JEE STUDY MATERIALS
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+3
š Chemical Bonding Short Notes
Mistake - Overlapping ke just uper waha pe correct kar lo sab
Sigma>delta>Ļ
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Dekho...Maths se aa rhe h aajkal phadu questionsš³š
I know, when you take exams, much time goes into formula remembering/derivation, and here comes the role of "Cheat Sheet".
This Cheat Sheet contains all the important concepts/Formulas...šā¤ļøš
Here are the ways to MASTER Maths from this day...š
- Complete the Chapter first with 30 Good Questions - Rule of 30/2 - Do this in two days.
- Next, open this "Cheat Sheet" and read aloud all the formulas and concepts of that chapter.(Will take 10 mins)
Do you know, what's the Magic: You will get +20 marks in maths in 1 month.ā¤ļøā¤ļøāš„
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+7š„š»šššššš
šššššššš„
ā¦æ Share & Support us:-
@JEE_NEET_ACHIEVERS
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š®š³ Happy Independence Day š®š³
Wishing you a very Happy Independence Day! š®š³
Freedom is not just about being free from others ā it is also about becoming free from fear, emotions, impatience, and dependency.
In trading, true freedom comes with knowledge, discipline, patience, and the ability to make your own decisions.
Keep learning, keep improving, and most importantly, stay disciplined. The journey may be long, but every step makes you better.
Proud to have you all on this journey with me. ā¤ļø
Jai Hind! š®š³
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+2
All oxidation Rxns At one place šļø
Show some ā¤ļø for daily content
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š°INORGANIC IN SHOTSš°
āļøIncreasings or Decreasing Order
āØ01. Melting point=
Li > Na > K > Rb > Cs
āØ02. Colour of the flame=
Li-Red, Na-Golden, K-Violet, Rb-Red, Cs-Blue, Ca-Brick red, Sr-Blood red, Ba-Apple green
āØ03. Stability of hydrides =
LiH > NaH > KH > RbH> CsH
āØ04. Basic nature of hydroxides=
LIOH < NaOH < KOH < RbOH < CsOH
āØ05. Hydration energy=
Li> Na > K> Rb > Cs
āØ06.) Reducing character=
Li > Cs > Rb > K > Na
āØ07. Stability of +3 oxidation state=
B> Al > Ga > In > T1
āØ08. Stability of +1 oxidation state= Ga < In < TI
āØ09. Basic nature of the oxides and hydroxides=
B< Al< Ga < In < TI
āØ10. Relative strength of Lewis acid= BF3 < BCl3 < BBr3 < BI3
āØ11. Ionisation energy=
B> Al In SiO2 > Ge02 > SnO2 > PbO2
āØ15. Reducing nature of hydrides=
CH4 < SiH4 < GeH4 < SnH4 < PbH4
āØ16. Thermal stability of tetrahalides=
CCl4> SiCl4> GeCl4> SnCl4 > PbCl4
āØ17. Oxidising character of M+4 species=
GeCl4 < SnCl4 < PbCl4
āØ18. Ease of hydrolysis of tetrahalides=
SiCl4 < GeCl4 < SnCl4 < PbCI4
āØ19. Acidic strength of trioxides=
N203 > P2O3 > As2O3
āØ20. Acidic strength of pentoxides=
N2O2 > P2O2> As202 > Sb2O2 > Biā202
āØ21) Acidic strength of oxides of nitrogen=
N2O < NO PH3 > AsH3 > SbH3 > BiH3
āØ23. Stability of trihalides of nitrogen=
NF3 > NCl3 > NBr3
āØ24.Lewis base strength=
NF3 PCI3 > AsCl3 > SbCl3 > BiCl3
āØ26.Lewis acid strength of trihalides of P, As, and Sb=
PCl3 > ASCl3 > SbCl3
āØ27. Lewis acid strength among phosphorus trihalides
PF3 > PCl3 > PBr3 > PI3
āØ(28) Melting and boiling point of hydrides=
H2O > H2Te > H2Se >H2S
āØ29. Volatility of hydrides=
H2O < H2Te < H2Se < H2S
āØ30. Reducing nature of hydrides=
H2S < H2Se < H2Te
āØ31. Covalent character of hydrides=
H2O < H2S < H2Se < H2Te
āØ32. The acidic character of oxides (elements in the same oxidation state)=
SO2 > SeO2 > TeO2 > PoO2
SO3 > SeO3 > TeO3
āØ33. Acidic character of oxide of a particular element (e.g. S)=
SO < SO2 < SO3
SO2 > TeO2 > SeO2 > PoO2
āØ34. Bond energy of halogens=
Cl2 > Br2 > F2 > I2
āØ35. Solubility of halogen in water =
F2 > Cl2 > Br2 > I2
āØ36. Oxidising power=
F2 > Cl2 > Br2 > I2
āØ37. Enthalpy of hydration of X ion=
F- > Cl- > Br- >I-
āØ38. Reactivity of halogens:=
F> Cl> Br > I
āØ39. Ionic character of M-X bond in halides
= M-F > M-Cl > MBr > M-I
āØ40. Reducing character of X ion:=
I- > Br- > Cl- > F-
āØ41. Acidic strength of halogen acids=
HI > HBr > HCI > HF
āØ42 Reducing property of hydrogen halides
= HF < HCL < HBr < HI
āØ43. Oxidising power of oxides of chlorine
= Cl2O > ClO2 > Cl206 > Cl2O7
āØ44. Decreasing ionic size=
02- > F- > Na+ > Mg2+
āØ45 Increasing acidic property=
Na2O3 < MgO < ZnO< P205
āØ46 Increasing bond length=
N2 <02 < F2 < CL2
āØ47 Increasing size=
Ca2+ < Cl- < S2-
āØ48 Increasing acid strength=
HClO < HClO2 < HClO3 < HClO4
