Doubtly
@Doubtly · Joined Feb 2021
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- Explain geometry of methane molecule on the basis of Hybridisation In methane the carbon atom is sp³ hybridised, so the molecule is tetrahedral with all H–C–H angles equal to 109°28′. Ground state of C: 1s²2... 1
- Give reasons for need of Hybridisation Hybridisation is needed to explain the observed valency, the equivalence of bonds and the shapes (bond angles) of molecules, which the simpl... 1
- Explain in brief with one example: a. Ionic bond b. covalend bond c. co-ordinate bond a. Ionic bond: a bond formed by the complete transfer of one or more electrons from one atom (usually a metal) to another (usually a non-met... 1
- State octel rule. Explain its inadequecies with respect to The octet rule states that elements gain or lose electrons to attain an electron configuration of the nearest noble gas. Incomplete Octet: T... 2
- Display electron distribution around the oxygen atom in water molecule and state shape of the molecule, also write H-O-H bond angle. The shape of the water molecule is tetrahedral, and bond angle is 104.5 degrees. The electron distribution on the oxygen atom in a water mol... 2
- Distinguish between sigma and pi bond Sigma (σ) Bond Pi (π) Bond (a) the bond is formed by the axial overlap of the atomic orbitals The bond is formed by the sidewise overlap of... 1
- Draw Draw orbital diagrams of a. Fluorine molecule b. Hydrogen fluoxide molecule Both F₂ and HF are formed by head-on (axial) overlap of half-filled orbitals: p–p overlap in F₂ and s–p overlap in HF, giving a σ bond in ea... 1
- Draw Lewis electron dot structures of a. HF b. C2 H6 c. C2 H4 d. CF3 Cl e. SO2 Lewis structures (dots = valence electrons; a shared pair between two atoms is one bond): a. HF: H and F share one pair; F keeps three lone... 1
- Draw Diagram for bonding in ethene with sp2 Hybridisation. In ethene ( mathrmCH₂=CH₂ ) each carbon is sp² hybridised; the C=C double bond is one σ bond (sp²–sp² overlap) and one π bond (sideways over... 1
- Draw Lewis dot diagrams for the folowing a. Hydrogen (H2 ) b. Water (H2 O) Lewis dot diagrams show the valence electrons of each atom as dots; a shared pair between two atoms is a covalent bond. a. Hydrogen, H₂ : ea... 1
- Select and write the most appropriate alternatives from the given choices. A. Which molecule is linear? question Answer A b B a C b D a E c F d 1
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- Write speech on fit India happy India Respected 'Principal and Teachers' and my 'Dear Friends' First of all I would like to thank all of you for having given this wonderful oppor... 1
- Write a letter to your friend Manish/Manisha appealing him or her to donate generously. Tell him/her the importance of Blood Donation. Dipesh shastri , J.M.Road , Shivani nagar , Pune (Date) Dear Manish , Hello ! How are you ? I'm fine here. I'm writing this letter to tell y... 1
- Write a letter to The Secretary requesting him to enroll your name for the blood donation camp Dipesh shastri JM road , shivaji nagar Pune (Date) To, The Secretary, Lions Club Pune Subject: To enrol name in blood donation camp Respecte... 1
- Counterview on media thrives on sensationalism Answer: Counterview: the media does not thrive on sensationalism; most of it survives on credibility, responsible reporting and public servi... 1
- Time Is Money essay english "Time is money" means nothing is more important than time in this whole world. Time never waits for anyone. It doesn't matter whether you ar... 1
- Dr.kalam dream will soon get realised.All the barriers of castes,creed and religion will get dissolved RESPECTED TEACHER & MY DEAR FRIENDS.A WARM GOOD MORNING TO ALL.TODAY I AM BEFORE YOU TO EXPRESS MY VIEWS ON THE TOPIC ROLE OF YOUTH IN REALI... 2