For 3 s orbital of hydrogen atom, the normalized wave function isψ3s=1813π(1a0)3/2[27−18ra0+2r2a02]e−r3a0If distance between the radial nodes is d, calculate the value of d1.73a0 (Rounding to nearest integer)

For radial nodeψ3s=0=1813π(1a0)3/2[27−18ra0+2r2a02]e−r/3a027−18ra0+2r2a02=0 r=−−(18a0)±(−18a0)2−4×2×27a022×2 =18a0±10.39a04distance between to radial node(d)d1.73a0=2×10.39a04×1.73a0d=3

Book Online Demo

Check Your IQ

Try Test

Courses

Dropper NEET Course Dropper JEE Course Class - 12 NEET Course Class - 12 JEE Course Class - 11 NEET Course Class - 11 JEE Course Class - 10 Foundation NEET Course Class - 10 Foundation JEE Course Class - 10 CBSE Course Class - 9 Foundation NEET Course Class - 9 Foundation JEE Course Class -9 CBSE Course Class - 8 CBSE Course Class - 7 CBSE Course Class - 6 CBSE Course

Offline Centres

For 3 s orbital of hydrogen atom, the normalized wave function is
$ψ_{3 s} = \frac{1}{81 \sqrt{3 π}} {(\frac{1}{a_{0}})}^{3 / 2} [27 - \frac{18 r}{a_{0}} + \frac{2 r^{2}}{a_{0}^{2}}] e^{\frac{- r}{3 a_{0}}}$
If distance between the radial nodes is d, calculate the value of $\frac{d}{1.73 a_{0}}$ (Rounding to nearest integer)

see full answer

High-Paying Jobs That Even AI Can’t Replace — Through JEE/NEET

🎯 Hear from the experts why preparing for JEE/NEET today sets you up for future-proof, high-income careers tomorrow.

An Intiative by Sri Chaitanya

answer is 3.

(Unlock A.I Detailed Solution for FREE)

Best Courses for You

JEE

NEET

Foundation JEE

Foundation NEET

CBSE

Detailed Solution

For radial node
$ψ_{3 s} = 0 = \frac{1}{81 \sqrt{3 π}} {(\frac{1}{a_{0}})}^{3 / 2} [27 - \frac{18 r}{a_{0}} + \frac{2 r^{2}}{a_{0}^{2}}] e^{- r / 3 a_{0}}$
$27 - \frac{18 r}{a_{0}} + \frac{2 r^{2}}{a_{0}^{2}} = 0 r = - \frac{- (18 a_{0}) \pm \sqrt{{(- 18 a_{0})}^{2} - 4 \times 2 \times 27 a_{0}^{2}}}{2 \times 2} = \frac{18 a_{0} \pm 10.39 a_{0}}{4}$
distance between to radial node(d)
$\frac{d}{1.73 a_{0}} = \frac{2 \times 10.39 a_{0}}{4 \times 1.73 a_{0}}$ $d = 3$

Watch 3-min video & get full concept clarity

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE

Ready to Test Your Skills?

Check your Performance Today with our Free Mock Test used by Toppers!

Take Free Test

Get Expert Academic Guidance – Connect with a Counselor Today!

Result Producing online coaching for JEE/NEET of south India

Largest All India Test Series for JEE/NEET

Best Online Course for IIT JEE

Best Online Course for NEET

Best Online Course for CBSE