The most common reactions of benzene involve substitution of a proton by other groups. Electrophilic aromatic substitution is a general method of derivatizing benzene. Benzene is sufficiently nucleophilic that it undergoes substitution by acylium ions and alkyl carbocations to give substituted derivatives.ia hydrogenation, benzene and its derivatives convert to cyclohexane and derivatives. This reaction is achieved by the use of high pressures of hydrogen at high temperatures in the presence of a finely divided nickel, which serves as a catalyst. In the absence of the catalyst, benzene is impervious to hydrogen.
Long-term care insurance. Long-term care insurance (LTC or LTCI) is an insurance product, sold in the United States, United Kingdom and Canada, that helps pay for the cost of long-term care. Long-term care insurance covers care generally not covered by health insurance, Medicare, or Medicaid.
Long-term care can be provided formally or informally. Facilities that offer formal LTC services typically provide living accommodation for people who require on-site delivery of around-the-clock supervised care, including professional health services, personal care, and services such as meals, laundry and housekeeping.ong-term care can be provided at home, in the community, in assisted living facilities or in nursing homes. Long-term care may be needed by people of any age, although it is a more common need for senior citizens.