HNO2 (Nitrous acid) is a monobasic acid. – True or False?
Options:
A .  
True
B .  
False
C .  
Nitric oxide
D .  
Metal Nitrite
Answer: Option A : A HNO2 (Nitrous acid) is monobasic acid because it can donate only a single proton. Basicity is the number of protons that an acid can give. From the structure, We can see that there is only one H atom and so only one proton can be abstracted from a HNO2 molecule. What can you say about the basicity of nitric acid?
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