Advertisements
Advertisements
Question
The solution of one of the following compounds will not conduct electricity. This compounds is:
(a) NaCl
(b) CCl4
(c) MgCl2
(d) CaCl2
Solution
(b) CCl4
Because it is a covalent compound.
APPEARS IN
RELATED QUESTIONS
List three characteristic properties of covalent compounds.
Choose the correct answer from the options given below:
Which of the following is a common characteristic of a covalent compound?
1) high melting point
2) consists of molecules
3) always soluble in water
4) Conducts electricity when it is in the molten state
Explain why covalent compounds have generally high melting points?
State one test by which sodium chloride can be distinguished from sugar.
Which inert gas does the H atom in HCl resemble in electron arrangement?
What type of bonding would you expect between Carbon and Chlorine?
Draw the electron-dot structure of HCl compound and state the type of bonding.
what substance is graphite made?
A covalent molecule having a double bond between its atoms is:
(a) Hydrogen
(b) Oxygen
(c) water
(d) ammonia
Two non-metals combine with each other by the sharing of electrons to form a compound X.
(a) What type of chemical bond is present in X?
(b) State whether X will have a high melting point or low melting point.
(c) Will it be a good conductor of electricity or not?
(d) Will it dissolve in an organic solvent or not?
What happens when methane (natural gas) burns in air? Write the chemical equation of the reaction involved.
For each compound mentioned above give the formulae of ions formed in aqueous solution.
Taking hydrogen chloride and methane as examples, distinguish between a polar covalent bond and a non polar covalent bond.
(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below
The type of bonding in X will be
Taking MgCl2 as an electrovalent compound, CCl4 as a covalent compound, give four difference between electrovalent and covalent compounds
The bond between two oxygen atoms is _______ bond.
Which of the following statements are correct for carbon compounds?
- Most carbon compounds are good conductors of electricity.
- Most carbon compounds are poor conductors of electricity.
- Force of attraction between molecules of carbon compounds is not very strong.
- Force of attraction between molecules of carbon compounds is very strong.
Two carbon atoms can always form one or two covalent bonds.
______ is an example of a covalent compound having a high melting point.
