(i) The energy required to remove an electron from a neutral isolated gaseous atom and convert it into

Question

Fill in the blanks with the choices given in brackets.

(i) The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ......... (electron affinity, ionisation potential, electronegativity)

(ii) The compound that does not have a lone pair of electrons is .......... (water, ammonia, carbon tetra chloride). 

(iii) Wen a metallic oxide is dissolved in water, the solution formed has a high concentration of ............ ions. (H⁺, H₃O⁺ , OH^- ). 

(iv) Potassium sulphite on reacting with hydrochloric acid releases ........... gas. (Cl₂, SO₂, H₂S). 

(v) The compound formed when ethene reacts with Hydrogen is ........... (CH₄, C₂H₆, C₃H₈).

Answer 1

(i) The energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion is called ionisation potential. 

(ii) The compound that does not have a lone pair of electron is carbon tetrachloride.

(iii) When a metallic oxide is dissolved in water, the solution formed has a high concentration of OH^- ions. 

(iv) Potassium sulphite on reacting with hydrochloric acid releases SO₂ gas. 

(v) The compound formed when ethene reacts with hydrogen is C₂H₆.