HALOALKANES AND HALOARENES

Question 1

WHICH OF FOLLOWING COMPOUND GIVES YELLOW PPT WITH AGNO3 SOLU
1]KIO3
2]CHI3
3]KI
4]CH2I2

Answer 1

KI

Question 2

WHAT IS FORMED BY RXN OF ETHYL BROMIDE WITH LEAD SODIUM ALLOY

Answer 2

TETRAETHYL LEAD

Question 3

CH3BR+OH-→CH3OH +BR

Answer 3

NUCLEOPHILLIC SUBSUTION

Question 4

ALKY IODIDES ARE OFTEN PREPARED BY THE RXN OF ALKYL CHLORIDES /BROMINES WITH NAI IN DRY ACETONE THIS RXN IS CALLED

Answer 4

FINKELSTAIN RXN

Question 5

IN ARYL HALIDE THE CARBON LINKED TO HALOGEN ATOM IS

Answer 5

SP2 HYBRIDIZED

Question 6

IN SN1 RXN IN FIRST STEP FORMED

Answer 6

CARBOCATION

Question 7

CHOLORBENZENE REACTS WITH CHLORAL AND CONC H2SO4 TO FORM

Answer 7

DDT

Question 8

THE FOLLOWING COMPOUND REACTS WITH SILVER POWDER TO FORM ACETYLENE

Answer 8

CHI3

Question 9

PYRENE IS USED WITH ANY ONE OF FOLLOWING FOR EXTINGUSIED FIRE

Answer 9

CCL4

Question 10

WHICH OF FOLLOWING COMPOUND IS KNOWN BY THE NAME FREON

Answer 10

CCL2F2

Question 11

ON HEATING ETHYL IODIDE WITH ALCHOLIC KOH THE PRODUCT FORMED IS

Answer 11

ETHYLENE

Question 12

ON HEATING C2H5OH WITH IODINE AND A BASE THE PRODUCT FORMED IS

Answer 12

CHI3

Question 13

WHC=ICH OF THE CHEMICAL FORMULA IS OF CHLOROPICRIN

Answer 13

C(NO2)CL3

Question 14

ORDER OF POLARITY OF CH3I,CH3BR,CH3CL MOLECULES

Answer 14

CH3CL>CH3BR>CH3I

Question 15

CORRECT ORDER OF REACTIVITY OF ALKYL HALIDES IS

Answer 15

I>BR>CL

Question 16

WHAT IS FORMED ON HEATING IODOFORM WITH SILVER POWDER

Answer 16

ACETYLENE

Question 17

RASCHING METHOD IS USED FOR

Answer 17

CHLOROBENZENE

Question 18

THE FORMULA OF THE HARMFUL PRODUCT FORMED ON KEEPING CHLOROFORM OPEN IS —-

Answer 18

POSEGEN COCL2

Question 19

GENERAL FORMULA OF ALKYL HALIDE

Answer 19

CnH2n+1X

Question 20

ON HEATING AROMATIC PRIMARY AMINE WITH CHLOROFORM AND ALCHOLIC CAUSTIC POTASH A BAD SMELLING GAS —- IS FORMED

Answer 20

PHENYL ISOCYANIDE

Question 21

BHC IS AN INSECTICIDE WHOSE COMMERICAL NAME IS

Answer 21

GAMMAXENE OR LINDANE

Question 22

CHLORETONE IS A HIGH GRADE –

Answer 22

HYPNOTIC MEDICINE

Question 23

SN1 RXN OCCUR IN —-STEPS

Answer 23

2

Question 24

IN HALOARENE SUBSITUTION RXNS ARE MAINLY

Answer 24

ELECTROPHILIC

Question 25

FORMULA OF REFRIGERENT FREON

Answer 25

CCL2F2

Question 26

CARBON TETRACHLORIDE IS INSOLUBLE IN WATER

Answer 26

TRUE

Question 27

CHLOROFORM IS FORMED IN COLOURED BOTTLES

Answer 27

FALSE

Question 28

IODOFORM IS USED AS AN ANTISEPECTIC

Answer 28

TURE

Question 29

BY THE RXN OF BLECHING POWDER AND ACETONE CHLOROBENZENE ARE FORMED

Answer 29

FALSE

Question 30

CH3OH CANOT BE PREPARED BY CHLOROFORM

Answer 30

TRUE

Question 31

HEXACHLORO

Answer 31

GAMMAHEXENE

Question 32

DICHLORO - DIFLUORO METHANE

Answer 32

FREON 12

Question 33

CHLORETONE

Answer 33

HYPNOTIC

Question 34

CARBONYL CHLORIDE

Answer 34

PHOSGENE GAS

Question 35

WESTRON

Answer 35

SOLVENT

Question 36

TETRA CHLOROMETHANE

Answer 36

PYRENE

Question 37

ON REACTING BENZENE WITH METHYL CHLORIDE IN PRESENCE OF ALCL3 TOLUENE IS FORMED WHAT IS NAME OF RXN

Answer 37

FRIDAL CRAFT RXN

Question 38

ALKYL HALIDES IS POLAR IN NATURE STILL IT IS INSOLUBLE IN WATER

Answer 38

DUE TO INABILITY TO FORM HYDRGEN BOND

Question 39

ON HEATING ALKYL HALIDE WITH SODIUM METAL PRODUCT FORMED IS

Answer 39

ALKANE

Question 40

ON HEATING BENZENE DIAZONIUM SALT WITH CUPROUS HALIDE AND ITS CORRESPONDING ACID HALOARENE IS FORMED WRITE NAME OF RXN

Answer 40

SANDMEYAR RXN

Question 41

ON HEATING IDODBENZENE WITH COPPER POWDER AT200*C PRODUCT OBTAINED IS

Answer 41

DIPHENYL

Question 42

WHAT IS FORMED ON TREATING BENZENE WITH CL2 IN THE PRESENCE OF SUNLIGHT

Answer 42

BHC BENZENE HEXA CHLORIDE

Question 43

WRITE CHEMICAL NAME OF DDT

Answer 43

DICHLORODIPHENYLTRICHLORETHANE

Question 46

WHY IS SULPHURIC ACID NOT USED DURING RXN OF ALCHOLS WITH HI??

Answer 46

H2SO4 IS AN OXIDISING AGENT IT OXIDIES HI PRODUCE DURING RXN TO I2 AND THUS PREVENT RXN BETWEEN ALCHOL AND AN ALKYL IODIDE