NEET Chemistry Covalent Bond MCQ Question
Which combination of statements about covalent bonds is correct?
A nonpolar covalent bond has shared electrons equally distributed between identical atoms, while a polar covalent bond has unequal sharing due to differences in electronegativity.
Covalent bonds always result in a dipole moment, regardless of the electronegativity of the atoms involved.
Polar covalent bonds cannot exist between two identical atoms as their electronegativities are the same.
The bond angle in a covalent molecule is irrelevant to its molecular shape and properties.
Correct Answer
Detailed Explanation
Statement A correctly describes the nature of nonpolar and polar covalent bonds based on electronegativity differences. Statement B is incorrect since a dipole moment only arises in polar covalent bonds. Statement C is incorrect as polar covalent bonds can only form with different atoms. Statement D is also incorrect as bond angles help determine molecular shape.
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