(a). Number of 'X' which can show geometrical isomerism. (b). Number of 'X' which can show optical isomerism.

(a). Number of 'X' which can show geometrical isomerism. (b). Numbe

1.	(a). Number of 'X' which can show geometrical isomerism. (b). Number of 'X' which can show optical isomerism.
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