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Classification of Elements and Periodicity in Properties
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Classification of Elements and Periodicity in Properties
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25 Questions

1. Identify the wrong statement in thefollowing: [2012]
2. Which of the following represents thecorrect order of increasing electron gainenthalpy with negative sign for the elements O - S - Fand Cl? [2010]
3. Which one of the following arrangementsrepresents the correct order of least negative tomost negative electron gain enthalpy for C - Ca - Al - Fand O? [2013]
4. Ionic radii are [2004]24
5. Elements of which of the following groups willform anions most readily? [1992]
6. forelements are useful in predicting [1989]
7. In the periodic table from left to right in aperiod - the atomic volume [1993]
8. Which one of the following arrangementsrepresents the correct order of electron gainenthalpy (with negative sign) of the givenatomic species? [2005]
9. If the atomic number of an element is 33 - itwill be placed in the periodic table in the [1993]
10. Among the elements Ca - Mg - Pand Cl - theorder of increasing atomic radii is: [2010]
11. The first ionization potentials (eV) of Be andBrespectively are [1998]
12. Pauling-™selectronegativityvalues6One would expect proton to have very large[1993]
13. Which of the following statements is true?[2002]
14. In the periodic table - with the increase inatomic number - the metallic character of anelement [1989]
15. The element - with atomic number 118 - willbe [1995]
16. Which one of the following ions will be thesmallest in size? [1996]
17. What is the value of electron gain enthalpyof Na+ if IE1 of Na = 5.1 eV? [2011]
18. Among K - Ca - Fe and Zn the element whichcan form more than one binary compound withchlorine is [2004]
19. Which of the following does not representthe correct order of the properties indicated[1997]
20. Na+ - Mg++ - Al3+ and Si4+ are isoelectronicTheorder of their ionic size is [1993]
21. Which electronic configuration of an elementhas abnormally high difference between secondand third ionization energy? [1993]
22. Correct order of first IP among followingelements Be - B - C - N - Ois [2001][1995]
23. Which one of the following oxides isexpected to exhibit paramagnetic behaviour?[2005]
24. One of the characteristic properties of nonmetals is that they [1993]
25. Which of the following sets has strongesttendency to form anions? [1993]