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Q. No.Which one of the following statements is true about the structure of \(CO^{2-}_3\) ion?
1. It can be explained by considering sp3 hydridization.
2. Out of the three C–O bonds, two are longer and one is shorter.
3. It has three sigma and three \(\pi\)-bonds.
4. All three C–O bonds are equal in length with a bond order in between 1 and 2.
1. It can be explained by considering sp3 hydridization.
2. Out of the three C–O bonds, two are longer and one is shorter.
3. It has three sigma and three \(\pi\)-bonds.
4. All three C–O bonds are equal in length with a bond order in between 1 and 2.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyWhich one of the following is the correct order of decreasing bond enthalpies for the given species?
1. \(O^{2-}_2>O^-_2>O_2>N_2 \)
2. \(N_2>O_2>O^{2-}_2>O^-_2 \)
3. \(N_2>O_2>O^-_2>O^{2-}_2 \)
4. \(O_2>N_2>O^-_2>O^{2-}_2 \)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(XeF_2\)
2. \(CIF_3\)
3. \(IF_5\)
4. \(SF_4\)
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology1. \(O^+_2\) ion is diamagnetic.
2. The bond orders of \(O_2^{+},O_2,O^-_2\) and \(O_2^{2-}\) are 2.5, 2, 1.5, and 1, respectively.
3. \(C_2\) molecule has four electrons in its two degenerate \(\pi \) molecular orbitals.
4. \(H^+_2 \) ion has one electron.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCorrect resonance structure of \(CO_{3}^{2-}\) among the following is-
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyCorrect Lewis dot structure of CO molecule among the following is-
1.
2.
3.
4.
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe non-polar molecule among the following is-
1. SbCl5
2. NO2
3. POCl3
4. CH2O
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyFrom the following pairs of ions which one is not an iso-electronic pair?
1. Mn2+, Fe3+
2. Fe2+, Mn2+
3. O2-, F-
4. Na+, Mg2+
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyMatch List - I with List - II
| List - I | List - II | ||
| (a) | (i) | Square pyramidal | |
| (b) | (ii) | Trigonal planar | |
| (c) | (iii) | Octahedral | |
| (d) | (iv) | Trigonal bipyramidal |
Choose the correct answer from the options given below
| (a) | (b) | (c) | (d) | |
| 1. | (iii) | (i) | (iv) | (ii) |
| 2. | (iv) | (iii) | (ii) | (i) |
| 3. | (iv) | (iii) | (i) | (ii) |
| 4. | (ii) | (iii) | (iv) | (i) |
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyBF3 is a planar and an electron deficient compound. Hybridization and number of electrons around the central atom, respectively are:
1. sp2 and 6
2. sp2 and 8
3. sp3 and 4
4. sp3 and 6
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