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P-Block Elements (b & C Family) formulas

Master P-Block Elements (b & C Family) through 14 JEE Advanced-level formulas, systematically structured with every variable spelled out. Revise concept-wise, identify the areas where you need improvement, and focus your preparation with greater precision.

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P-Block Elements (b & C Family), every formula

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Group 13 configuration
$n s^{2} n p^{1}$
Q1MCQGroup 13
The valence configuration of group-13 elements is:
- A
  $ns^{2}np^{1}$
- B
  $ns^{2}np^{2}$
- C
  $ns^{1}$
- D
  $ns^{2}np^{3}$
Group 14 configuration
$n s^{2} n p^{2}$
Q1MCQGroup 14
The valence configuration of group-14 elements is:
- A
  $ns^{2}np^{2}$
- B
  $ns^{2}np^{1}$
- C
  $ns^{2}np^{3}$
- D
  $ns^{2}$
Boron hydrides
$electron-deficient (boranes)$
Q1MCQBoranes
Boron hydrides (boranes) are described as:
- A
  electron-deficient
- B
  electron-rich
- C
  ionic
- D
  metallic
Diagonal (B–Si)
$boron resembles silicon$
Q1MCQB–Si
Boron shows a diagonal relationship with:
- A
  silicon
- B
  carbon
- C
  aluminium
- D
  nitrogen
Nature of B2O3
$acidic; Al_{2} O_{3} amphoteric$
Q1MCQAl2O3
Aluminium oxide is:
- A
  amphoteric
- B
  purely acidic
- C
  purely basic
- D
  neutral
Allotropes of carbon
$diamond, graphite, fullerene$
Q1MCQC allotropes
Which is an allotrope of carbon?
- A
  fullerene
- B
  ozone
- C
  white phosphorus
- D
  quartz
Diamond hybridisation
$s p^{3} (hardest)$
Q1MCQDiamond
The hybridisation of carbon in diamond is:
- A
  $sp^{3}$
- B
  $sp^{2}$
- C
  $sp$
- D
  $sp^{3}d$
Graphite hybridisation
$s p^{2} (conducts, lubricant)$
Q1MCQGraphite
The hybridisation of carbon in graphite is:
- A
  $sp^{2}$
- B
  $sp^{3}$
- C
  $sp$
- D
  $sp^{3}d^{2}$
CO nature
$neutral oxide, reducing agent$
Q1MCQCO
Carbon monoxide is a:
- A
  neutral oxide and reducing agent
- B
  acidic oxide
- C
  basic oxide
- D
  strong oxidiser
CO2 nature
$acidic oxide$
Q1MCQCO2
Carbon dioxide is a(n):
- A
  acidic oxide
- B
  basic oxide
- C
  neutral oxide
- D
  amphoteric oxide
Catenation (group 14)
$C > S i > G e > S n$
Q1MCQCatenation 14
The catenation order in group 14 is:
- A
  $C>Si>Ge>Sn$
- B
  $Sn>Ge>Si>C$
- C
  all equal
- D
  $Si>C$
Inert pair (group 14)
$Pb^{2 +} more stable than Pb^{4 +}$
Q1MCQInert pair Pb
Which lead ion is more stable?
- A
  $Pb^{2+}$
- B
  $Pb^{4+}$
- C
  $Pb^{3+}$
- D
  $Pb^{+}$
Silicones
$organosilicon polymers, water-repellent$
Q1MCQSilicones
Silicones are:
- A
  organosilicon polymers
- B
  pure silica
- C
  metal silicides
- D
  carbides
Zeolites
$aluminosilicates used as catalysts$
Q1MCQZeolites
Zeolites are used as:
- A
  catalysts and ion-exchangers
- B
  fuels
- C
  explosives
- D
  conductors

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P-Block Elements (b & C Family) formulas

P-Block Elements (b & C Family), every formula

Group 13 configuration

Group 14 configuration

Boron hydrides

Diagonal (B–Si)

Nature of B2O3

Allotropes of carbon

Diamond hybridisation

Graphite hybridisation

CO nature

CO2 nature

Catenation (group 14)

Inert pair (group 14)

Silicones

Zeolites

More JEE Advanced Chemistry formula sheets

Other ways to revise this chapter

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