1
You visited us
1
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Solubility Product
Identify [ ...
Question
Identify
[
A
]
and
[
B
]
in the following:
227
89
A
c
−
β
−
−−−−
→
[
A
]
−
α
−
−−−−
→
[
B
]
−
α
−
−−−−
→
R
n
A
P
o
,
R
n
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
T
h
,
P
o
No worries! We‘ve got your back. Try BYJU‘S free classes today!
C
R
a
,
T
h
No worries! We‘ve got your back. Try BYJU‘S free classes today!
D
T
h
,
R
a
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
Open in App
Solution
The correct option is
B
T
h
,
R
a
227
89
A
C
−
β
−
→
227
90
[
A
]
−
α
−
−
→
223
88
[
B
]
−
α
−
−
→
219
86
R
n
α
-decay
A
Z
X
−
α
−
−
→
A
−
4
Z
−
2
Y
β
-decay
A
Z
X
−
β
−
→
A
Z
+
1
Y
∙
element with Z=90 is Thorium (Th)
∙
element with Z=88 is Radium (Ra).
∴
[A] and ]B] are Th and Ra respectively.
Suggest Corrections
0
Similar questions
Q.
Find the atomic number and mass number of the last member in the following series:
(a)
226
88
R
a
−
α
−
−−−−
→
R
n
−
α
−
−−−−
→
R
a
A
−
α
−
−−−−
→
R
a
B
−
β
−
−−−−
→
R
a
C
(b)
M
Z
A
−
α
−
−−−−
→
B
−
β
−
−−−−
→
C
−
β
−
−−−−
→
D
−
α
−
−−−−
→
E
Q.
Radioactive disintegration of
226
88
R
a
takes place in the following manner into
R
a
C
,
R
a
−
α
−
−−−−
→
R
n
−
α
−
−−−−
→
R
a
A
−
α
−
−−−−
→
R
a
B
−
β
−
−−−−
→
R
a
C
Determine mass number and atomic number of
R
a
C
.
Q.
To which group of the periodic table does the last member of the following series belong?
(a)
239
92
U
−
β
−
−−−−
→
239
93
N
p
−
β
−
−−−−
→
239
94
P
u
(b)
140
55
C
s
−
β
−
−−−−
→
140
56
B
a
−
β
−
−−−−
→
140
57
L
a
−
β
−
−−−−
→
140
58
C
e
(c)
226
88
R
a
−
α
−
−−−−
→
222
86
R
n
−
α
−
−−−−
→
218
84
P
o
Q.
In the decay process:
A
−
α
−
−−−−
→
B
−
β
−
−−−−
→
C
−
β
−
−−−−
→
D
Q.
214
83
B
i
α
−
e
m
i
s
s
i
o
n
−
−−−−−−−−−−
→
A
β
−
e
m
i
s
s
i
o
n
−
−−−−−−−−−−
→
B
β
−
e
m
i
s
s
i
o
n
−
−−−−−−−−−−
→
C
β
−
e
m
i
s
s
i
o
n
−
−−−−−−−−−−
→
D
α
−
e
m
i
s
s
i
o
n
−
−−−−−−−−
→
E
'
E
' is an element of stable nucleus. What is the element '
E
'?
View More
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
Related Videos
Solubility and Solubility Product
CHEMISTRY
Watch in App
Explore more
Solubility Product
Standard XII Chemistry
Join BYJU'S Learning Program
Grade/Exam
1st Grade
2nd Grade
3rd Grade
4th Grade
5th Grade
6th grade
7th grade
8th Grade
9th Grade
10th Grade
11th Grade
12th Grade
Submit
AI Tutor
Textbooks
Question Papers
Install app