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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» (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. |
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