A. HF
B. HCI
C. HBr
D. HI
Related Mcqs:
- Which of the following is the weakest reducing agent ?
A. HF
B. HBr
C. HC
D. HI - 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 - Acid present in acid rain may be_________________?
A. H2SO4
B. HNO3
C. both A and B
D. none of the above - Acid present in acid rain may be__________________?
A. H2SO4
B. HNO3
C. both A and B
D. none - The common thing in phthalic acid and oxalic acid is that both are_________________?
A. Aromatic
B. Dicarboxylic
C. Hydrocarbons
D. Strong acids - Phosphorous acid upon thermal decomposition yields phosphoric acid and____________________?
A. Phosphine
B. Phosphorus
C. Water
D. Phosphorus pentoxide - Phosphoric acid is a weak acid and its basicity is____________________?
A. 1
B. 3
C. zero
D. 2 - 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 - Which of the following is not a fatty acid ?
A. Propanoic acid
B. Acetic acid
C. Phthalic acid
D. Butanoic acid - Which of the following will give phosphoric acid one reaction with water_________________?
A. PCI5
B. P2O3
C. P2O5
D. All of the above
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