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PATHFINDER-CLASSIFICATION OF ELEMENTS AND PERIODICITY IN PROPERTIES-QUESTION BANK
- The IP1 , IP2 , IP3 , IP4 and IP5 of an element are 7.1 , 14.3 , 34.5 ...
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- The screening effect of d-electrons is
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- Correct orders of IE1 are (i) Li lt B lt Be lt C (ii) O lt N lt F ...
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- The maximum tendency to form unlpositive ion is for the element with t...
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- The second ionisation potentials in electron volts of oxygen and fluor...
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- A sudden large jump between the values of 2nd and 3rd IP of an element...
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- The ionization energy of sodium is 495 kJmol^(-1) How much energy is n...
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- IP1 and IP2 of Mg are 178 and 348 K cal mol^(-1). The enthalpy require...
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- The correct order of second I.P.
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- In which case the energy released in minimum
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- Second electron affinity of an element is
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- The electron affinity values for the halogens shown the following tren...
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- Electron affinities of O , F, S , and Cl are in the order
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- Increasing order of Electron affinity for following configuration. 1s...
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- If electronegativity of x be 3.2 and that of y be 2.2 the percentage i...
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- which of the following relation is correct ?
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- Which oxide of N is isoelectronic with CO2
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- Which of the following group does not represent the isoelectronic spec...
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- Which of the atoms having following electronic configuration will have...
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- The order of increasing ionisation energy for the atoms N , Ne , Na , ...
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