Download App

2. structure of atom — Chemistry STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceChemistry2. structure of atom1 Mark
MCQ
Which of the following set of quantum number is impossible for an electron ?
  • A
    $n = 1, l = 0, m_l = 0, m_s = + \frac{1}{2}$
  • B
    $n = 9, l = 7, m_l = -6, m_s = - \frac{1}{2}$
  • C
    $n = 2, l = 1, m_l = 0, m_s = + \frac{1}{2}$
  • ✓
    $n = 3, l = 2, m_l = -3, m_s = + \frac{1}{2}$
✓

Answer

Correct option: D.
$n = 3, l = 2, m_l = -3, m_s = + \frac{1}{2}$
d
$l = 2,\, m_l = -3$ not possible

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 2. structure of atom→2. structure of atom — all question types→Chemistry STD 11 Science question papers→Gujarat Board STD 11 Science question papers→Gujarat Board question paper generator→

Similar questions

Given the correct order of initials $T$ or $F$ for following statements. Use $T$ if  statements is true and $F$ if it is false

$(I)\, (CH_3)_2P(CF_3)_3$ is non-polar and $(CH_3)_3P(CF_3)_2$ is polar  molecule
$(II)\, CH_3 \widehat{P} CH_3$ bond angles are equal in $(CH_3)_3P(CF_3)_2$ molecule
$(III)\,PF_3$ will be more soluble in polar solvent than $SiF_4$

→
Bonds present in $CuS{O_4}.5{H_2}O$ is
→
Double bond equivalent of cubane is 
→
A solution of (salt+water) which has the $pH>7,$ then the salt contains
→
The spin of the electron
→
$CH_3-C \equiv C-O-CH_3 \xrightarrow{{dil.\,{H_2}S{O_4},HgS{O_4}}}$ major product
→
An element in its native state will have the oxidation number :
→
When $\psi_{\mathrm{A}}$ and $\Psi_{\mathrm{B}}$ are the wave functions of atomic orbitals, then $\sigma^*$ is represented by :
→
Phosphine $[PH_3(g)]$ decomposes to produce vapours of phosphorus $(P_4)$ and $H_2$ gas. What will be the change in volume when $100\ mL$ of phosphine is decomposed ? .......... $mL$
→
Correct $IUPAC$ name is :-
→