Each oxy-acid contains at least one X—OH unit (X is non-metal). The H-atom of X—OH unit is ionisable and the number of —OH groups directly attach to non-metal decides the basicity of oxy-acid.

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Question

Each oxy-acid contains at least one X—OH unit (X is non-metal). The H-atom of 
X—OH unit is ionisable and the number of —OH groups directly attach to non-metal
decides the basicity of oxy-acid.

Prashant Kotian · Accepted Answer

Correct answer: A. H2N2O2 (hyponitrous acid) exhibits tautomerism: HO-N=N-OH HO-NH-N=O

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