Solve
Guides
Join / Login
Use app
Login
0
You visited us
0
times! Enjoying our articles?
Unlock Full Access!
Standard XII
Chemistry
Phosphine
Question
Phosphine is prepared by the reaction of :
P
and
H
2
S
O
4
P
and
N
a
O
H
P
and
H
N
O
3
P
and
H
2
S
A
P
and
H
2
S
O
4
B
P
and
H
2
S
C
P
and
N
a
O
H
D
P
and
H
N
O
3
Open in App
Solution
Verified by Toppr
P
4
+
3
N
a
O
H
+
3
H
2
O
→
P
H
3
+
3
N
a
H
2
P
O
2
(White) Phosphine Sod.hypophosphite
Phosphine is prepared by dissolving white phosphorous in boiling
N
a
O
H
solution.
Option B is correct.
Was this answer helpful?
1
Similar Questions
Q1
Assertion :Phenols give
o
−
and
p
−
nitrophenol on nitration with concentrated
H
N
O
3
and
H
2
S
O
4
mixture. Reason:
−
O
H
group in phenol is
o
−
p
−
directing.
View Solution
Q2
In the reaction between
N
O
and
H
2
the following data are obtained
Experiment 1 :
P
H
2
= constant
(mm of Hg)
359
300
152
−
P
H
2
d
t
1.50
1.03
0.25
Experiment 2:
P
N
O
= constant
P
H
2
(mm of Hg)
289
205
147
−
P
H
2
d
t
1.60
1.10
0.79
The orders with respect of
H
2
and
N
O
are:
View Solution
Q3
Benzoic acid reacts with conc.
H
N
O
3
and conc.
H
2
S
O
4
to give:
View Solution
Q4
What would be the stoichiometric coefficient of
P
and
H
N
O
3
respectively, in the net balanced equation for the given redox reaction:
P
+
H
N
O
3
→
H
P
O
3
+
N
O
+
H
2
O
View Solution
Q5
Reaction of phenol with dil. HNO
3
gives
[KCET 1993; RPMT 1997]
View Solution