Orbitals and their shapes

Identify the correct statements from the following :

A. Heisenberg uncertainty principle is applicable to electrons.

B. The size of $2p_x$ orbital is less than the size of $3p_x$ orbital.

C. The energy of 2s orbital of H atom is equal to the energy of 2s orbital of Li.

D. The electronic configuration of Cr is $[\mathrm{Ar}]\,3d^54s^1$

Choose the correct answer from the options given below:

Which of the following statement(s) is/are true ?

A. If two orbitals have the same value of $(n+l)$, the orbital with lower value of n will have lower energy.

B. Energies of the orbitals in the same subshell increase with increase in atomic number.

C. The size of $2p_x$ orbital is less than the size of $3p_x$ orbital.

D. Among 5f, 6s, 4d, 5p and 5d orbitals, none of the orbitals have 2 radial nodes.

Choose the correct answer from the options given below :

Match the LIST-I with LIST-II

Choose the correct answer from the options given below:

For diatomic molecules, the correct statement(s) about the molecular orbitals formed by the overlap of two $2p_z$ orbitals is(are)

The number of radial and angular nodes in 4d orbital are, respectively

Which of the following is the correct plot for the probability density $\Psi^2(r)$ as a function of distance '$r$' of the electron from the nucleus for 2s orbital?

The number of radial nodes and total number of nodes in 4p orbital respectively are :

The ground state energy of hydrogen atom is −13.6 eV. Consider an electronic state $\Psi$ of $\ce{He+}$ whose energy, azimuthal quantum number and magnetic quantum number are −3.4 eV, 2 and 0, respectively. Which of the following statement(s) is(are) true for the state $\Psi$?

For the given orbital in Column 1, the only CORRECT combination for any hydrogen-like species is

For hydrogen atom, the only CORRECT combination is

For $\ce{He+}$ ion, the only INCORRECT combination is

$P$ is the probability of finding the $1s$ electron of hydrogen atom in a spherical shell of infinitesimal thickness, $dr$, at a distance $r$ from the nucleus. The volume of this shell is $4\pi r^2dr$. The qualitative sketch of the dependence of $P$ on $r$ is

Not considering the electronic spin, the degeneracy of the second excited state $(n=3)$ of H atom is 9, while the degeneracy of the second excited state of $\ce{H-}$ is

Match the orbital overlap figures shown in List-I with the description given in List-II and select the correct answer using the code given below the lists.

The state $S_1$ is

Match the entries in Column I with the correctly related quantum number(s) in Column II. Indicate your answer by darkening the appropriate bubbles of the 4 × 4 matrix given in the ORS.