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Q. No.Mark the incorrect statement regarding Mohr's salt.
1. It is soluble in water.
2. It turns blue litmus paper red.
3. It turns red litmus paper blue.
4. It gives effervescence with sodium bicarbonate evolving carbon dioxide.
Subtopic: Preparation of the Organic and Inorganic compounds |
55%
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NEET 2026 - Target Batch - Vital
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Which of the following solutions will cause Mohr's salt to precipitate out as iron (II) hydroxide?
| 1. | Hydrochloric acid | 2. | Sodium hydroxide |
| 3. | Sulphuric acid | 4. | Potassium nitrate |
Subtopic: Preparation of the Organic and Inorganic compounds |
52%
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Mohr's salt is primarily used as a/an:
1. reducing agent
2. oxidizing agent
3. complexometric indicator
4. pH indicator
1. reducing agent
2. oxidizing agent
3. complexometric indicator
4. pH indicator
Subtopic: Preparation of the Organic and Inorganic compounds |
51%
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NEET 2026 - Target Batch - Vital
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When potash alum reacts with sodium hydroxide, what is formed?
1. Aluminum hydroxide
2. Aluminum oxide
3. Aluminum sulfate
4. Aluminum carbonate
1. Aluminum hydroxide
2. Aluminum oxide
3. Aluminum sulfate
4. Aluminum carbonate
78%
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Mark the correct option regarding the Preparation of Double Salt: Ferrous Ammonium Sulphate.
| Assertion (A). | Equimolar quantities of reacting compounds are used in the preparation of double salts. |
| Reason (R) | The properties of the individual cation or anion do not change in double salts when it gets dissociated. |
| 1. | Both (A) and (R) are True and (R) is the correct explanation of (A). |
| 2. | Both (A) and (R) are True but (R) is not the correct explanation of (A). |
| 3. | (A) is True but (R) is False. |
| 4. | (A) is False but (R) is True. |
Subtopic: Preparation of the Organic and Inorganic compounds |
51%
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Which of the following ions is responsible for the acidic nature of a solution of potash alum?
| 1. | \(Al^{3+}\) | 2. | \(K^+\) |
| 3. | \(SO^{2-}_4\) | 4. | \(OH^-\) |
Subtopic: Preparation of the Organic and Inorganic compounds |
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Subtopic: Preparation of the Organic and Inorganic compounds |
73%
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What is the first step in the preparation of p-nitroacetanilide?
1. Nitration of acetanilide
2. Acetylation of aniline
3. Nitration of nitrobenzene
4. Acetylation of nitrobenzene
1. Nitration of acetanilide
2. Acetylation of aniline
3. Nitration of nitrobenzene
4. Acetylation of nitrobenzene
Subtopic: Preparation of the Organic and Inorganic compounds |
70%
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In the preparation of p-nitroacetanilide, what role does acetic anhydride play?
1. It acts as a catalyst
2. It serves as a solvent
3. It acetylates the amino group
4. It nitrosylates the amino group
1. It acts as a catalyst
2. It serves as a solvent
3. It acetylates the amino group
4. It nitrosylates the amino group
Subtopic: Preparation of the Organic and Inorganic compounds |
77%
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Read the statements regarding the Nitrate \((NO^-_3)\) ion
1. Statement I is incorrect and Statement II is correct.
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct and Statement II is incorrect.
| Statement I: | Mix the water extract with Fe(II) sulphate solution and add one drop of \(HNO_3\) along side of the test tube |
| Statement II: | Formation of brown ring at the junction of the acid and the solution. |
2. Both Statement I and Statement II are correct.
3. Both Statement I and Statement II are incorrect.
4. Statement I is correct and Statement II is incorrect.
Subtopic: Detection of Anions |
82%
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