Correct resonance structure of \(CO_{3}^{2-}\) among the following is-
 

1. 2.
3. 4.

Subtopic:  Resonance & Nature of Compounds |
 63%
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Which of the following correctly represents the Lewis dot structure of the CO molecule?

1.
2.
3.
4.

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
 60%
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The non-polar molecule among the following is:

1. SbCl5 2. NO2
3. POCl3 4. CH2O
Subtopic:  Polarity |
 57%
From NCERT
NEET - 2021
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Which pair of ions from the following list do not constitute an iso-electronic pair?

1. Mn2+, Fe3+

2. Fe2+, Mn2+

3. O2-, F-

4. Na+, Mg2+

Subtopic:  Octate, Isoelectronic Species, Lewis Structure & Formal Charge |
 77%
From NCERT
NEET - 2021
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Match List - I with List - II

List - I List - II
(a). PCl5 (i). Square pyramidal
(b). SF6 (ii). Trigonal planar
(c). BrF5 (iii). Octahedral
(d). BF3 (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).
Subtopic:  V.S.E.P.R & V.B.T |
 77%
From NCERT
NEET - 2021
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BF3 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
Subtopic:  Hybridisation |
 74%
From NCERT
NEET - 2021
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The 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
Subtopic:  Covalent Bond |
 63%
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The 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

Subtopic:  M.O.T |
 89%
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The number of resonating structures exhibited by CO32- ion are :

1. 2

2. 3

3. 4

4. 5

Subtopic:  Resonance & Nature of Compounds |
 79%
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Consider the following structure.

The hybridization of C1, and C2 carbon in the structure are -

1. C1 = sp2 , C2 =  sp2

2. C1 = sp3 , C2 = sp3

3. C1 = sp3 , C2 = sp2

4. None of the above

Subtopic:  Hybridisation |
 77%
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