ExamBro
ExamBro
enEnglishhiहिन्दीguગુજરાતી
JEE Mains · Chemistry · STD 11 - 3. Classification of elements and periodicity in properties

પ્રથમ આયનીકરણ ઉર્જા નો સાયો ક્રમ _______ છે.

  1. A \(\mathrm{Al}>\mathrm{Ga}>\mathrm{Tl}\)
  2. B \(\mathrm{Ga}>\mathrm{Al}>\mathrm{B}\)
  3. C \(\mathrm{B}>\mathrm{Al}>\mathrm{Ga}\)
  4. D \(\mathrm{Tl}>\mathrm{Ga}>\mathrm{Al}\)
Verified Solution

Answer & Solution

Correct Answer

(D) \(\mathrm{Tl}>\mathrm{Ga}>\mathrm{Al}\)

Step-by-step Solution

Detailed explanation

(\(i\)) due to lanthanide contraction \(\mathrm{T} \ell\) has more \(I.E\). as compared to \(\mathrm{Ga}\) and \(\mathrm{A} \ell\) (\(ii\)) due to scandide contraction Ga has more \(I.E\). as compared to \(\mathrm{A} \ell\)
Same subject
Explore more questions on app
From JEE Mains
Explore more questions on app