Chemistry · JEE

Hard Atomic Structure MCQs for JEE

138+ syllabus-aligned questions available

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Hard Atomic Structure MCQs train multi-concept problem solving — attempt after mastering easy and medium sets (130+ on Goodmarks).

Push your limits with hard Atomic Structure MCQs designed for JEE Advanced-level thinking. 130+ questions with detailed solutions.

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Q1ChemistryUnit 2: Atomic Structure

The energy of an electron in the ground state of

\boldsymbol{H}

atom is

-\mathbf{1 3 . 6 e V}

The negative sign indicates that:

Q2ChemistryUnit 2: Atomic Structure

Which of the following statements is incorrect?

Q3ChemistryUnit 2: Atomic Structure

Radiation of wavelength 242 nm is sufficient to ionize the sodium atom. Calculate the ionization energy in

\boldsymbol{k J} \boldsymbol{m o l}^{-1} \cdot\left(\boldsymbol{n}=\mathbf{6 . 6 2 5} \times \mathbf{1 0}^{-\mathbf{3 4}} \boldsymbol{J}-\boldsymbol{s}\right)

Q4ChemistryUnit 2: Atomic Structure

The wavelength of the radiation emitted when an electron falls from Bohr orbit 4 to 2 in hydrogen atom is:

Q5ChemistryUnit 2: Atomic Structure

Which of the following statements about Rutherford's model of an atom are correct? This question has multiple correct options

Q6ChemistryUnit 2: Atomic Structure

IUPAC symbol of atomic number 119

Q7ChemistryUnit 2: Atomic Structure

An atomic hydrogen is:

Q8ChemistryUnit 2: Atomic Structure

Which of the following statements is not true about canal rays?

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