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Which one of the following statements is correct?

(i) Cyclohexane is a saturated cyclic hydro- carbon.

(ii) The general formula of alkyne\[{{C}_{n}}{{H}_{2n-1}}\].

(iii) The common name of ethane is acetylene.

(iv) Ethane is an unsaturated hydrocarbon.

(v) The common name of ethane is propylene.

A) (i) and (ii)                      

B) (ii),(iii) and (v)

C) (i), (iii) and (iv)  

D) (ii) and (iv)

E) None of these