Q. No.| 1. | \(\text {He}_{2}^{+} \) | 2. | \(\text {He}_{2}^{-}\) |
| 3. | \(\text {Be}_{2}\) | 4. | \(\text O_{2}^{2 -}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch List-I (Molecules) with List-II (Bond order),
and mark the appropriate choice
| List-I (Molecule) | List-II (Bond order) |
|
(a) Ne2 (b) N2 (c) F2 (d) O2 |
(i) 1 (ii) 2 (iii) 0 (iv) 3 |
Choose the correct match from the options given below :
1. (a) (iii), (b) (iv), (c) (i), (d) (ii)
2. (a) (i), (b) (ii), (c) (iii), (d) (iv)
3. (a) (ii), (b) (i), (c) (iv), (d) (iii)
4. (a) (iv), (b) (iii), (c) (ii), (d) (i)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyOf the species, NO , NO+, NO2+ and NO– , the one with minimum bond strength is:
1. NO2+
2. NO+
3. NO
4. NO–
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
1.
2. O2
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAmong the following, the molecule expected to be stabilized by anion formation is : C2, O2, NO, F2
1. NO
2. O2
3. C2
4. F2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyDuring the change of O2 to , the incoming electron that goes to the orbital is:
| 1. | \(\sigma _{2pz}^{*}\) | 2. | π2py |
| 3. | \(\sigma _{2pz}\) | 4. | π*2px |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyAccording to molecular orbital theory, which of the following molecules is not expected to be stable?
| 1. | \(\mathrm{He}_2^{2+}\) | 2. | \(\mathrm{He}_2^{+}\) |
| 3. | \(\mathrm{H}_2^{-}\) | 4. | \(\mathrm{H}_2^{2-}\) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyArrange the species \(\mathrm{Li}_2\) , \(\mathrm{Li}_2^{-}\) , and \(\mathrm{Li}_2^{+}\) in order of increasing stability:
1.
2. \(\mathrm{Li}_2^{-}\) = \(\mathrm{Li}_2^{+}\) = \(\mathrm{Li}_2\)
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe molecules/ions that do not contain unpaired electrons among the following is:
1.
2. B2
3.
4. O2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology(a) B2
(b) NO
(c) N2
(d) O2
(e) C2
1. b,d
2. a,b,d
3. b,e
4. b,c
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology
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