How does Article 298 extend the executive power over trade, business and property acquisition?
Article 298 extends the executive power over trade, business and property acquisition by providing that the executive power of the Union and each State shall extend to the carrying on of any trade or business and to the acquisition, holding and disposal of property and the making of contracts for any purpose. However, it also specifies certain limitations in the form of legislative powers:

(a) The said executive power of the Union shall be subject in each State to legislation by the State, in so far as such trade or business or such purpose is not one with respect to which Parliament may make laws.

(b) The said executive power of each State shall be subject to legislation by Parliament, in so far as such trade or business or such purpose is not one with respect to which the State Legislature may make laws.