Which one of the following is the weakest acid in water__________________?

Related Mcqs:

1. Which of the following is the weakest reducing agent ?

   A. HF
   B. HBr
   C. HC
   D. HI

2. The weakest (in strength) of the following intermolecular forces is_______________?

   A. Hydrogen bonding
   B. Vander Waals force
   C. Forces among the polar molecules
   D. Ionic bond

3. Acid present in acid rain may be_________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none of the above

4. Acid present in acid rain may be__________________?

   A. H2SO4
   B. HNO3
   C. both A and B
   D. none

5. The common thing in phthalic acid and oxalic acid is that both are_________________?

   A. Aromatic
   B. Dicarboxylic
   C. Hydrocarbons
   D. Strong acids

6. Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?

   A. Phosphine
   B. Phosphorus
   C. Water
   D. Phosphorus pentoxide

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

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

8. 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

9. Which of the following is not a fatty acid ?

   A. Propanoic acid
   B. Acetic acid
   C. Phthalic acid
   D. Butanoic acid

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

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