কোন যৌগটি স্থানিক চেতনানাশক?

CHCl3CHCl3CHCl_3

C2H5ClC2H5ClC_2H_5Cl

CH3ICH3ICH_3I

COCl2COCl2COCl_2

Explanation:

Correct Answer is: C2H5ClC2H5ClC_2H_5Cl

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