Assertion : Butane and 2-methyl butane are chain isomers. Reason : Butane is a straight chain alkane while 2-methyl butane is a branched chain alkane.

Assertion : Butane and 2-methyl butane are chain isomers. Reason : Bu

1.	Assertion : Butane and 2-methyl butane are chain isomers. Reason : Butane is a straight chain alkane while 2-methyl butane is a branched chain alkane.
Answer» If both ASSERTION and reason are correct and REASONIS crect EXPLANATION for assertion If both assertion and reason are correct but reasonis not cottect explanation for assertion If reason is correct but assertion is incorrect If both assertion and reason are incorrect Answer :B