Question
Oxyacids of phosphorous and the starting materials for their preparation are given below.
|
Oxyacid |
|
Materials for preparation |
| a. |
$$HP{O_3}$$ |
1. |
$${P_2}{O_5} + {H_2}{O_2} + {H_2}O$$ |
| b. |
$${H_3}P{O_3}$$ |
2. |
$${P_4}{O_{10}} + {H_2}O$$ |
| c. |
$${H_3}P{O_4}$$ |
3. |
$${P_2}{O_3} + {H_2}O$$ |
| d. |
$${H_3}P{O_5}$$ |
4. |
$${P_4}{O_{10}} + {H_2}S{O_4}$$ |
Choose the correct answer from the codes given below :
A.
a - 4, b - 3, c - 2, d - 1
B.
a - 1, b - 3, c - 2, d - 4
C.
a - 4, b - 3, c - 1, d - 2
D.
a - 2, b - 3, c - 1, d - 4
Answer :
a - 4, b - 3, c - 2, d - 1