ORGANIC CHEMISTRY

Question 1

alkane general formula

Answer 1

CnH2n+2

Question 2

alkene

Answer 2

CnH2n

Question 3

cycloalkanes

Answer 3

CnH2n

Question 4

alcohols

Answer 4

CnH2n+1 X

Question 5

Carboxylic

Answer 5

CnH2n+1COOH

Question 6

KETONNES

Answer 6

CnH2nO

Question 7

ESTER

Answer 7

R1COOR2

Question 8

AMINES

Answer 8

CnH2n+1NH3

Question 9

what is nucleophilic

Answer 9

electron donor
negative

Question 10

what is electrophilic

Answer 10

pair electron acceptor
positive

Question 11

how is the bond starting from

Answer 11

a lone pair of electron OR a bond OR a negative sign

Question 12

alkene are polar or non polar

Answer 12

polar

Question 13

what is isomerism

Answer 13

have the molecular formula but have different different arrangement of their atoms

Question 14

stereoisomers

Answer 14

these molecules have molecular and structural formulas but a slightly different spatial arrangement

Question 15

alkene reacts with hydrogen halide

Answer 15

forms hoalkanes
electrophilic addition

Question 16

alkene reacts with steam in present of catalyst to foam

Answer 16

alcohol (catalyst is h2so4)
electrophilic addition it is reversible reaction

Question 17

alkene reacts with alkene to give

Answer 17

.colourless solution

Question 18

alkene reacts with H2

Answer 18

catyaslst is Ni and it foams alkane

Question 19

recycle plastic

Answer 19

recycle
organic feedback
combustion

Question 20

halogenoalkane reacts with NaoH/KOH form what and the condition

Answer 20

ACOHOL (condition of heat)

Question 21

halogenoalkane reacts with NaCN/KCN to form what and the condition needed

Answer 21

(Nitrile condition of heat)

Question 22

halogenoalkane reacts with NH3

Answer 22

Primary amine( heat under pressure and NH3)

Question 23

alkane reacts with haloaknes to produce

Answer 23

halogenoalkane (u.v light)

Question 24

test to distinguish between an aldehyde and ketone

Answer 24

Fehling’s test

Question 25

Reduction

Answer 25

the process by which oxygen is removed from a molecule or hydrogen is added

Question 26

test to distinguish between an aldehyde and ketone

Answer 26

Tollens’ test(aldehyde is present)

Question 27

Oxidation

Answer 27

the process by which oxygen is added to a molecule or hydrogen removed

Question 28

the process by which oxygen is added to a molecule or hydrogen removed

Answer 28

Sodium borohydride, NaBH4

Question 29

reducing agent can reduce carboxylic acids, amides and esters

Answer 29

lithium aluminium hydride, LiAlH4, which is a much more reactive reducing agent

Question 30

Use 2,4-DNP to identify

Answer 30

carbonyl

Question 31

for elimation of alcohol to alkene used what catalyst

Answer 31

conc h2so4