The chemical reactivity of benzene contrasts with that of the alkenes in that substitution reactions occur in preference to addition reactions, as illustrated in the following diagram (some comparable reactions of cyclohexene are shown in the green box).. A two-step mechanism has been proposed for these electrophilic substitution reactions. In the first, slow or rate-determining, step the electrophile forms a sigma-bond to the benzene ring, generating a positively charged benzenonium intermediate.
Ltd. is the abbreviation for limited. The term is designed to advise that the shareholders or owners of this type of enterprise is limited. Specifically, the shareholders or owners have limited responsibility for the debts and obligations of the business enterprise, according to InvestorWords.com.arning. Merely adding ltd. to the end of a business's name does not, in and of itself, limit liability. Rather, the company must appropriately be established in the first place, complying with the organizational laws of the jurisdiction where created.
Meaning of Inc. (abbreviation, acronym) incorporated legally established as a corporation LLC means Limited Liability Company Meaning of Ltd. (abbreviation, acronym) Limited (Ld., ld) firm, company that is organized in such a way as to give its owners limited liability What is the difference between ltd and pvt ltd?nc. means Corporation or Incorporated LLC means Limited Liability Company Pvt. Ltd. means Private Limited company and it is not always recognized in all states. Source(s): http://www.incorporatefast.com.