Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?

Related Mcqs:

1. Phosphoric acid is a weak acid and its basicity is____________________?

   A. 1 B. 3 C. zero D. 2...

2. Which of the following will give phosphoric acid one reaction with water_________________?

   A. PCI5 B. P2O3 C. P2O5 D. All of the above...

3. Phosphene gas will be produced if phosphorous acid is subjected to___________________?

   A. Oxidation B. Reduction C. Decomposition D. Both b & c...

4. When 0.5 mole of phosphoric acid is dissolved in aqueous solution how many moles of -ve and +ve ions are collected altogether ?

   A. 0.5 B. 1 C. 1.5 D. 2...

5. Nitrates of which pair of elements give different products on thermal decomposition ?

   A. Na K B. Mg Ca C. Li Na D. Li Ca...

6. Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____

   A. 500⁰C B. 700⁰C C. 900⁰C D. 1300⁰C Submitted by: Aamir khan Hullio...

7. Carboxylic acid on reduction with HI / phosphorous yields_________________?

   A. alkane B. alcohols C. aldehydes D. ketones...

8. Which allotropic form of phosphorous is the most stable ?

   A. White B. black C. red D. Violet...

9. When sulphuric acid is treated with ethanol sulphuric acid behaves like________________?

   A. an acid B. a dehydrating agent C. an oxidizing agent D. as sulphonating agent...

10. When alcohol reacts with phosphorous halides it geive____________________?

    A. alkyl halides B. alkyl amine C. alkanes D. alkynes...