Chemistry
Element M forms a chloride with the formula MCl2 which is a solid with high melting point. M would most likely be in the group in which ………….. is placed.
(a) Na
(b) Mg
(c) Al
(d) Si
Related Questions
An element M burns in oxygen to form an ionic bond MO. Write the formula of the compounds formed if this element is made to combine with chlorine and sulphur separately.
Element A has 2 electrons in its M shell. Element B has atomic number 7.
(a) Write equations to show how A and B form ions.
(b) If B is a diatomic gas, write the equation for the direct combination of A and B to form a compound.
(c) If the compound formed between A and B is melted and an electric current is passed through the molten compound, the element A will be obtained at the …………. and B at the ………… of the electrolytic cell.
Complete the following
Sodium Phosphorus Carbon Formula of chloride Nature of bonding Physical state of chloride 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.