Advertisements
Advertisements
प्रश्न
State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds.
उत्तर
Covalent compounds have usually low melting points and boiling points. But ionic compounds have high melting points and boiling points.
An example for a covalent compound is methane (CH4).
An example for an ionic compound is sodium chloride (NaCl).
APPEARS IN
संबंधित प्रश्न
List three characteristic properties of covalent compounds.
State the reason to explain why covalent compounds "are bad conductors of electricity".
What would be the electron dot structure of carbon dioxide which has the formula CO2?
What type of chemical bonds are formed by carbon? Why?
Draw the electron-dot structure of HCl compound and state the type of bonding.
Explain why, graphite can be used as a lubricant but diamond cannot.
what substance is graphite made?
The number of isomers formed by the hydrocarbon with molecular formula C5H12 is:
(a) 2
(b) 5
(c) 3
(d) 4
Methane molecule is non-polar molecule. Explain.
Explain the following:
polar covalent compounds electricity.
Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
State the type of bonding in the following molecule.
Water
Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the options A, B, C and D given below:
X is likely to have a ______.
What is the difference between a polar covalent compound and a non-polar covalent compound?
What are Allotropes? Name any two allotropic forms of carbon. Give one use of it.
Which of the following compounds of carbon does not consist of ions?
A molecule of ammonia (NH3) has
The electron dot structure of chlorine molecule is:
It is observed that covalent compounds are had conductors of electricity. Give reason.