Chemistry
The energy required to remove an electron from a neutral isolated gaseous atom is called
- Ionisation Potential
- Electronegativity
- Electron Affinity
- Valency
Periodic Table
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Answer
Ionisation Potential
Reason — Ionisation Potential is the energy required to remove an electron from a neutral isolated gaseous atom and convert it into a positively charged gaseous ion.
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Related Questions
The element with the least electronegativity is :
- Lithium
- Carbon
- Boron
- Fluorine
A dry test tube containing lead nitrate is heated. Which of the following would be observed?
P. Brown fumes are given out.
Q. White coloured residue with yellow fumes are seen.
R. Yellow coloured residue is seen.
- Only P
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- Both P and R
Complete the following by choosing the correct answer from the bracket.
(a) The number of electrons present in valence shell of a halogen is …………… (5/7).
(b) The degree of ionisation of an acid in an aqueous solution is called its ……………(strength/concentration)
(c) Pure nitric acid decomposes to give yellow solution on exposure to heat due to the formation of …………… (nitrogen dioxide/nitrogen trioxide)
(d) Hydrocarbon having triple bond is called …………… (alkene/alkynes)
(e) The commonly used catalyst for the conversion of ethene to ethane is …………… (nickel/iron).
Match the following Column I with Column II
Column I Column II (a) Use to measure H+ ion concentration 1. White ppt. (b) Na2ZnO2 2. H2SO4 (c) Use to dry hydrogen gas 3. pH scale (d) Sublimes on heating 4. Colourless, soluble (e) Cu(OH)2 5. Ammonium chloride