22. O/N 2016/P11/Q39
Compound Q has the formula C4H10.
Which statement about compound Q is correct?
A It undergoes addition reactions with chlorine.
B It has a lower boiling point than methane.
C It has the same general formula as methane.
D There are four C–C bonds in the molecule.
Answer: C
Explaination
C4H10 is the formula of butane as it belongs to alkane family having same general formula as methane and other alkane molecules. In butane there is 3 C-C single bond. They undergo substitution reaction with Cl2 and Br2 because of C-C single bond, so there is no addition reaction like alkene. Their boiling point and melting point increases as they grows longer and heavier because of strong intermolecular forces.
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