MCQ
A certain orbital has no angular nodes and two radial nodes. The orbital is
- A$2\, s$
- ✓$3\, s$
- C$3\, p$
- D$2\, p$
✓
Answer
Correct option: B.
$3\, s$
b
$1=0 \Rightarrow$ $'s'$ orbital
$1=0 \Rightarrow$ $'s'$ orbital
$n-l-1=2$
$n-1=2$
$n =3$
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
Spin only magnetic moment of an octahedral complex of $\mathrm{Fe}^{2+}$ in the presence of a strong field ligand in $B.M.$ is $.....$
→Based on $VSEPR$ theory, the number of $90$ degree $\mathrm{F}-\mathrm{Br}-\mathrm{F}$ angles in $\mathrm{BrF}_5$ is
→Assertion : Aniline does not undergo Friedel- Crafts reaction.
Reason : $-NH_2$ group of aniline reacts with $AlCl_3$ (Lewis acid) to give acid-base reaction
→Reason : $-NH_2$ group of aniline reacts with $AlCl_3$ (Lewis acid) to give acid-base reaction
In $O_2^ - ,$ ${O_2}$ and $O_2^{ - 2}$ molecular species, the total number of antibonding electrons respectively are
→The number of bridged oxygen atoms present in compound $B$ formed from the following reactions is
→$Pb \left( NO _{3}\right)_{2} \stackrel{673 K }{\longrightarrow} A + PbO + O _{2}$
$A \stackrel{\text { Dimerise }}{\longrightarrow} B$
What volume of dioxygen is required for complete combustion of $2\, volumes$ of acetylene gas at $NTP$ ? ................. $\mathrm{Volumes}$
→The main product of following reaction will be
The $IUPAC$ name of the following structure is
→$[CH_3CH(CH_3)]_2 \,C(CH_2CH_3)C(CH_3) C(CH_2CH_3)_2$
How many stereoisomers does this molecule have ?
→$CH_3CH=CHCH_2CHBrCH_3$
Which of the following acid on heating gives geometrical isomers as a product ?