Download App

Chemical Bonding — Chemistry STD 11 Science — Question

Maharashtra BoardEnglish MediumSTD 11 ScienceChemistryChemical Bonding2 Marks
Question
Define:
i. Sigma overlap
ii. pi overlap
✓

Answer

i. Sigma overlap (σ bond): When two half-filled orbitals of two atoms overlap along the internuclear axis, it is called as sigma overlap or sigma bond.
ii. pi overlap (π bond): When two half-filled orbitals of two atoms overlap side-ways (laterally), it is called as π overlap or π bond.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "Answer the following in one or two sentences." from Chemical Bonding→Chemical Bonding — all question types→Chemistry STD 11 Science question papers→Maharashtra Board STD 11 Science question papers→Maharashtra Board question paper generator→

Similar questions

What is addition reaction?
→
Explain the process of hydroboration-oxidation of alkenes.
→
In which form do the elements of groups $13,14$ and $15$ occur in nature?
→
What are ortho and para directing groups? Enlist few ortho and para directing groups.
→
  • State the trends in the following properties of group 1 and group 2 elements down a group.
    i. Atomic radii
    ii. Ionic radii
    iii. Ionization enthalpy
    iv. Electronegativity
    v. Standard reduction potential
→
What is the general outer electronic configuration of d-block and f-block elements?
→
Draw structures of any four aromatic hydrocarbons.
→
Give the types of reagents used to carry out polar organic reactions.
→
What are the different types of impurities that a solid may contain?
→
Heavier nuclides require greater number of neutrons (than protons) to attain stability. Justify.
→