Q18 of 400 Page 167

Which of the following compounds are ionic and which are covalent?

Urea, Cane sugar, Hydrogen chloride, Sodium chloride, Ammonium chloride, Carbon tetrachloride, Ammonia, Alcohol, Magnesium chloride.

The ionic compounds are:-

Sodium chloride, Ammonium chloride, Magnesium chloride.


The covalent compounds are:-


Urea, Cane sugar, Hydrogen chloride, Carbon tetrachloride, Ammonia, Alcohol.



More from this chapter

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15 State one major difference between covalent and ionic bonds and give one example each of covalent and ionic compounds. 17 Which inert gas electron configuration do the Cl atoms in Cl2 molecule resemble ? What is this electron configuration? 19 Give one example each of the following:

(i) A molecule containing a single covalent bond


(ii) A molecule containing a double covalent bond


(iii) A molecule containing a triple covalent bond


(iv) A compound containing an ionic bond

 20 Fill in the blanks in the following sentences:

(i) Two atoms of the same element combine to form a molecule. The bond between them is known as .......... bond.


(ii) Two chlorine atoms combine to form a molecule. The bond between them is known as ..........


(iii) In forming oxygen molecule, .......... electrons are shared by each atom of oxygen.


(iv) In forming N2 molecule, .......... electrons are shared by each atom of nitrogen.


(v) The number of single covalent bonds in C2H2 molecule are ...............


(vi) Melting points and boiling points of ionic compounds are generally ........than those of covalent compounds.