AIEEE 2004 (Chemistry) Mock Test

Which of the following sets of quantum numbers is correct for an electron in a $4f$ orbital?

Consider the ground state of a $\text{Cr}$ atom ($Z=24$). The number of electrons with azimuthal quantum numbers $l=1$ and $l=2$ are respectively:

Which one of the following ions has the highest value of ionic radius?

The wavelength of the radiation emitted, when in a hydrogen atom an electron falls from infinity to stationary state $1$, would be (Rydberg constant $R=1.097\times 10^7{\text{m}}^{-1}$):

The correct order of bond angles (smallest first) in ${\text{H}}_2\text{S},{\text{NH}}_3,{\text{BF}}_3$ and ${\text{SiH}}_4$ is: