Chemistry

Which of the following pH values is likely to be that of a slightly alkaline solution?

A. 2 B. 5 C. 7 D. 8 E. 13 Correct Answer: Option D - 8

5 years ago

Which of the following statements is not correct? The 4s orbital

A. is defined by the quantum number 1 = O B. is of higher energy than the 3d orbital C.…

5 years ago

Which of the following statement is not correct about esterification?

A. It is a slow reaction B. the process is reversible C. it is similar to hydrolysis D. it is…

5 years ago

If a reaction is said to be exothermic, which of the following statements is a correct deduction from the information?

A. the reaction vessel gets hotter as the reaction proceeds B. ∆H for the reaction is positive C. the rate…

5 years ago

Vulcanization of rubber?

A. stops the growth of fungus on the rubber B. increases the solubility of the rubber C. decreases the elasticity…

5 years ago

The energy required to remove the most loosely bound electron from an atom in the gaseous state is known as the?

A. bond energy B. ionization energy C. potential energy D. activation energy E. kinetic energy Correct Answer: Option B -…

5 years ago

Which of the following compounds is not correct about the reaction of sodium material for the manufacture of plastics?

A. Ethyne B. Ethane C. Monochloroethene D. Propene E. Butadiene Correct Answer: Option B - Ethane

5 years ago

The formula (CH3)3 COH is that of a?

A. polyhdric alkanol B. secondary alkanol C. tertiary alkanol D. primary alkanol E. trihydric alkanol Correct Answer: Option C -…

5 years ago

When sucrose is warmed with Fehling’s solution?

A. a silver mirror is produced B. the solution turns milky C. a brick-red precipitate is formed D. there is…

5 years ago