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JEE Mains · Chemistry · STD 12 - p -Block elements - ll

Match List \(I\) with List \(II\)
List \(I\) (Anion) List \(II\) \((\)Gas evolved on reaction with dil \(H _{2} SO _{4})\)
\(A.\) \(CO _{3}^{2-}\) \(I.\) Colourless gas which turns lead acetate paper black
\(B.\) \(S^{2-}\) \(II.\) Colourless gas which turns acidified potassium dichromate solution green.
\(C.\) \(SO_{3}{ }^{2-}\) \(III.\) Brown fumes which turns acidified KI solution containing starch blue.
\(D.\) \(NO _{2}^{-}\) \(IV.\) Colourless gas evolved with brisk effervescence, which turns lime water milky.
Choose the correct answer from the options given below

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

Answer & Solution

Correct Answer

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

Step-by-step Solution

Detailed explanation

\(CO _{3}{ }^{2-}\) will give \(CO _{2}( g )\) which will turns lime water milky. \(S ^{2-}\) will give \(H _{2} S ( g )\), will turns lead acetate paper black. \(SO _{3}{ }^{2-}\) will give \(SO _{2}( g )\), which will turns acidified potassium dichromate solution green.…
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