Classification of Elements and Periodicity in Properties
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Consider the following ionisation reactions : I.E. (kJ mol^-1) - I.E. (kJ mol^–1) A(g) → A...
By Deepak Rock, 2 years ago
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617
Which ionisation potential (IP) in the following equations involves the greatest amount of...
By Deepak Rock, 2 years ago
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204
If the ionization enthalpy and electron gain enthalpy of an element are 275 and 86 kcal mo...
By Deepak Rock, 2 years ago
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665
The basic character of MgO, BaO, Na2O and FeO follow the order
By Deepak Rock, 2 years ago
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401
Which property decreases from left to right across the periodic table and increases from t...
By Deepak Rock, 2 years ago
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309
Which one of the following ionic species has the greatest proton affinity to form stable c...
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Electron affinity is positive for (a) O(g) + e^- → O^- (g) (b) S(g) + e^- → S^-(g)
By Deepak Rock, 2 years ago
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354
Which of the following statements is wrong? (a) van der Waal’s radius of iodine is more th...
By Deepak Rock, 2 years ago
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307
Which one of the following statements is incorrect? (a) Greater the nuclear charge, greate...
By Deepak Rock, 2 years ago
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