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JEE Main 202122 JulyMorning Shift
Exam
JEE Main
Year
2021
Date
22 July
Shift
Morning Shift
Subject
Chemistry
Chapter
Classification of Elements and Periodicity in Properties

JEE Main 2021 · 22 July · Morning Shift · Chemistry · Classification of Elements and Periodicity in Properties

Which one of the following statements for D.I. Mendeleeff, is...

Which one of the following statements for D.I. Mendeleeff, is incorrect ?

Options

  1. AHe authored the textbook - Principles of Chemistry.
  2. BAt the time, he proposed Periodic Table of elements structure of atom was known.
  3. CElement with atomic number 101101 is named after him.
  4. DHe invented accurate barometer.

Correct answer

B. At the time, he proposed Periodic Table of elements structure of atom was known.

Step-by-step solution

At the time, he proposed the periodic table but structure of atom was unknown.
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