The unbranched ( straight chain) alkane...

The unbranched ( straight chain) alkanes possess

`2^(@) and 3^(@)C's`

`1^(@) and 2^(@) C's`

`1^(@) and 3^(@)C's`

`3^(@) and 4^(@)C's`

Text Solution

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The correct Answer is:

In unbranched alkanes, each `C` atom within the chain is bonded to no more than two other `C` atoms and thus, unbranched alkanes contain only primary and secondary `C` atoms.

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Assertion :butane and 2-methylbutane are homologues Reason: butane is a straight chain alkane while 2-methylbutane is branched chain alkane.

If both assertion and reason are correct and reason is crect explanation for assertion

If both assertion and reason are correct but reason is not cottect explanation for assertion

If reason is correct but assertion is incorrect

If both assertion and reason are incorrect

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.

If both assertion and reason are true and the reason is the correct explanation of the assertion.

If both the assertion and reason are true but the reason is not the correct explanation of assertion.

If the assertion is true but reason is false.

If assertion is false but reason is true.

Assertion: Butane and 2-methylbutane are homologues. Reason: Butane is a straight chain alkane while while 2-methylbutane is a branched chain alkane.

If both assertion and Reason are true, and reason is the true explanation of the assertion.

If both assertion and reason are true, but reason is not the true explanation of the assertion.

If assertion is true, but reason is false

If both assertion and reason are false