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Oxidising and Reducing Nature

An oxy-acid o...

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An oxy-acid of phosphorous is prepared by hydrolysis and oxidation of red P by $N a O C l$ or yellow P by $H_{2} O$ and air. What is the basicity of the oxyacid?

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Q. An oxy acid of phosphorus is a white deliquescent crystalline solid. It can be prepared by the hydrolysis of

P_{2} O_{3}

P C l_{3}

. The formula of the compund is

Q. Oxyacids of phosphorous and the starting materials for their preparation are given below.

Oxyacid	Materials for preparation
(A) $H_{3} P O_{2}$	(i) Red P + alkali
(B) $H_{3} P O_{3}$	(ii) $P_{4} O_{10}$ + $H_{2} O$
(C) $H_{3} P O_{4}$	(iii) $P_{2} O_{3}$ + $H_{2} O$
(D) $H_{4} P_{2} O_{6}$	(iv) White P + alkali

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Q. An oxyacid of phosphorus which is a white deliquescent crystalline solid can be prepared by the hydrolysis of

P_{2} O_{3}

. The formula of the oxyacid is:

Q. Concentrate nitric acid oxidises phosphorus to phosphoric acid according to the following equation:

P + 5 H N O_{3} (c o n c .) \to H_{3} P O_{4} + H_{2} O + 5 N O_{2}

What mass of phosphoric acid can be prepared from

6.2 g

of phosphorous?

What is the major structure of the oxy-acid of phosphorous?

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