Structure of Atom

Which of the following pairs of $d-$orbitals will have the electron density along the axis?

The potential energy $(y)$ curve for $H_{2}$ formation asa function of internuclear distance $(x)$ of the $H$ atomsis shown below. The bond energy of $H_{2}$ is :

If radius of second Bohr orbit of the $\mathrm{He}^{+}$ion is $105.8\mathrm{pm}$, what is the radius of third Bohr orbit of $\mathrm{Li}^{2+}$ ion?

The angular momentum of electron in $d$-orbital is equal to

Which one of the following statementsis wrong?

Consider the following reactions \(\mathrm{NiS}+\mathrm{HNO}_3+\mathrm{HCl} \rightarrow \mathrm{A}+\mathrm{NO}+\mathrm{S}+\mathrm{H}_2 \mathrm{O}\) \(\begin{aligned} \mathrm{A}+\mathrm{NH}_4 \mathrm{OH}+\mathrm{H}_3…

$1\mathrm{kg}$ of $0.75$molal aqueous solution of sucrose can be cooled up to $-4^{\circ}C$ before freezing. The amount of ice (in $g$) that will be separated out is ___________. (Nearest integer) [Given :…

The $\mathrm{AsF}_5$ molecule is trigonal bipyramidal. The hybrid orbitals used by the As atoms for bonding are

The compound used in enrichment of uranium for nuclear power plant is

Consider the following sets of quantum numbers: \(\begin{array}{|c|c|c|c|c|} \hline & n & l & m & s \\ \hline \text {(i) } & 3 & 0 & 0 & +1 / 2 \\ \text {(ii) } & 2 & 2 & 1 & +1 / 2 \\ \text {(iii) } & 4 & 2 & -2 & -1 /…

What is the maximum number of orbitals that can be identified with the following quantum number \$n=3,l=1,m=0$?

Match List I with List II :List I (Quantum Numbers)List II (Orbital)'n''l'A.$21$I. $3d$B.$40$II. $2p$C.$53$III. $4s$D.$32$IV. $5f$Choose the correct answer from the options given below :