Here are all trends of inorganic chemistry about increasing or decreasing order. These are the essential current trends in inorganic for neet and jee exam. You can do the ‘Inorganic trends in chemistry PDF download’. Here is the list of increasing or decreasing orders of the periodic table. These are helpful in Jee main and Jee advanced also. There are some tricks given to learn it. You should properly make notes of it and learn it because these are generally asked in competitive exams.
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🔥Increasing or Decreasing Order🔥
01. Stability of hydride =
LiH > NaH > KH > RbH> CsH
02. Colour of the flame=
Li-Red, Na-Golden, K-Violet, Rb-Red, Cs-Blue, Ca-Brick red, Sr-Blood red, Ba-Apple green
03. Melting point=
Li > Na > K > Rb > Cs
Li > Na > K > Rb > Cs
04. Basic nature of hydroxides=
LIOH < NaOH < KOH < RbOH < CsOH
05. Hydration energy=
Li> Na > K> Rb > Cs
06. Reducing character=
Li > Cs > Rb > K > Na
07. Stability of +3 oxidation state=
B> Al > Ga > In > T1
08. Stability of +1 oxidation state= Ga < In < TI
09. Basic nature of the oxides and hydroxides=
B< Al< Ga < In < TI
10. Relative strength of Lewis acid= BF3 < BCl3 < BBr3 < BI3
11. Ionisation energy=
B> Al <Ga > In <TI
12. Reactivity=
C<Si< Ge < Sn <Pb
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 <N2O3 <N2O4 < N2O5
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 <NCl3 <NBr3 < NI3
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. Oxidising power=
F2 > Cl2 > Br2 > I2
36. Solubility of halogen in water =
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 <ICl <HIO4
50. Increasing thermal stability=
HOCl < HOClO < HOClO2 < HOClO3
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