MCQ
The two electrons in $K $ sub-shell will differ in
- APrincipal quantum number
- BAzimuthal quantum number
- CMagnetic quantum number
- ✓Spin quantum number
✓
Answer
Correct option: D.
Spin quantum number
d
(d) The two electrons will have opposite spins.
(d) The two electrons will have opposite spins.
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
If $Ni ^{2+}$ is replaced by $Pt ^{2+}$ in the complex $\left[ NiCl _2 Br _2\right]^{2-}$, which of the following properties are expected to get changed?
→$A.$ Geometry
$B.$ Geometrical isomerism
$C.$ Optical isomerism
$D.$ Magnetic properties
Which of the following is not correct for given reaction
→$Xe{F_6}\xrightarrow{{ + {H_2}O}}A\xrightarrow{{ + {H_2}O}}B\xrightarrow{{ + {H_2}O}}C$
Which of the following gives primary amine on reduction
Correct statements for the given reaction are :
→$A$. Compound ' $B$ ' is aromatic
$B$. The completion of above reaction is very slow
$C$. '$A$' shows tautomerism
$D$. The bond lengths $C - C$ in compound $B$ are found to be same
Choose the correct answer from the options given below :
The $IUPAC$ name of $C{H_3}COCH{(C{H_3})_2}$is
→The reduction potential of hydrogen half-cell will be negative if :
An aqueous solution freezes at $-\,2.55\,^oC$. ........ $^oC$ is its boiling point .
$[ K_b(H_2O) = 0.52\, K \,Kg\, mol^{-1},K_f (H_2O) = 1.86 \,K \,Kg\, mol^{-1} ]$
→$[ K_b(H_2O) = 0.52\, K \,Kg\, mol^{-1},K_f (H_2O) = 1.86 \,K \,Kg\, mol^{-1} ]$
The electronic configuration $1{s^2}2{s^2}2p_x^12p_y^12p_z^1$
→An example of a neutral oxide is
Two percent of ethanol is added during the oxidation of chloroform to stop the formation of carbonyl chloride. In this reaction ethanol acts as