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Which amongst the following is incorrect statement?
(a) molecule has four electrons in its two degenerate molecular orbitals.
(b) ion has one electron.
(c) ion is diamagnetic.
(d)The bond orders of and are and , respectively.

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Important Questions on Chemical Bonding and Molecular Structure
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Match 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.

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Which of the following molecules is non-polar in nature?

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Among the compounds shown below which one revealed a linear structure?

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Match the compounds of Xe in column I with the molecular structure in column II.
Column-I | Column-II | ||
(a) | (p) | Square planar | |
(b) | (q) | Linear | |
(c) | (r) | Square pyramidal | |
(d) | (s) | Pyramidal |

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Identify the wrongly matched pair:

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The potential energy curve for formation as a function of internuclear distance of the atoms is shown below.
The bond energy of is :

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How many (i) hybridised carbon atoms and (ii) bonds are present in the following compound?

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Which of the following set of molecules will have zero dipole moment?
