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?

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Solution

(a) Covalent bond is present compound X because it is formed by sharing of electrons.
(b) Compound X has a low melting point because it is a covalent compound.
(c) Being a covalent compound, it will not be a good conductor of electricity.
(d) Covalent compounds dissolve in an organic solvent. Since X is a covalent compound, it will dissolve in an organic solvent.

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Similar questions

A metal combines with a non-metal by the transfer of electrons to form a compound Y.
(i) State the type of bonds in Y.
(ii) What can you say about its melting point and boiling point?
(iii) Will it be a good conductor of electricity?
(iv) Will it dissolve in an organic solvent or not?

Explain the following :

(a) Electrovalent compounds conduct electricity in molten or aqueous state.

(b) Electrovalent compounds have a high melting point and boiling point while covalent compounds have low melting and boiling points.

(a) Compound X consists of molecules.

Choose the letter corresponding to the correct answer from the options A, B, C and D given below :

(i) The type of bonding in X will be :

A. ionic B. electrovalent

C. covalent D. molecular

(ii) X is likely to have a :

A. low melting point and high boiling point,

B. high melting point and low boiling point,

C. low melting point and low boiling point,

D. high melting point and high boiling point.

(iii) In the liquid state, X will :

A. become ionic,

B. be an electrolyte

C. conduct electricity,

D. not conduct electricity.

(b) Electrons are getting added to an element Y :

(i) is Y getting oxidized or reduced ?

(ii) what charge will Y migrate to during the process of electrolysis ?

What type of chemical bonds are present in a solid compound which has a high melting point, does not conduct electricity in the solid state but becomes a good conductor in the molten state?

(a) Compound X consists of molecules.
Choose the letter corresponding to the correct answer from the choices (a), (b), (c) and (d) given below:
(i) The type of bonding in X will be:
(a) ionic
(b) electrovalent
(c) covalent
(d) molecular
(ii) X is likely to have a:
(a) low melting point and high boiling point
(b) high melting point and low boiling point
(c) low melting point and low boiling point
(d) high milting point and high boiling point
(iii) In the liquid state, X will:
(a) become ionic
(b) be an electrolyte
(c) conduct electricity
(d) not conduct electricity

(b) (i) Acids dissolve in water to produce positively charged ions. Draw the structure of these positive ions.
(ii) Explain, why carbon tetrachloride does not dissolve in water?
(iii) Elements Q and S react together to form an ionic compound. Under normal conditions, which physical state will the compound QS exist in?
(iv) Can Q and S, both be metals? Justify your answer.

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