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Orthophosphoric acid is...

Orthophosphoric acid is

A

Monobasic

B

Dibasic

C

Tribasic

D

Tetrabasic

Text Solution

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The correct Answer is:
C
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Write complete balanced reactions for the following : (a) Red phosphorous reacts with iodine in presence of water. (b) White phosphrous is boiled with a strong solution of NaOH in an inert atmosphere. ( c) Phosphorous reacts with conc. HNO_3 to give H_3PO_4 . (d) Iodine reacts with concentrated nitric acid. (e) Orthophosphoric acid is heated with nitric acid and ammonium molybdate. (f) Disodium hydrogen phosphate is added to ammonical solution of magnesium sulphate. (g) Magnesium is burnt in air and the product is treated with water. (h) Phosphine is passed through AgNO_3 solution. (i) A mixture of air and ammonia is passed over heated platinum gauze. (j) Gold is treated with aqua regia. (k) Water is added to calcium phosphide. (l) Calcium phosphate is heated with a mixture of sand and carbon. (m) Phosphorous reacts with nitric acid to give equimolar ratio of nitric oxide and nitrogen dioxide. (n) Zinc is treated the very dilute nitric acid. (o) Phosphine is treated with an acidified CuSO_4 solution.

Assertion (A) : Ortho phosphoric acid is tribasic acid Reason (R) : Orthophosphoric acid forms three series of salts.

Orthophosphoric acid on heating gives :

Molarity of a given orthophosphoric acid solution is 3M. Its normality is

Molarity of a given orthophosphoric acid solution is 3M. Its normality is

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