Choose the correct option for following statements:
(I) \(CaC_{2}\) on hydrolysis produce acetylene
(II) \(Al_{4}C_{3}\) on hydrolysis produces propyne
(III) \(Al_{2}(CH_{3})_{6}\) has 3-centre,2-electron bond
(IV) \(AL_{4}C_{3}\) on hydrolysis produces methane.