block 15 Flashcards
1
Q
1.
non metal in p block
A
nitrogen phosphorus
2
Q
metaloids in p block
A
arsenic, antimony
3
Q
metals in p block
A
bismuth
4
Q
nano3 is also called
A
chile saltpetre
5
Q
kno3 is also called
A
indian saltpetre
6
Q
common oxidation states
A
-3, +3, +5
tendency to exhibit -3 decreases due to increase in size and mettalic ch
7
Q
stability of which os decreases down the group
A
+5
and +3 increases due inert pair effect
8
Q
ammonia is
A
mild reducing agent
9
Q
BiH3
A
strong reducing agent
10
Q
basicity order
A
nh3>ph3>ash3>sbh3>bih3
11
Q
ammonia has
A
3 bond pair and one lone pair
presence of lone pair makes it lewis base
12
Q
Na2O and MgO are
A
basic
13
Q
SO3 NO2 N2O5 are
A
acidic
14
Q
N2O NO CO
A
neutral
N2O laughing gas
15
Q
orthoboric acid
A
H3BO3
