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Classification of Elements and Periodicity in Properties — JEE Main & Advanced NSEC PYQs

10 previous year questions from Classification of Elements and Periodicity in Properties with answers and solutions. Numbered list, year tags, and one-tap solutions — built for serious JEE / NEET practice.

10 questionsNSECSolutions on every page
1

Which of the following accounts best for the fact that F ⁻ is smaller than O ²⁻ ?

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Which of the following is correct about the isoelectronic species, Li ⁺ and H ⁻ ? I. H ⁻ is larger in size than Li ⁺ II. Li ⁺ is a better reducing agent than H ⁻ III. It requires m

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The energy required to remove an electron from a gaseous species ' X ' to form ' X '. is known as first ionization energy (IE) of X . The energy required to remove an electron from

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N ³⁻, F ⁻, Na ⁺ and Mg ²⁺ have the same number of electrons. Which of them will have the smallest and the largest ionic radii respectively?

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The following qualitative plots depict the first, second and third ionization energies (I.E.) of Mg , Al and K . Among the following, the correct match of I.E. and the metal is

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Among the following, the correct statement/s about 'p' block elements is/are I. The valence shell electronic configuration of all of them is ns ^2 np ¹⁻⁶ II. Only in p block, metal

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Oxide A is soluble in NaOH , oxide B in HCl and oxide C in both. The correct set of A , B and C is

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The correct order of ionic radii of Rb ⁺, Br ⁻, Sr ²⁺ and Se ²⁻ is

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If an element after oganesson ( Og , atomic number 118 and electronic configuration [ Rn ] 5 f ¹⁴ 6 ~d ¹⁰ 7 ~s ^2 7 p ^6 ) was discovered, in which of the following orbital, will t

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Identify the correct matching of the following oxides in column M with their property in column N : M N (i) Aluminium trioxide (p) Acidic oxide (ii) Calcium oxide (q) Basic oxide (

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