4
You visited us
4
times! Enjoying our articles?
Unlock Full Access!
Byju's Answer
Standard XII
Chemistry
Chlorination
The sequence ...
Question
The sequence of reagent which can efficiently bring about the above conversion is (are) ?
A
B
r
2
-hv/heat
No worries! We‘ve got your back. Try BYJU‘S free classes today!
B
B
r
2
-hv/heat,
C
2
H
5
O
N
a
/
C
2
H
5
O
H
;
N
B
S
−
h
v
;
B
2
H
6
−
T
H
F
then
C
H
3
C
O
O
H
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
C
B
r
2
-hv/heat ;
(
C
H
3
)
3
C
O
N
a
−
(
C
H
3
)
3
C
O
H
H
B
r
−
R
O
O
R
Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses
D
NBS-hv/
C
C
l
4
No worries! We‘ve got your back. Try BYJU‘S free classes today!
Open in App
Solution
The correct options are
B
B
r
2
-hv/heat,
C
2
H
5
O
N
a
/
C
2
H
5
O
H
;
N
B
S
−
h
v
;
B
2
H
6
−
T
H
F
then
C
H
3
C
O
O
H
D
B
r
2
-hv/heat ;
(
C
H
3
)
3
C
O
N
a
−
(
C
H
3
)
3
C
O
H
H
B
r
−
R
O
O
R
Hence options
B
and
C
are correct.
Suggest Corrections
0
Similar questions
Q.
Reagent used in the conversion of
(
C
H
3
−
C
H
3
→
C
H
3
−
C
H
2
−
O
H
)
alkane
→
alcohol
:
Q.
If an aqueous solution of X on heating with
N
a
O
H
+
C
a
O
followed by acidfication produced methane gas and
C
O
2
gas.
X
N
a
O
H
(
a
q
.
)
−
−−−−−−
→
Y
N
a
N
H
2
−
−−−−
→
Δ
Z
C
l
2
/
h
v
−
−−−
→
P
P
N
a
,
d
r
y
e
t
h
e
r
−
−−−−−−−
→
Q
C
l
2
/
h
v
−
−−−
→
R
a
l
c
.
K
O
H
−
−−−−−
→
S
S
B
r
2
−
−−
→
C
C
l
4
T
i
i
)
N
a
N
H
2
−
−−−−−−
→
i
)
a
l
c
.
K
O
H
U
F
e
t
u
b
e
−
−−−
→
R
e
d
h
o
t
W
From the given sequence of reactions,
W
is the final product in which x is the number of sigma bonds and y is the number of
π
bond(s) then
x
+
y
=
.
Q.
The final product B in the following reaction is :
C
H
3
C
H
2
C
H
=
C
H
2
N
B
S
,
h
v
−
−−−−−−
→
(
C
4
H
3
C
O
2
)
2
A
C
H
3
S
N
a
−
−−−−
→
C
H
2
O
H
B
Q.
A man of height
h
walks in a straight path towards a lamp post of height
H
with velocity
v
. Then velocity of the edge of the shadow on the ground will be
Q.
A parallel beam of light of intensity
I
and cross section area
S
is incident on a plate at normal incidence. The photoelectric emission efficiency is
100
%
, the frequency of beam is
v
and the work function of the plate is
ϕ
(
h
v
>
ϕ
)
. Assuming all the electrons are ejected normal to the plane and with same maximum possible speed. The net force exerted on the plate only due to striking of photons and subsequent emission of electron is
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
Alkanes - Chemical Properties - Introduction
CHEMISTRY
Watch in App
Explore more
Chlorination
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