Q. No.\(\mathrm{NH}_4 \mathrm{SCN} \) can be used to test:
1. \(\mathrm{Fe}^{3+} \)
2. \(\mathrm{Co}^{2+}, \mathrm{Cu}^{2+}\)
3. \(\mathrm{Fe}^{3+}, \mathrm{Cu}^{2+}\)
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Duma's Test
2. Beilstein's Test
3. Lasssigne's Test
4. Liebg's Test
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Sulfur (\(S\))
2. Chlorine (\(Cl\))
3. Carbon (\(C\)) and Hydrogen (\(H\))
4. Nitrogen (\(N\))
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. Sulphite
2. Sulphide
3. Acetate
4. Carbonate
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| 1. | \(SO^{2-}_3\) | 2. | \(NO^{-}_2\) |
| 3. | \(S^{2-}\) | 4. | All of the above |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
Salt (A), when heated, releases a colorless neutral gas that supports combustion. Based on the diagram provided, it can be concluded that compound (A) contains the following acid radical:
| 1. | \(\mathrm{NO}_2^{-} \) | 2. | \(\mathrm{NO}_3^{-} \) |
| 3. | \(\mathrm{Br}^ - \) | 4. | \(\mathrm{SO}_3{ }^{2-}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySalt (A) on heating gives a colourless neutral gas that supports combustion. It can be concluded, based on the diagram given above that the correct statement(s) among the following is/are:
1. Salt (A) gives a yellow precipitate with chloroplatinic acid as well as with sodium cobaltinitrite.
2. The brown ring is formed due to the formation of nitroso ferrous sulphate \([\mathrm{Fe}(\mathrm{NO})]^{2+} \mathrm{SO}_4^{-}\)
3. Salt ‘C’ reacts with silver nitrate solution to form a white precipitate.
4. (A) and (B) both.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(CO^{2-}_3\)
2. \(SO^{2-}_3\)
3. \(S^{2-}\)
4. \(NO^-_2\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. HgS
2. NiS
3. CoS
4. All of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(i) turbidity with baryta water
(ii) turns acidified dichromate solution green
The reaction indicates the presence of:
1. \(CO^{2-}_3\)
2. \(S^{2-}\)
3. \(SO^{2-}_3\)
4. \(NO^{-}_2\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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