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Byju's Answer
Standard XII
Chemistry
Hydrides of Group 16
Which is more...
Question
Which is more basic
M
g
(
O
H
)
2
or
A
l
(
O
H
)
3
?
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Solution
A
l
(
O
H
)
3
is more basic than
B
e
(
O
H
)
2
since the size of Al atom is more than that of Be, the force of attraction between
A
l
3
+
ion and
O
H
−
will be less than that between
B
e
2
+
and
O
H
−
ion. Hence Al can loose the
O
H
−
ion easily than by Be.
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Similar questions
Q.
The number of compounds which are having only acidic nature is ________.
B
e
(
O
H
)
2
,
M
g
(
O
H
)
2
,
A
l
(
O
H
)
3
and
B
(
O
H
)
3
Q.
Consider
(
1
)
Z
n
(
O
H
)
2
(
2
)
C
r
(
O
H
)
3
(
3
)
M
g
(
O
H
)
2
(
4
)
A
l
(
O
H
)
3
which hydroxide is precipitated by
N
H
4
O
H
containing
N
H
4
C
l
?
Q.
What is the ratio of mole
M
g
(
O
H
)
2
and
A
l
(
O
H
)
3
in one litre in their saturated solution?
K
s
p
of
M
g
(
O
H
)
2
=
4
×
10
−
12
,
A
l
(
O
H
)
3
=
1
×
10
−
33
Give answer by multiplying it with
10
−
17
Q.
Find the number of amphoteric hydroxide(s) from the following:
B
e
(
O
H
)
2
,
M
g
(
O
H
)
2
,
A
l
(
O
H
)
3
,
L
i
O
H
,
B
(
O
H
)
3
,
Q.
Find the odd one with reasons [valency is not a criterion]:
A
l
(
O
H
)
3
,
P
b
(
O
H
)
2
,
M
g
(
O
H
)
2
,
Z
n
(
O
H
)
2
:
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