The p-BlockElements

The p-BlockElements

Objectives

7.1 Group 15Elements

Unit

D

D D D

®

p p

p p

p p

p

D !

D !

Intext Questions

®

¾¾¾®

®

º

¾¾¾®

¾¾¾®

7.2 Dinitrogen

Example 7.1

Solution

Example 7.2Solution

® +

Example 7.3

Solution

Intext Question

+ ® + +�

®

®

! D !

7.3 Ammonia

Uses!

� � � � ��� � � � �� D y

� � � � ��� � � ���

!!!

+ ® +

!

+ -+ ®

é ù+ ® ë û

Example 7.4

Intext Questions

7.4 Oxides ofNitrogen

¾¾¾®

+

+ +

® +

+ +

+ ¾¾¾¾®

� � � � ��� � � � ��

+® +

Solution

Uses!

Intext Question

7.5 Nitric Acid

SolutionExample 7.5

+ ® +

+ ¾¾¾¾¾¾¾¾® +

+ �

+ ® +

®

®®

®

®

7.6 Phosphorus —AllotropicForms

®®®®

®

+ ®

Uses!

+ + ® +

+ ®

7.7 Phosphine

ab a

b

®®

+ + ® +

+ ® + +

+ ® +

+ ® +

+ ®

Uses!

+ ®

+ ® + +

+ ®

+ ® ++ ® +

+ ®

+ ® +

+ ® ++ ® +

Example 7.6

+ ®

Solution

Intext Questions

7.8 Phosphorus Halides

¾¾¾® +

+ ® + +

+ ® +

+ ® +

+ ® +

+ ®

Example 7.7Solution

Example 7.8Solution

Intext Questions

7.9 Oxoacids ofPhosphorus

® +

®

Example 7.9

Solution

Intext Questions

7.10 Group 16Elements

have

Example 7.10

Solution

D

D

D

D

®

Example 7.11Solution

Intext Questions

¾¾¾¾® +

® ®® ®

®

+ ®

+ ®

+ ®

+ ®®

+ ® +

+ ¾¾¾¾®

+ ¾¾¾¾® +

7.11 Dioxygen

���de� �a� �e ��� ��e �e���� M��� ��

+ ®

+ ®

+ -+ + ® +

+ + ®

Uses!

®®

7.12 SimpleOxides

Intext Questions

7.13 Ozone

® D !

DD

D

®

®®

+ ® +

Uses!

a b

a

b

ba a

b

7.14 Sulphur —AllotropicForms

p

Example 7.12Solution

Intext Questions

®

®

+ ® +

+ �

®

®

®+ ¾¾¾¾®

+ + - +

- - + +

+ + ® + +

+ + ® + +

Uses!

7.15 SulphurDioxide

Intext Questions

7.16 Oxoacids ofSulphur

+ ¾¾¾¾® -

7.17 SulphuricAcid

®

®

®

®

¾¾¾¾®

®

®

®

Uses!

Intext Questions

7.18 Group 17Elements

D

!

Example 7.14

Solution

Example 7.15

Solution

®®®

D DD¾¾¾¾¾¾® ¾¾¾¾® ¾¾¾¾¾®V VV

+ -

- +

+ ® + +

+ ® +

+ + ® +

D !

+ ®

¢ ¢ ¢ ¢

¢

Intext Questions

Example 7.16

Solution

®

®

®

+ ¾¾¾¾® +

® ®® ®®

+ ®+ ® +

+ ® +

® ®

®

®

®

7.19 Chlorine

¾¾¾®

¾¾¾¾¾¾®

®®

®®

®®

Uses!

®

Example 7.17

Solution

Intext Questions

7.20 HydrogenChloride

¾¾¾¾®

¾¾¾¾®

®

+ - - -

+ - - -

+ + + ® + +

+ + + ® + +

®®®

Uses!

+ ® +

Example 7.18

Solution

7.21 Oxoacids ofHalogens

¢ ¢ ¢ ¢ ¢

¢

¢

7.22 InterhalogenCompounds

+ ®

+ ¾¾¾¾®

+ ¾¾¾¾® + ®

+ ®

+ ®

¢

ab

¢

¢

¢

¢

¢¢ ¢ ¢

+ ® +

Example 7.19

Solution

Uses!

®

Intext Question

® +

7.23 Group 18Elements

Example 7.20Solution

Example 7.21Solution

¾¾¾¾¾®

¾¾¾¾¾¾®

-¾¾¾¾¾¾¾®

+ ® +

®

® ®®

®®

®®

Uses!

Intext Questions

®

Example 7.22Solution

Summary

p

b

® ®

!!ercises

p p º

¢

®

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