- 1(current)
Q. No.Valence electrons in the element X are 3 and that in element Y is 6. The most probable compound formed from X and Y is:
1. X2Y
2. XY2
3. X6Y3
4. X2Y3
1. X2Y
2. XY2
3. X6Y3
4. X2Y3
From NCERT
Subtopic: Nature of Compound |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich of the following pair is correctly matched?
1. Basic oxides - \(\mathrm{In_2O_3 , K_2O , SnO_2}\)
2. Neutral oxides - \(\mathrm{CO, NO_2, N_2O}\)
3. Acidic oxides - \(\mathrm{Mn_2O_7, SO_2, TeO_3}\)
4. Amphoteric oxides -\(\mathrm{BeO , Ga_2O_3 , GeO }\)
1. Basic oxides - \(\mathrm{In_2O_3 , K_2O , SnO_2}\)
2. Neutral oxides - \(\mathrm{CO, NO_2, N_2O}\)
3. Acidic oxides - \(\mathrm{Mn_2O_7, SO_2, TeO_3}\)
4. Amphoteric oxides -\(\mathrm{BeO , Ga_2O_3 , GeO }\)
Subtopic: Nature of Compound |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyGiven below are two statements:
| Statement I: | Dissociation is the process of separation of ions in the water already existing as such in the solid state of the solute like NaCl. |
| Statement II: | Ionization corresponds to a process in which neutral molecules split into charged ions in the solution. |
| 1. | Both Statement I and Statement II are correct. |
| 2. | Both Statement I and Statement II are incorrect. |
| 3. | Statement I is correct and Statement II is incorrect. |
| 4. | Statement I is incorrect and Statement II is correct. |
From NCERT
Subtopic: Nature of Compound |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyIn the II period, the most acidic oxide is formed by:
1. F
2. N
3. O
4. Li
From NCERT
Subtopic: Nature of Compound |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyChoose the correct sets that represent the oxides as acidic : basic : neutral : amphoteric respectively:
1. (i) and (ii)
2. (ii) and (iii)
3. (iii) and (iv)
4. (iv) and (i)
| (i) | CO2 : MgO : N2O : H2O |
| (ii) | SO2 : NO : CO : Al2O3 |
| (iii) | P2O5 : ZnO : NO : Al2O3 |
| (iv) | SO3 : CaO : N2O : PbO |
2. (ii) and (iii)
3. (iii) and (iv)
4. (iv) and (i)
Subtopic: Nature of Compound |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology- 1(current)
Q. No.
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