NTSE Stage 2 SAT 2014 Question Paper

A hydrocarbon has a molecular formula as ${\mathrm{C}}_6{\mathrm{H}}_{12}$.. It does not react with hydrogen to give ${\mathrm{C}}_6{\mathrm{H}}_{14}$ nor does it react with chlorine to give ${\mathrm{C}}_6{\mathrm{H}}_{12}\mathrm{C}{\mathrm{l}}_2$.The hydrocarbon ${\mathrm{C}}_6{\mathrm{H}}_{12}$ is
(a) A saturated hydrocarbon
(b) An unsaturated hydrocarbon
(c) An open chain hydrocarbon
(d) a cyclo-alkane