EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2019>Q 2

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IMPORTANT

Earn 100

In a homonuclear molecule, which of the following set of orbitals is degenerated?

47.06% studentsanswered this correctly

Important Questions on Atomic Structure

HARD

BITSAT

IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2019>Q 3

If the photon of wavelength

150 pm

strikes an atom and one of its inner bound electron is ejected out with a velocity of

1.5 \times 10^{7} m / s

, what is the energy with which it is bound to the nucleus?

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2018>Q 4

If

[\frac{0.53 \times 10^{- 10}}{4}]

metre is the radius of smallest electron orbit in hydrogen like atom, then the atom is

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2018>Q 5

In an atom, an electron is moving with a speed of

600 m / s

with an accuracy of

0.005 %

. Certainty with which the position of the electron can be located is (

h = 6.6 \times 10^{- 34} kg m^{2} s^{- 1}

, mass of electron,

m_{e} = 9.1 \times 10^{- 31} kg

)

EASY

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2017>Q 6

The orbital angular momentum of an electron is

2 s

orbital is

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IMPORTANT

EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2017>Q 7

Which of the following are isoelectronic species?

I. $\overset{+}{C} H_{3}$

II. ${NH}_{2}^{-}$

III. ${NH}_{4}^{+}$

IV. ${NH}_{3}$

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EMBIBE CHAPTER WISE PREVIOUS YEAR PAPERS FOR CHEMISTRY>Chapter 2 - Atomic Structure>BITSAT 2017>Q 8

Which of the following is an incorrect set of quantum members?