From 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 & 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 & 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 & 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 & 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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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe following graph captures potential energy on the y-axis for hydrogen gas formation as a function of the internuclear distance on the x-axis:
The bond energy of H2 can be represented by-
1. (c – a)
2. (b – a)
3. (c-a)/2
4. (b-a)/2
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe condition(s) required for the linear combination of atomic orbital is
1. Combining atomic orbitals must have the same or nearly the same energy.
2. Combining atomic orbitals must have proper orientations to ensure that the overlap is maximum
3. Both 1 and 2
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyThe number of resonating structures exhibited by CO32- ion are
1. 2
2. 3
3. 4
4. 5
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & BiologyConsider the following structure.
The hybridization of C1, and C2 carbon in the structure are -
1. = , =
2. = , =
3. = , =
4. None of the above
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NEET MCQ Books for XIth & XIIth Physics, Chemistry & Biology