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- 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
- Prepare a news report Sweepers daughter/son scores 96% in class XII Pune, 27 June: It was indeed a heart-warming sight to see Meena being felicitated and cheered during a function at her school, by students a... 1
- write your counterview on the topic Internet will soon repace books Today, there is a lot of talk about the internet replacing books. I beg to differ. This is not possible. The internet is certainly easily ac... 1
- "Reading Inspiration Day" in your school assembly: the subject given to you is "Importance of Reading". Use the following points: Respected Principal, teachers and my dear friends, Good morning. Today, October 15, is observed as Reading Inspiration Day to commemorate th... 1
- Write a letter to the Editor, The City Times, complaining about the frequent failure of electricity in your city. 207, malhar rajaji path , Dombivali 16^th oct, 2021 To The Editor Lokmat Thane Subject : complaining about the frequent failure of electrici... 2
- Write a letter to your friend minu/mohit making him/ her aware of the importance of sports in ones life 225, Veerchakra Colony. Kolhapur-416 002. 9 March, 2021. Dear Minu, Hil How are you? Now that the all-important Std. X exams are over, what... 1
- How to memorize CBSE Class 10 Maths formulas? Memorizing mathematical formulas can be challenging, but there are some strategies you can use to make the process easier. Here are some tip... 1
- What is a catalyst ? Write any one reaction which is brought about by use of catalyst ? A catalyst is a substance that changes (usually increases) the rate of a chemical reaction without itself undergoing any permanent chemical... 1
- What is meant by vinegar and gasohol? What are their uses ? Vinegar is a dilute (about 5–8%) solution of acetic acid (ethanoic acid) in water; gasohol is a mixture of petrol (gasoline) and ethanol use... 1
- Give names of three natural polymers. Write the place of their occurrance and names of monomers from which they are formed. Three natural polymers are starch, cellulose and proteins. Natural polymerWhere it occursMonomer StarchStored food in plants: grains (rice,... 1