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This section includes 7 InterviewSolutions, each offering curated multiple-choice questions to sharpen your Current Affairs knowledge and support exam preparation. Choose a topic below to get started.
| 1. |
Why are 2D and 3f orbital possible |
| Answer» Because azimuthal quantum no.can never be greater than principal quantum no. | |
| 2. |
Hess law and it\'s application with an example |
| Answer» The change in enthalpy is same whether it occur in one step or in more then one step | |
| 3. |
Hydrocarbond |
| Answer» | |
| 4. |
Calculate the ph of 0.002M HBr and 0.001 NaOH |
| Answer» | |
| 5. |
State henry law |
| Answer» | |
| 6. |
Hydration enthalpy |
| Answer» The enthalpy change can be defined as enthalpy or heat of hydration when one mole of anyhydrous or partially hydrated salt combines with required number of moles of water to form a specific hydrate | |
| 7. |
Write down the equation for the reaction between propene with hydrogen in presence of Pd? |
| Answer» | |
| 8. |
Write down the equation for the reaction between propene with hydrogen in presence of Pd |
| Answer» | |
| 9. |
In a reaction A+B2=AB2 identity the limiting reagent when two mole of A are mixed with 3 mole of B2. |
| Answer» A is limiting reagent | |
| 10. |
State hess\'s law |
| Answer» | |
| 11. |
What is Friday craft alkylation |
| Answer» When benzene react with alkyle helid in the presence of alcl3 to give alkyle bennzen | |
| 12. |
Oxidation number of S in S2O8-2 |
|
Answer» +7 +6 7 |
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| 13. |
Benzene doesn\'t go addition reaction though it is highly unsaturated . Why? |
| Answer» Bcz its aromatic .and highly stable | |
| 14. |
Nucleophilic reaction? |
| Answer» | |
| 15. |
राइट द जनरल कॉन्फ़िगरेशन ऑफ़ डी ब्लॉक एलिमेंट्स |
| Answer» ns1ns2np5 | |
| 16. |
Define bond energy |
| Answer» Energy given to break a bond . bond energy directly porpotional to stability | |
| 17. |
What is short comings of wurtz reaction |
| Answer» The | |
| 18. |
If quantum no l hasa value of 3 what are the permitted value of quantum no |
| Answer» | |
| 19. |
Why is KO2 paramagnetic |
| Answer» Ko2 is superoxide in which only one electron is released from the dioxyzen. We know that a molecule become paramagnetic due to presence of unpaired electron . | |
| 20. |
Kolbe\'s electrolytic method? Explain |
| Answer» An aqueous solution of potassium or sodium salt of a carboxylic acid on electrolysis gives alkane containing even no. Of carbon atoms | |
| 21. |
Why baking soda loses its use after a long time? |
| Answer» I think it absorbs water | |
| 22. |
Hassels law |
| Answer» When two or more equations are arded then there enthalpy of Reaction are also get added | |
| 23. |
How many secondary carbons are there in 2,2 -dimethyl butane |
| Answer» One | |
| 24. |
PH value of water at 298k |
|
Answer» For pure water only 7 |
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| 25. |
What happens when washing soda is heated |
| Answer» | |
| 26. |
Description of zeolites. |
|
Answer» Zeolites are the compound which help in breaking of large compound in small compound Na2Al2Si2O8.8H2O |
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| 27. |
Diagonal relationship explain. |
| Answer» Diagonal relationship is that in which in periodic table 1st compound of group shows similarity to 2nd compound of next group | |
| 28. |
How are 0.05m KOH and 0.05M KOH different from each other? |
|
Answer» 0.05m means KOH in soluteAnd.0.05M means KOH in 1 litre solution One is molarity( M) and other one is molality (m) |
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| 29. |
Relations between cp and availability |
| Answer» | |
| 30. |
Draw the sturctur of BROMAZINE |
| Answer» | |
| 31. |
Electron gain enthalpy of F is less negative than that of Class |
|
Answer» Because F has smaller size than other elements of that group ana cannot take easily one electron in last shell due to intra electronic repulsion.Hence it has low electron gain enthalpy. Hamare me bhi Aya Tha hmne bhi nhi keya ajj paper Tha na chemistry ka |
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| 32. |
Type of redox reaction |
| Answer» | |
| 33. |
Relationship between ∆H ∆g and antropy |
| Answer» | |
| 34. |
which topics are imp. in chemistry and hold maximum marks |
|
Answer» States of matter ke ques,Balancing of redox reaction OrganicThermodynamicsEquilibriumChemical bondingStates if matter... |
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| 35. |
Ionic bond is directional or covalent bond is non directional why? |
| Answer» | |
| 36. |
Spontaneity |
| Answer» Random gas | |
| 37. |
what happens when cobalt is heated with zinc oxide |
| Answer» | |
| 38. |
How can chemistry Will be easy to learn |
|
Answer» Just Revise again and again Make ur concept clear...and u need to understand them properly. |
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| 39. |
Why does Be show similarities to Al |
| Answer» | |
| 40. |
Explain different types of buffer and buffer action involved in them |
| Answer» It is the mixture of Weak Base and its salt with Strong acid and vice versa | |
| 41. |
Alkene to benzen |
| Answer» | |
| 42. |
Harmful effects of photo chemical smog? |
| Answer» The common components of photochemical smog are also nitric oxide acrolein formaldehyde and peroxyacetyl nitrate(PAN). Photochemical smog causes serious health problems both Ozone and PAN act as powerful irritants Ozone and nitric oxide irritate the nose and throat and their high concentration causes headache and chest pain dryness of the throat cough and difficulty in breathing. Photochemical smog leads of cracking of rubber and extensive damage to plant life it also causes corrosion of metals stones building materials rubber and painted surfaces. | |
| 43. |
Define vespr teory |
| Answer» | |
| 44. |
Calculate the mass% of h2so4 |
| Answer» | |
| 45. |
Jammu region ka paper is very diffcut tha |
| Answer» | |
| 46. |
Chemistry ka paper is very diffcult i fail what about you |
| Answer» | |
| 47. |
Write down Vander waal equation for one mole of real gas |
| Answer» | |
| 48. |
why i dont learn chemistry |
| Answer» becoz...chemistry is a understanding subject not a story that u will learn | |
| 49. |
Lewis dot structure of nitrous oxide? |
| Answer» | |
| 50. |
State resciprocal proportion |
| Answer» | |