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