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Chemistry > Chemical Bonding > Flashcards

Chemical Bonding Flashcards

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1
Q

Types of chemical forces

A

Vanderwaal forces, hydrogen bonding, chemical bonds

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2
Q

Ionic Bond

A

Transfer of electrons from electropositive to electronegative element

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3
Q

Covalent Bond

A

Mutual sharing of electrons between two atoms

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4
Q

Metallic Bond

A

Force of attraction between free electrons and metals kernels present on the surface of a metal

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5
Q

Polarising Power of Cation

A

Tendency of cation to distort electron cloud of an anion

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6
Q

Polarizability of Anion

A

Distortion of anion due to cation

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7
Q

Factors affecting polarising power

A

Ionisation Energy, Zeff, Covalent character, 1/Ionic character

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8
Q

Polarizability of anion

A

Charge on anion, Covalent character, 1/Ionic character

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9
Q

s orbitals only form which bond

A

Only sigma

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10
Q

Sigma bond

A

Bonds formed by head-on overlapping of two pure atomic orbitals or two hybrid atomic orbitals or 1 hybrid and 1pure orbital

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11
Q

Pi bond

A

Bond formed by lateral or side-wise overlapping of pure atomic orbital

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12
Q

Delta bond

A

Bonds in which two d-orbitals overlap with each other

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13
Q

𝜏 bond

A

Bonds formed by side-wise overlapping of two hybrid orbitals away from their internuclear axis

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14
Q

3 types of covalent types

A

Hypervalent: More than 8
Hypovalent: Less than 8
Isovalent: Equal to 8

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15
Q

Structure with sp hybridisation

A

Linear

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16
Q

Structure with sp2 hybridisation

A

Triagonal Planner

17
Q

Structure with sp3 hybridisation

A

Tetrahedal

18
Q

Structure with sp3d hybridisation

A

Triangular Pyramidal

19
Q

Structure with sp3d2 hybridisation

A

Octahedral

20
Q

Structure with sp3d3 hybridisation

A

Pentagonal

21
Q

Draw the structure of NH3 and H2O

A
22
Q

Back Bonding

A

Coordinate bond between acceptor and donor atom

23
Q

Diborane(B2H6)

A

Smallest nido borane
Dimerisation of BH3

24
Q

Bond Order depends upon

A

Stability, 1/Bond Length

25
Q

Polar compounds

A

Molecules having net non-zero values of dipole moment

26
Q

Non-polar compounds

A

Molecules having dipole moment zero

Chemistry (16 decks)

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