An element X, in which the difference in electrons present in valence shell (M shell) and penultimate shell is equal to the number of electrons present in the first shell, undergoes combustion to produce Y. Y turns lime water milky due to the formation of Z. Identify X, Y and Z.

Options

A. `C, CO_2, CaCO_3`
B. `S, SO_2, CaSO_3`
C. `S, SO_2 , Ca(HSO_3)_2`
D. `C, CO_2, Ca(HCO_3)_2`

Answer

B

Explanation

Electronic configuration X is of 2, 8, 6. Hence, X is sulphur.