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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 carbon atom don\'t share it\'s all Valence electrons with another carbon atom? |
| Answer» | |
| 2. |
Types of preparation of sodium chloride |
| Answer» | |
| 3. |
C-C-C |C-C-C-C-C | C-C-C | CWrite IUPAC name of given chain |
| Answer» 1.propane 2.pentane 3.propane 4.methane | |
| 4. |
How many sub shells are associated with n =3 |
| Answer» | |
| 5. |
Why is the electron gain enthalpy of bromine is less negative than that of chlorine. |
| Answer» | |
| 6. |
Carbon undergoes sp2 r sp3 hybridisation |
| Answer» Both hybridisation as it forms so many compounds | |
| 7. |
explain the born-hebar cycle to determine the lattice enthalpy of NaCl |
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| 8. |
Name two intermolecular forces that exist between HF molecules in liquid state |
| Answer» | |
| 9. |
Why PbCl2 is good oxidizing agent |
| Answer» | |
| 10. |
How does bond depend upon stability of molecule? |
| Answer» | |
| 11. |
Equillibrium is dynamic in nature .explain . |
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| 12. |
Why thermodynamics is important in our daily life? |
| Answer» | |
| 13. |
Calculate Kc;Log kc=23.45;Log kc=-8. 347;Log kc=0.2345;. |
| Answer» | |
| 14. |
How we can remove permanent hardness???? |
| Answer» | |
| 15. |
Structure of caocl2 |
| Answer» | |
| 16. |
What type of questoon wii come from Valanced bond theory in exam |
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| 17. |
Why carbondioxide has greater bond length |
| Answer» | |
| 18. |
resonance structure of the molecules does not have |
| Answer» | |
| 19. |
An element or isotopes atomic no . tells how many proton ar in its atom? |
| Answer» | |
| 20. |
how does bond order depend on stability of molecules? |
| Answer» Bond order means single, double and triple bond. Bond length decrease when bond order increase. Bond length is inversely proportional to stability of molecules. | |
| 21. |
write electronic configration of element having atomic no 37? |
| Answer» 1s2,2s2,2p6,3s2,3p6,4s2,3d10,4p6,5s1 | |
| 22. |
Adsorption chromatography |
| Answer» | |
| 23. |
I am not sure if chemistry organic chemistry class or hexagon drawing class????????? |
| Answer» | |
| 24. |
What is difference between kp and kc |
| Answer» Kc is chemical Constant. Kp is pressure Content. | |
| 25. |
What is eff in oxidation reaction |
| Answer» | |
| 26. |
Equilibrium |
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Answer» a state in which opposing forces or influences are balanced. Balancing state in which changes done in such a way that it seems to be no change in a state |
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| 27. |
Formula of molality |
| Answer» | |
| 28. |
What is the application and advantage of significant figures? |
| Answer» To bring the accuracy in answer and write the large value easily | |
| 29. |
Method to seprate the two allotropes of hydrogen? |
| Answer» | |
| 30. |
Write de-Broglie equation for wavelength of matter wave. |
| Answer» | |
| 31. |
Write the expression for equilibrium constant KP for the reaction 3fe+4H2O - Fe3O4+4H2 |
| Answer» | |
| 32. |
what is pi bond? |
| Answer» The bond which is side over lapping b/w atom | |
| 33. |
Why iso pentane and neo pentan |
| Answer» | |
| 34. |
What is angle strain? |
| Answer» Angle in sphere and its all dimension will be 0 | |
| 35. |
What is critical temp. |
| Answer» The CT of a Gas may be defined as the temperature above which it cannot be liquefied at high pressure....... Represented as = Tc | |
| 36. |
How does chlorine molecule show conproportionation reaction in the prescence of acid? |
| Answer» | |
| 37. |
What is sterio chemistry? |
| Answer» | |
| 38. |
What is the atomic mass if uranium |
| Answer» 238.02891u +/- 0.00003u | |
| 39. |
Ionisation enthalpy? |
| Answer» The amount of energy required to remove single electron of an isolated gaseous atom or ion is known as ionization enthalpy...... | |
| 40. |
Why the concept of hybridisation is not applicable everywhere? |
| Answer» | |
| 41. |
Write the conjugate acids and conjugate base for the following1) HCO- 32) NH 3 |
| Answer» | |
| 42. |
What volume of propane is burnt by 10cc oxygen |
| Answer» | |
| 43. |
What are the importance of buffer solution? |
| Answer» | |
| 44. |
Define S. H. E and N. H. E |
| Answer» Standard Hydrogen Electrode.......copper wire whose one end is fixed in glass tube has a platinum wire | |
| 45. |
Why hydrogen always occurs in duplet form |
| Answer» | |
| 46. |
What is hyperconjugation? |
| Answer» | |
| 47. |
The dipole moment of BeF2 is zero. Why? |
| Answer» | |
| 48. |
A bulb emits light discontinously but it appears emitting light continously |
| Answer» Time between two successive photons is very very small | |
| 49. |
How to draw a lewis dot structure |
|
Answer» Not 10 chem. Book.It is better described in 11 book ? First of all u have to learn the valence shell electron of all the atom and the draw it particular ly and complete the octate Read class x chem book |
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| 50. |
What is hydrolith???? |
| Answer» hydrolith - a saltlike binary compound (CaH2) used as a reducing agent and source of hydrogen. calcium hydride. hydride - any binary compound formed by the union of hydrogen and other elements. | |