(i) Give the name and formula of the inorganic compound.

(ii) Write the name and formula of the organic compound formed.

(b) Give the molecular formula of butane and mention the names of its two isomers. Name one fuel that contains both these isomers.

Solution:

(a) (i) The inorganic compound is Ammonium cyanate, NH₄CNO

(ii) Urea was the synthesised organic compound. CO(NH₂)₂

(b) The molecular formula of butane is C₄H₁₀; Its isomers are n-butane and 2-methylpropane; LPG is a fuel that contains both these isomers.