Chemistry

Study the reaction represented by the equation: Alkanol + Alkanoic acid conc. H2SO4 Alkanoate + water. The type of process involved in the reverse reaction is

A. Neutralization B. dehydration C. hydrolysis D. decomposition E. hydrogenation Correct Answer: Option C - hydrolysis

5 years ago

Which of the following is likely to have the highest degree of hardness?

A. Carbonated water B. Distilled water C. Acidified water D. Rain water E. Lime water Correct Answer: Option A -…

5 years ago

Which of the following is not a halogen?

A. Silicon B. Fluorine C. Astatine D. Bromine E. lodine Correct Answer: Option A - Silicon

5 years ago

The gaseous product formed when ammonia is passed over heated copper (ll) oxide is?

A. oxygen B. nitrogen C. hydrogen D. nitrogen (l) oxide E. nitrogen (ll) oxide Correct Answer: Option B - nitrogen

5 years ago

Sodium chloride is used in the following processes except in the?

A. treatment of polluted water B. preservation of food C. separation of soap from glycerol D. manufacture of chlorine E.…

5 years ago

Alkanols have unexpectedly high boiling points relative to their molar masses because of intermolecular?

A. hydrogen bonding B. metallic bonding C. covalent bonding D. ionic bonding E. van der Waals' forces Correct Answer: Option…

5 years ago

What is the molar of hydrogen sulphide gas in the reaction H2SO4(aq) + 3H2S(g) → 4S(s) + 4H2O (l) n represented by the following equation?

A. Reducing agent B. A bleaching agent C. A dehydrating agent D. A sulphonating agent E. An oxidizing agent Correct…

5 years ago

The positive of an element in the Periodic Table is determined by?

A. its density B. its atomic radius C. its relative atomic mass D. the number of protons in its atom…

5 years ago

From the equation below what mass of hydrogen would be produced if 12.0 g of magnesium reacted completely with dilute hydrochloric acid? (H = 1, Mg = 24)

Mg2 + 2HCI(aq) → MgCI2(g) + H2(g)   A. 1.0g B. 2.0g C. 6.0g D. 12.0g E. 24.0g Correct Answer:…

5 years ago

When water is dropped on calcium carbide, the gaseous product is an?

A. alkane B. alkene C. alkyne D. alkanol E. alkanal Correct Answer: Option C - alkyne

5 years ago