Advertisements
Advertisements
प्रश्न
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
Advertisements
उत्तर
(b) CCl4
Because it is a covalent compound.
APPEARS IN
संबंधित प्रश्न
Why covalent compounds are different from ionic compounds?
What type of bonds are present in water molecule? Draw the electron-dot structure of water (H2O).
Give one example of a molecule containing a triple covalent bond.
How will you find out which of the water soluble compound A or B is ionic?
Explain why, diamond is hard while graphite is soft (though both are made of carbon atoms).
The pencil leads are made of mainly:
(a) lithium
(b) charcoal
(c) lead
(d) graphite
The number of carbon atoms joined in a spherical molecule of buckminsterfullerene is:
(a) fifty
(b) sixty
(c) seventy
(d) ninety
What is the difference between ionic compounds and covalent compounds?
State the type of bonding in the following molecule.
Methane
What do you understand by lone pair and shared pair?
In the formation of electrovalent compounds, electrons are transferred from one element to another. How are electrons involved in the formation of a covalent compound?
Explain the bonding in methane molecule using electron dot structure.
Electrons are getting added to an element Y:
Is Y getting oxidised or reduced?
Name two compounds that are covalent when taken pure but produce ions when dissolved in water.
Fill in the blank and rewrite the completed statement:
Covalent compounds are generally soluble in _________ solvents.
Oils on treating with hydrogen in the presence of palladium or nickel catalyst form fats. This is an example of
"Carbon prefers to share its valence electrons with other atoms of carbon or with atoms of other elements rather than gaining or losing the valence electrons in order to attain noble gas configuration." Give reasons to justify this statement.
It is observed that covalent compounds are had conductors of electricity. Give reason.
The number of single and double bonds present in a molecule of benzene (C6H6) respectively, are ______.
