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Q. No.(a) \(Na_2O\)
(b) \(As_2O_3\)
(c) \(NO\)
(d) \(N_2O\)
(e) \(Cl_2O_7\)
1. 0
2. 1
3. 2
4. 3
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology| The correct electronic configuration of an element that is just above the 4th period and belongs to the 16th group: |
1. 4s23d104p4
2. 2s22p4
3. 3s23p4
4. 5s25d104p4
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. SiO2
2. CaO
3. Al2O3
4. SO2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe correct order of electron gain enthalpy is:
1. S > Se > Te > O
2. Te > Se > S > O
3. O > S > Se > Te
4. S > O > Se > Te
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following compounds:
BeO, BaO, Be(OH)2, Sr(OH)2
The amphoteric compound(s) are:
| 1. | BeO, BaO | 2. | BaO, Be(OH)2 |
| 3. | Be(OH)2, BeO | 4. | Sr(OH)2, Be(OH)2 |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe set that contains atomic numbers of only transition elements is:
1. 21, 32, 53, 64
2. 9, 17, 34, 38
3. 21, 25, 42, 72
4. 37, 42, 50, 64
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. 111
2. 110
3. 101
4. 107
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe IUPAC symbol for the element with atomic number 119 would be:
1. Uue
2. Une
3. Uun
4. Unh
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe element having a greatest difference between its first and second ionization energies, is:
1. Ca
2. Sc
3. K
4. Ba
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe ionic radii (in Å) of are respectively :
1. 1.36, 1.40 and 1.71
2. 1.36, 1.71 and 1.40
3. 1.71, 1.40 and 1.36
4. 1.71, 1.36 and 1.40
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