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JEE Mains · Chemistry · STD 11 -p-Block elements - I

Match List \(I\) with List \(II\). Choose the correct answer from the options given below:
List \(-I\)List \(-II\)
\(A.\) Melting point \([\mathrm{K}]\)\(I.\) \(\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}>\mathrm{Al}>\mathrm{B}\)
\(B.\) Ionic Radius \(\left[\mathrm{M}^{+3} / \mathrm{pm}\right]\)\(II.\) \(\mathrm{B}>\mathrm{Tl}>\mathrm{Al} \approx \mathrm{Ga}>\mathrm{In}\)
\(C.\) \(\Delta_{\mathrm{i}} \mathrm{H}_1 \) \([\mathrm{~kJ} \mathrm{~mol}^{-1}]\)\(III.\) \(\mathrm{Tl}>\mathrm{In}>\mathrm{Al}>\mathrm{Ga}>\mathrm{B}\)
\(D.\) Atomic Radius \([pm]\)\(IV.\) \(\mathrm{B}>\mathrm{Al}>\mathrm{Tl}>\mathrm{In}>\mathrm{Ga}\)

  1. A \(A-III, B-IV, C-I, D-II\)
  2. B \(A-II, B-III, C-IV, D-I\)
  3. C \(A-IV, B-I, C-II, D-III\)
  4. D \(A-I, B-II, C-III, D-IV\)
Verified Solution

Answer & Solution

Correct Answer

(C) \(A-IV, B-I, C-II, D-III\)

Step-by-step Solution

Detailed explanation

Melting point : \(\mathrm{B}>\mathrm{A} \ell>\mathrm{T} \ell>\mathrm{In}>\mathrm{Ga}\) Ionic radius \(\left(\mathrm{M}^{+3} / \mathrm{pm}\right): \mathrm{T} \ell>\mathrm{In}>\mathrm{Ga}>\mathrm{A} \ell>\mathrm{B}\)…
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