Chemical Bonding and Molecular Structure · Chemistry · COMEDK

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MCQ (Single Correct Answer)

COMEDK 2023 Morning Shift
Which of these represents the correct order of decreasing bond order?
COMEDK 2023 Morning Shift
Pick up the correct statement.
COMEDK 2023 Morning Shift
Total number of $$\sigma$$ and $$\pi$$ bonds in ethene molecule is
COMEDK 2023 Morning Shift
Which of these molecules have non-bonding electron pairs on the cental atom? $$\mathrm{I}: \mathrm{SF}_4 : \mathrm{II}: \mathrm{ICl}_3 : \mathrm{III}:...
COMEDK 2023 Evening Shift
Identify the correct statement describing the characteristics of $$\mathrm{C}_2$$ molecule.
COMEDK 2023 Evening Shift
In the following question, Assertion (A) is given followed by a statement of Reason (R). Choose the correct answer. Assertion (A): $$\pi\left(2 p_x\ri...
COMEDK 2023 Evening Shift
Arrange the following in the decreasing order of their Dipole moments. a. Chlorobenzene b. 1,2-Dichlorobenzene c. 1,3-Dichlorobenzene d. 1,4-Dichlorob...
COMEDK 2022
Which of the following molecules does not exhibit dipole moment? (i) CCl$$_4$$ (ii) CO$$_2$$ (iii) NH$$_3$$ (iv) CHCl$$_3$$ (v) H$$_2$$O (vi) CH$$_3$$...
COMEDK 2022
Increasing order of bond order of oxygen and its ions is
COMEDK 2022
The P-O bond order in PO$$_4^{3-}$$ is
COMEDK 2022
Which of the following compound does not exists?
COMEDK 2021
Find the correct order of C$$-$$O bond length among CO, CO$$_3^{2-}$$, CO$$_2$$.
COMEDK 2021
Which of the following pairs of ions in iso-electronic and iso-structural?
COMEDK 2021
Find the compound which have both polar and non-polar covalent bonds.
COMEDK 2020
In acetylene molecule, between the carbon atoms there are
COMEDK 2020
During the formation of a chemical bond
COMEDK 2020
For a stable molecule the value of bond order must be
COMEDK 2020
The number of antibonding electron pairs in O$$_2^{2-}$$ molecular ion on the basis of molecular orbital theory is [Atomic number of O is 18]...
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