Chemical Bonding
Chapter 5: Chemical Bonding
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See all →- The bond order of the superoxide ion O2− is Answer: D. 1.5 O₂⁻ has 17 electrons: bonding 10, antibonding 7. Bond order =10-7/2=1.5 . 1
- The shape of the ClF3 molecule is Answer: B. T-shaped Cl has 3 bond pairs and 2 lone pairs (sp³d). The lone pairs occupy equatorial positions, giving a T-shape. 1
- Predict the shape and bond angles in the following molecules: a. CF4 b. NF3 c. HCN d. H2 S CF₄: tetrahedral, 109°28′; NF₃: trigonal pyramidal, about 102°; HCN: linear, 180°; H₂S: bent (angular), about 92°. a. CF₄ : C has 4 bond pai... 1
- Define : a. Bond Enthalpy b. Bond Length a. Bond enthalpy is the amount of energy required to break one mole of bonds of a particular type between two atoms in the gaseous state. It... 1
- In case of bond formation in Acetylene molecule : a. How many covalend bonds are formed ? Acetylene ( mathrmH-CequivC-H ): a. 5 covalent bonds; b. 3 σ bonds and 2 π bonds; c. sp hybridisation. a. There are two C–H single bonds and... 1
- BF3 molecule is planar but NH3 pyramidal. Explain B in BF₃ is sp² hybridised with no lone pair, so BF₃ is trigonal planar; N in NH₃ is sp³ hybridised with one lone pair, so NH₃ is pyramidal.... 1