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Q. No.The element from group 15 that forms a strong bond with hydrogen is:
1. N
2. P
3. As
4. Sb
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyPH3 forms bubbles when passed slowly through water but NH3 gets dissolved in water, because:
| 1. | NH3 forms an H-bond with water, so it is soluble but PH3 does not form an H-bond. |
| 2. | NH3 does not form an H-bond with water, so it is soluble but PH3 does form an H-bond. |
| 3. | NH3 and PH3 both form H-bond with water. |
| 4. | NH3 and PH3 both do not form H-bond with water. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe bonding present in nitrogen molecules is:
1. \(p\pi-p\pi\)
2. \(p\pi-d\pi\)
3. \(d\pi-d\pi\)
4. Only sigma bond
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
An element that does not have a d-orbital is:
1. P
2. N
3. As
4. Bi
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyNH3 forms a hydrogen bond but PH3 does not because:
| 1. | Phosphorus is more electronegative as compared to nitrogen. |
| 2. | Nitrogen is more electronegative as compared to phosphorus. |
| 3. | Nitrogen and phosphorous have equal electronegativity. |
| 4. | Nitrogen is more stable as compared to phosphorus. |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the following:
| (a) Pure nitrogen | (i) Chlorine |
| (b) Haber process | (ii) Sulphuric acid |
| (c) Contact process | (iii) Ammonia |
| (d) Deacon's process | (iv) Sodium azide or Barium azide |
| (a) | (b) | (c) | (d) | |
| 1. | (iv) | (iii) | (ii) | (i) |
| 2. | (i) | (ii) | (iii) | (iv) |
| 3. | (ii) | (iv) | (i) | (iii) |
| 4. | (iii) | (iv) | (ii) | (i) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch the formulas of oxides given in Column I with the type of oxide given in Column II and mark the correct option.
| Column I | Column II |
| A. Pb3O4 | 1. Neutral oxide |
| B. N2O | 2. Acidic oxide |
| C. Mn2O7 | 3. Basic oxide |
| D. Bi2O3 | 4. Mixed oxide |
Codes
| A | B | C | D | |
| 1. | 1 | 2 | 3 | 4 |
| 2. | 4 | 1 | 2 | 3 |
| 3. | 3 | 2 | 4 | 1 |
| 4. | 4 | 3 | 1 | 2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe respective oxidation states of P in H4P2O5, H4P2O6, and H4P2O7 are:
1. +3, +5, and +4
2. +5, +3, and +4
3. +5, +4, and +3
4. +3, +4, and +5
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyA balanced chemical equation for the reaction showing catalytic oxidation of NH3 by atmospheric oxygen is:
| 1. | 4NH3 + \(\underset{\text{From air}}{5O_2} \) \(\xrightarrow[\text{500 K; 9 bar}]{\text{Pt / Rh gauge catalyst}}\) 4NO + 6H2O |
| 2. | 3NH4 + \(\underset{\text{From air}}{5O_2} \) \(\xrightarrow[\text{500 K; 9 bar}]{\text{Pt / Rh gauge catalyst}}\) 3NO + 6H2O |
| 3. | 4NH3 + \(\underset{\text{From air}}{5O_2} \) \(\xrightarrow[\text{cold}]{\text{no catalyst}}\) 4NO + 6H2O |
| 4. | 3NH4 + \(\underset{\text{From air}}{5O_2} \) \(\xrightarrow[\text{cold}]{\text{no catalyst}}\) 3NO + 6H2O |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAn element belongs to group 15 and 3rd period of the periodic table. Its electronic configuration would be:
1. 1s2 2s2 2p4
2. 1s2 2s2 2p3
3. 1s2 2s2 2p6 3s2 3p2
4. 1s2 2s2 2p6 3s2 3p3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologySelect Chapter Topics:
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