Question

Long Answer Type Questions
(5 Marks each)
10. (a) An element which is an essential constituent of all organic compounds belong
to which group?
(b) Account for the following:
Elements of group 18 are called zero-valent.
(c) If an element X is placed in group 14, what will be the formula and the nature of
bonding of its chloride?
(d) An element X forms a chloride with formula XCig. The element X would most
likely be in the same group of the periodic table as for which of the following
Na, Mg, Alor Ca.
(e) Elements of which groups will form acidic oxides?​

Answer 1

Answer:

a. it is carbon and it belongs to group 14

b.because they are already noble and don't need to lose or gain

c.formula will XCl4 and it will be covalent bond

d. Na

e.non-metals form acidic oxides... there fore group 14,15 ,16,17 will form acidic oxides