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An increase in equivalent conductance of a strong electrolyte with dilution is mainly due to
1. increase in number of ions
2. increase in ionic mobility of ions
3. increase in both, i.e., number of ions and ions mobility of ions
4. at normal dilution 100% ionization of electrolyte
52%
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The rate constant for a first order reaction becomes six times when the temperature is raised from 350 K to 400 K. Calculate the activation energy for the reaction. 
60%
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In electrorefining of copper some gold is deposited at
1. cathode
2. anode mud
3. cathode mud
4. electrode
60%
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Europium element belongs to:
1. s – block element
2. p – block element
3. d – block element
4. f – block element
1. s – block element
2. p – block element
3. d – block element
4. f – block element
Subtopic: Modern Periodic Table & Periodicity |
72%
From NCERT
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The stability of ferric ion is due to
1. half-filled d-orbitals
2. half-filled f-orbitals
3. completely filled d-orbitals
4. completely filled f-orbitals
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