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Which of the following triatomic molecules does not exist?

$\begin{array}{1 1}CO_2\\CS_2\\CSe_2\\CTe_2\end{array} $

1 Answer

Answer : $CTe_2$
The tendency of the elements of Group 16 to form multiple bonds to C,N and O decreases down the group.$CO_2$ is very stable,$CS_2$ is moderately stable,$CSe_2$ decomposes readily and $CTe_2$ does not exist.
answered Jul 23, 2014 by sreemathi.v