two gaseous polar compounds.
Fill in the blank with correct word from the bracket.
Melting and boiling points of covalent compounds are generally ______ (low, high).
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
The type of bonding in X will be ______.
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.
Write an Explanation.
Alkene
Carbon forms four covalent bonds by sharing its four valence electrons with four univalent atoms, e.g. hydrogen. After the formation of four bonds, carbon attains the electronic configuration of
Which of the following compound(s) possesses a high melting point?
