Olympiad workbook

Exam: Olympiad workbook
Subject: NSEC
Chapter: Classification of Elements and Periodicity in Properties

Olympiad workbook · NSEC · Classification of Elements and Periodicity in Properties

Among the following, the correct statement/s about 'p' block...

Among the following, the correct statement/s about 'p' block elements is/are I. The valence shell electronic configuration of all of them is

\mathrm{ns}^2 \mathrm{np}^{1-6}

II. Only in

p

block, metals, nonmetals and metalloids are present III. Halogens have the lowest negative electron gain enthalpy in the respective periods IV. Noble gases have no tendency to accept an electron and hence they have large negative values of electron gain enthalpy

Options

AI, IV
BII, III
CIV only
DII only

Correct answer

D. II only

Step-by-step solution

No solution

Practice Classification of Elements and Periodicity in Properties on Quantrex Academy →

More from Classification of Elements and Periodicity in Properties

Which of the following accounts best for the fact that F^ - is smaller than O^ 2- ? Olympiad workbook Which of the following is correct about the isoelectronic species, Li^ + and H^ - ? I. H^… Olympiad workbook The energy required to remove an electron from a gaseous species ' X ' to form ' X '. is… Olympiad workbook N^ 3- , F^ - , Na^ + and Mg^ 2+ have the same number of electrons. Which of them will… Olympiad workbook The following qualitative plots depict the first, second and third ionization energies… Olympiad workbook Oxide A is soluble in NaOH , oxide B in HCl and oxide C in both. The correct set of A, B… Olympiad workbook The correct order of ionic radii of Rb^ + , Br^ - , Sr^ 2+ and Se^ 2- is Olympiad workbook If an element after oganesson ( Og , atomic number 118 and electronic configuration [ Rn… Olympiad workbook Full Classification of Elements and Periodicity in Properties list All Olympiad workbook PYQs