Group 1 table 2

Question 1

Reagents: Cl

Answer 1

Hg2(NO3)2, HNO3

Question 2

Reagents: Br

Answer 2

KMnO4, H2SO4, Chloroform

Question 3

Reagents: I

Answer 3

KMnO4, H2SO4, chloroform

Question 4

Reagents: I

Answer 4

CH3COOH, NaNO2, starch solution

Question 5

Reagents: CN

Answer 5

Hg2(NO3)2, HNO3

Question 6

Reagents: Fe(CN)6 ^-4

Answer 6

FeCl3

Question 7

Reagents: Fe(CN)6 ^-3

Answer 7

FeSO4

Question 8

Reagents: SCN

Answer 8

FeCl3

Question 9

Formula: Cl

Answer 9

Hg2Cl -> Hg

Question 10

Formula: Br

Answer 10

Br2 (arrow up) red-brown gas/ brown gas

Question 11

Formula: I (KMnO4, H2SO4, chloroform)

Answer 11

I2 (arrow up) violet gas

Question 12

Formula: I (CH3COOH, NaNO2, starch solution)

Answer 12

I2

Question 13

Formula CN

Answer 13

Hg2(CN)2 -> Hg^0

Question 14

Formula: Fe(CN)6 ^-4

Answer 14

Fe4(Fe(CN)6)3

Question 15

Formula: Fe(CN)6 ^-3

Answer 15

Fe3(Fe(CN)6)2

Question 16

Color and Nature: Cl

Answer 16

white to gray ppt

Question 17

Color and Nature: Br

Answer 17

Brown gas orange to brown CHCl3 layer

Question 18

Color and Nature: I (1)

Answer 18

Violet/Purple layer

Question 19

Color and Nature: I (2)

Answer 19

Iodo-starch complex
Blue solution

Question 20

Color and Nature: CN

Answer 20

White to gray ppt

Question 21

Color and Nature: Fe(CN)6 ^-4

Answer 21

Prussian blue
Blue ppt

Question 22

Color and Nature: Fe(CN)6 ^-3

Answer 22

Turnbull’s blue
Blue ppt

Question 23

Color and Nature: SCN

Answer 23

Blood red solution

Question 24

Formula: SCN

Answer 24

Fe(SCN)3