Oxides of Phosphorus

Q. How many bridging oxygen atoms are present in $P_4{O}_{10}$?

1. 6
2. 4
3. 2
4. 5

Q. $P_4{O}_{10}$ undergoes complete and violent hydrolysis to give __ acid.

Q. Write bond line formula for 2, 3-dimethyl butanal.

Q. Select the correct options regarding the comound $P_4{O}_{10}$

1. It has 6 $P-O-P$ bonds
2. The average oxidation state of phosphorous is +5
3. The compound is held together by weak van der Waal's forces
4. It is not used as a desicant

Q. In $P_4{O}_6$, the number of oxygen atoms bonded to each P atom is:

1. 1
2. 2
3. 3
4. 4

Q. The correct statement(s) out of the following is/are:

1. $P_4{O}_{10}$ is used as a drying agent
2. White phosphorus has $4\text{P}-\text{P}$ bonds
3. In $P_4{O}_{10}$, each phosphorus atom is bonded to three oxygen atoms
4. $P_4{O}_{10}$ hydrolyses in water and forms phosphorus acid

Q. The number of $\text{P – O – P}$ bonds in $P_4{O}_6$:

1. $6$
2. $0$
3. $3$
4. $4$

Q. In each of the following questions, two statements are given: statement -1 and statement -2. Examine the statements carefully and answer the questions according to the instructions given below:

Statement 1: Phosphorus reacts with $\text{conc}.HN{O}_3$ to form orthophosphoric acid.

Statement 2: $H_{3}P{O}_4$ is a tribasic acid and has three replaceable $H^{+}$ ions.

1. Statement -1 is true, statement -2 is true; statement -2 is the correct explanation for statement -1.
2. Statement -1 is true, statement -2 is true; statement -2 is not the correct explanation for statement -1.
3. Statement -1 is true, statement -2 is false.
4. Statement -1 is False, Statement -2 is true.