Question

Copy and complete the following paragraph using the options given in brackets:

Alkenes are a homologous series of (i) ______ (saturated/unsaturated) hydrocarbons characterised by the general formula (ii) ______ (C_nH_2n+2/C_nH_2n). Alkenes undergo (iii) ______ (addition/substitution) reactions and also undergo (iv) ______ (hydrogenation/dehydrogenation) to form alkanes.

Answer 1

Alkenes are a homologous series of unsaturated hydrocarbons characterised by the general formula C_nH_2n. Alkenes undergo addition reactions and also undergo hydrogenation to form alkanes.