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2021-06-07 18:39:39 Open / Comment

2021-06-07 18:22:09 LEARN FROM TOPPER PARAS GUPTA AIR 2 IIT JAM 2021

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2021-06-07 14:18:04 NLM - HANDWRITTEN SHORT NOTES


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𝐅𝐎𝐑 𝐌𝐎𝐑𝐄 𝐂𝐎𝐍𝐓𝐄𝐍𝐓
𝐉𝐎𝐈𝐍

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2021-06-07 10:39:53 12. Reactivity=
C
13. Metallic character=
C< Si < Ge < Sn < Pb

14. Acidic character of the oxides=
Co2 > SiO2 > Ge02 > SnO2 > PbO2

15. Reducing nature of hydrides=
CH4 < SiH4 < GeH4 < SnH4 < PbH4

16. Thermal stability of tetrahalides=
CCl4> SiCl4> GeCl4> SnCl4 > PbCl4

17. Oxidising character of M+4 species=
GeCl4 < SnCl4 < PbCl4

18. Ease of hydrolysis of tetrahalides=
SiCl4 < GeCl4 < SnCl4 < PbCI4

19. Acidic strength of trioxides=
N203 > P2O3 > As2O3

20. Acidic strength of pentoxides=
N2O2 > P2O2> As202 > Sb2O2 > Bi̟202

21. Acidic strength of oxides of nitrogen=
N2O < NO
22. Basic nature/ bond angle/ thermal stability and dipole moment of hydrides=
NH3 > PH3 > AsH3 > SbH3 > BiH3

23. Stability of trihalides of nitrogen=
NF3 > NCl3 > NBr3

24.Lewis base strength=
NF3
25. Ease of hydrolysis of trichlorides=
NCl3 > PCI3 > AsCl3 > SbCl3 > BiCl3

26. Lewis acid strength of trihalides of P, As, and Sb=
PCl3 > ASCl3 > SbCl3

27. Lewis acid strength among phosphorus trihalides
PF3 > PCl3 > PBr3 > PI3

28. Melting and boiling point of hydrides=
H2O > H2Te > H2Se >H2S

29. Volatility of hydrides=
H2O < H2Te < H2Se < H2S

30. Reducing nature of hydrides=
H2S < H2Se < H2Te

31. Covalent character of hydrides=
H2O < H2S < H2Se < H2Te

32. The acidic character of oxides (elements in the same oxidation state)=
SO2 > SeO2 > TeO2 > PoO2
SO3 > SeO3 > TeO3

33. Acidic character of oxide of a particular element (e.g. S)=
SO < SO2 < SO3
SO2 > TeO2 > SeO2 > PoO2

34. Bond energy of halogens=
Cl2 > Br2 > F2 > I2

35. Solubility of halogen in water =
F2 > Cl2 > Br2 > I2

36. Oxidising power=
F2 > Cl2 > Br2 > I2

37. Enthalpy of hydration of X ion=
F- > Cl- > Br- >I-

38. Reactivity of halogens:=
F> Cl> Br > I

39. Ionic character of M-X bond in halides
= M-F > M-Cl > MBr > M-I

40. Reducing character of X ion:=
I- > Br- > Cl- > F-

41. Acidic strength of halogen acids=
HI > HBr > HCI > HF

42. Reducing property of hydrogen halides
= HF < HCL < HBr < HI

43. Oxidising power of oxides of chlorine
= Cl2O > ClO2 > Cl206 > Cl2O7

44. Decreasing ionic size=
02- > F- > Na+ > Mg2+

45. Increasing acidic property=
Na2O3 < MgO < ZnO< P205

46. Increasing bond length=
N2 <02 < F2 < CL2

47. Increasing size=
Ca2+ < Cl- < S2-

48. Increasing acid strength=
HClO < HClO2 < HClO3 < HClO4

49. Increasing oxidation number of iodine=
HI< I2
50. Increasing thermal stability=
HOCl < HOClO < HOClO2 < HOClO3
»»--☆ Open / Comment

2021-06-07 08:19:17 @zoro_ak47
apko aapke janamdivas ki bohot bohot shubhkaamnaye
kaayi musibate aayi aap hamesha ek sache dost ki traf sabke sath khade rahe
.......
jaha hume dost ki jarurat hui dost bane
........
jaha ek bhai ki waha bhai bankar musibato s bhahar nikala
..........
jaha p guidance ki waha to apka kehna hi kya
...........



shukriya apka hamare chote s parivaar ka hissa banne k liy
................
bhagwan apko lambi umar d or apka daman khushiyon s bhar d
.................


neet jee mantra ki team ki traf s aapko ek baar firse hardik Shubhkamnaye
Open / Comment

2021-06-07 04:25:42 Electric Charges and Fields

NCERT PICKS

There is a spark or crackle when we take off oursynthetic clothes or sweater in dry whether.

It is observed that if two glass rods rubbed with wool or
silk cloth are brought close to each other, they repel each
other.

On rubbing two body, the mass of one body slightly get
lowered.

An ebonite rod held in hand can be charged by rubbing
with funnel but a copper rod cannot be charged like this.

When we touch a pith ball with an electrified plastic rod,
some of the negative charges on rod are transferred.

While calculating the force between the two charges
from coulomb's law, never take into account, the sign of
two charges. It just indicates nature of the force.

The test charge used to measure electric field at point is
taken as unit in magnitude or very small.

Field lines are always directed from higher potential to lower potential.

Neutral point is a point where resultant electric field is
zero.

When a charged particle enters with velocity at right
angle to the uniform field the trajectory is parabola.

A surface having same electric potential at every point is an equipotential surface.

Work done in moving a charge along an equipotential
surface is always zero.

Relative permitivity of the material is also known as
specific inductive capacitance.

Two charged spheres having

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𝐅𝐎𝐑 𝐌𝐎𝐑𝐄 𝐂𝐎𝐍𝐓𝐄𝐍𝐓
𝐉𝐎𝐈𝐍

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2021-06-06 14:39:55 QUICK REVISION MINDMAPS

UNITS & DIMENSIONS

VECTORS

KINEMATICS 2D & 3D

GRAVITATION Open / Comment

2021-06-06 12:54:39 NEET PHYSICS SHM HANDWRITTEN NOTES EXCLUSIVELY BASED ON PHYSICS WALLAH YAKEEN BATCH

PART - 2

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𝐅𝐎𝐑 𝐌𝐎𝐑𝐄 𝐂𝐎𝐍𝐓𝐄𝐍𝐓
𝐉𝐎𝐈𝐍

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2021-06-06 12:18:53 NEET-2021 Crack करना है लेकिन Confidence नही आ रहा, समय है कम, अब क्या करे

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