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
(iv) The property which is characteristic of an electrovalent compound is
that :
A. it is easily vaporized,
B. it has a high melting point,
C. it is a weak electrolyte,
D. it often exists as a liquid.
(v) When a metal atom becomes an ion :
A. it loses electrons and is oxidized,
B. it gains electrons and is reduced,
C. it gains electrons and is oxidized,
D. it loses electrons and is reduced.
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