Which of the following is (are) isolable?

1.	Which of the following is (are) isolable?
Answer» Solution :A) No. A three and a six-membered ring cannot be FUSED trans. The trans bonds on the potential BRIDGE head C's are too far apart to be bridged by a SINGLE carbon bridge B) yes, large can be fused trans C)No. cannot be fused trans D) yes. Sprinanes are kinown for any size ring if they are ABLE to be at right angle.

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