Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

Periodic Table and Periodicity question

2021 · 22 Jul · Shift 2 · Q1
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /Periodic Table and Periodicity
  5. /2021 · 22 Jul · Shift 2 · Q1

Periodic Table and Periodicity question

2021 · 22 Jul · Shift 2 · Q1

JEE MainChemistryPeriodic Table and PeriodicityMCQ+4 / −1
Which one of the following statements for D.I. Mendeleeff, is incorrect?
  1. A
    He authored the textbook - Principles of Chemistry
  2. B
    At the time, he proposed Periodic Table of elements structure of atom was known.
  3. C
    Element with atomic number 101 is named after him.
  4. D
    He invented accurate barometer.
PreviousNext

More from Periodic Table and Periodicity

  • Number of amphoteric compounds among the following is ​. (A) BeO (B) BaO (C) Be(OH)2​ (D) Sr(OH)2​2021 · Numerical
  • Consider the elements Mg, Al, S, P and Si, the correct increasing order of their first ionization enthalpy is :2021 · MCQ
  • The correct order of bond dissociation enthalpy of halogens is :2021 · MCQ
  • The ionic radii of K+, Na+, Al3+ and Mg2+ are in the order:2021 · MCQ
  • The ionic radii of F− and O2− respectively are 1.33 Ao​ and 1.4 Ao​, while the covalent radius of N is 0.74 Ao​. The correct statement for the ionic radius of N3− from the…2021 · MCQ
  • Given below are two statements : one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) : Barium carbonate is insoluble in water and is highly stable. Reason (R) : The thermal stability of the carbonates…2021 · MCQ
  • Match List - I with List - II. Choose the most appropriate answer from the options given below : Includes table2021 · MCQ
  • The correct order of electron gain enthalpy is :2021 · MCQ