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🧪 Chemistry  ·  Chemical Bonding and Molecular Structure  ·  NEET & JEE

Which type of bond is strongest?

Answer: Sigma bond.

  • A Sigma bond
  • B Pi bond
  • C Hydrogen bond
  • D Van der Waals force

Correct answer: A. Sigma bond

Explanation: Sigma bonds have maximum orbital overlap (head-on) and are the strongest covalent bonds.

Linear180 deg, e.g. CO2Trigonal Planar120 deg, e.g. BF3Tetrahedral109.5 deg, e.g. CH4Trigonal Bipyramidale.g. PCl5Octahedrale.g. SF6

VSEPR theory predicts molecular shape from the number of bonding and lone electron pairs around the central atom.

Concept context

Understand how atoms join to form molecules. Covers ionic and covalent bonding, VSEPR theory, hybridization (sp, sp², sp³), molecular orbital theory, bond polarity, and intermolecular forces like hydrogen bonding.

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