Find the odd one out:
C2H2, C3H8, C2H6, CH4
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The odd one is C2H2 (ethyne).
- There are four organic chemical compounds mentioned in the question -
- C2H2
- C3H8
- C2H6
- CH4
- Now, C3H8, C2H6 and CH4 are alkane compounds with the general formula of C(n)H(2n+2).
- Only, the C2H2 is the alkyne compound here, with the general formula of C(n)H(2n-2). The common name of C2H2 is ethyne. (yne for alkyne)
- For this reason, the C2H2 is the odd term among the given chemical compounds.
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