Basic Principles

Question 1

Who proposed that a vital force was responsible for the formation of organic compounds

Answer 1

Berzilius

Question 2

Who rejected berzilius Vital force in eightteen twenty eight

Answer 2

F wohler

Question 3

What did f wohler synthesize

Answer 3

Organic compound urea From an inorganic compound ammonium cyanate

Question 4

What’s the formula of urea

Answer 4

Nh2conh2

Question 5

So synthesized acetic acid and methane by inorganic sources

Answer 5

Berthelot

Question 6

Order of strength of bond
Big to small

Answer 6

Sp
Sp2
Sp3

Question 7

Order of length of bond
Big to small

Answer 7

Sp3
Sp2
Sp

Question 8

Order of electronegativity
Big to small

Answer 8

Sp
Sp2
Sp3

Question 9

Methane formula

Answer 9

Ch4

Question 10

Ethene formula

Answer 10

C2h4

Question 11

Ethyne formula

Answer 11

C2h2

Question 12

What’s pi bond

Answer 12

Parallel orientation of two p orbitals

Question 13

Plane of molecule is ___ to p orbitals in a pi-pi overlap

Answer 13

Perpendicular

Question 14

What is the valency of nitrogen

Answer 14

3.

Question 15

Name the hybridisation for the Bonds
Single
Double
Triple

Answer 15

Sp3 sp2 sp respectively

Question 16

Hypnotization of carbon and ch3cl

Answer 16

Sp3

Question 17

What is v s e p r theory

Answer 17

The repulsion between the pears of valence electrons

Question 18

Arrange them in the order of Highest repulsion to lowest repulsion
Bond pair bond pair
Lone pair bond pair
Lone pair Lone pair

Answer 18

Lone pair lone pair
Lone pair bond Pair
Bond pair bond pair

Question 19

Shape of ab2

Answer 19

Linear

Question 20

Shape and angle of ab3

Answer 20

Trigonal planar 120

Question 21

Shape and angle of ab2L

Answer 21

Bent or v shape 120

Question 22

Shape and angle of ab4

Answer 22

Tetrahedral 108°23’

Question 23

Shape and angle of ab3L

Answer 23

Pyramidal less than 109.5 nearly 107

Question 24

Shape and angle in ab2l2

Answer 24

Bent or v 109.5

Question 25

Angle and shape in ab5

Answer 25

120 trigonal bipyramidal

Question 26

Angle and bond in ab4L

Answer 26

Seesaw 180

Question 27

Angle and bond in ab3l2

Answer 27

T 90

Question 28

Angle and bond in ab2l3

Answer 28

180 linear

Question 29

angle and bond in ab6

Answer 29

90 octahedral

Question 30

Angle and shape in ab5l

Answer 30

Square pyramidal 90

Question 31

Angle and shape in ab4l2

Answer 31

Square planar 90

Question 32

Angle and shape in ab7

Answer 32

Pentagonal bipyramidal 90

Question 33

Geometry - hybridisation Linear Trigonal planar Tetrahedral Trigonal bipyramidal Octahedral

Answer 33

Sp Sp2 Sp3 Sp3d Sp3d2

Question 34

tell the formulas of Methane Ethane propane butane pentane hexane heptane Octane nonane decane icosane triacontane

Answer 34

ch4 C2H6 c3h8 C4h10 c5h12 C6h14 C7h16 c8h18 C9h20 c10H22 C20h42 c30h62

Question 35

Where do we use the prefix iso

Answer 35

We use it when a methyl group located on the second carbon of a carbon chain.

Question 36

Where do we use neo

Answer 36

When all but two carbon forms a continuous chain

Question 37

Where do we use secondary With exceptional case

Answer 37

Secondary is used when the functional group is bonded to a secondary carbon.This can be used Only for the chain containing four or more carbons

Question 38

Name the order of decreasing priority of functional groups

Answer 38

sulfonic acid carboxylic acid anhydride Ester acid halide amide cyanide isocyanide aldehyde Ketone alcohol thio alcohol amine ester epoxide azo nitro alkane alkene alkane halide

Question 39

What is chain isomerism

Answer 39

Same molecular formula different structure

Question 40

What are position isomers

Answer 40

Different position of functional group

Question 41

What is functional group isomerism

Answer 41

Same molecular formula but different functional groups

Question 42

What is metamerism

Answer 42

Same molecular formula but different alkyl groups

Question 43

What is stereoisomerism

Answer 43

Same sequence of covalent bombs but different in positions of their atom or groups

Question 44

What's a carbocation

Answer 44

Sextet of electrons and positive charge

Question 45

Ch3+ ion is known as

Answer 45

Methyl cation or methyl carbonium ion

Question 46

When are carbocations are classified into primary secondary and tertiary

Answer 46

When one two or three carbons are directly attached to positively charged carbon

Question 47

Stability of carbocations big to small

Answer 47

Tertiary Secondary Primary

Question 48

Shape of carbocationh

Answer 48

Trigonal planar

Question 49

Order of stability of alkyl radicals Small to big

Answer 49

Free radical Primary Secondary Tertiary

Question 50

What's a nucleophile

Answer 50

Reagent that brings electron to reactive side

Question 51

Whats an electrophile

Answer 51

Reagent that takes electron from reactive side

Question 52

What is polarizability effect

Answer 52

Temporary electron displacement effects are seen in a molecule when a reagent approaches to attack it