Question

acetic acid,carbonic acid,hydrochloric acid,nitric acid which one is odd one out

Answer 1

Hey there!

You have gave Four options...
Acetic acid, Carbonic acid, Hydrochloric acid, Nitric acid.

HYDROCLORIC ACID is tye odd one out,
Because,

Formula for:

★ ACETIC ACID- CH³COOH

★ CARBONIC ACID- H²CO³

★ HYDROCHLORIC ACID- HCl

★ NITRIC ACID- HNO³

Observe the above statement carefully..
You'll observe that HCl is the only Diatomic Hetro-Nuclear compound !!

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Answer 2

The odd one out in the list of acids given is Acetic acid.

  Acids are chemical substances which give $H^+$ ions in their solutions. They are well known for their sour taste and corrosive nature. On basis of the presence of C atom, they can be classified as organic and inorganic acids.

  Organic acids have C atoms like acetic acid whereas inorganic acids can also be called as mineral acids like nitric acid, hydrochloric acid etc.

Here Acetic acid is organic acid and rest of all is inorganic acid so it is odd one out.