10+ TCY Technologies Interview Questions and Answers

The Beckmann reaction is a chemical reaction that involves the conversion of an oxime into an amide.

• The reaction is typically carried out using acid catalysts, such as sulfuric acid or hydrochloric acid.

• The reaction proceeds through a rearrangement of the oxime to form an isocyanate intermediate, which then reacts with water to form the amide.

• The Beckmann reaction is commonly used in the synthesis of pharmaceuticals and other organic compounds.

• For example, the reaction can be...read more

The action of a drug refers to the specific biochemical interactions between the drug and the body that result in a physiological response.

• Drugs can act by binding to specific receptors on cells, altering enzyme activity, or affecting ion channels.

• Examples include beta blockers binding to beta-adrenergic receptors to reduce heart rate, statins inhibiting HMG-CoA reductase to lower cholesterol levels, and opioids binding to opioid receptors to reduce pain perception.

Pinacol-pinacolon reaction is a type of organic reaction that involves the conversion of a pinacol to a pinacolone.

• In this reaction, a carbon-carbon bond is broken and a new carbonyl group is formed.

• The reaction is catalyzed by an acid catalyst such as sulfuric acid or hydrochloric acid.

• The reaction mechanism involves the formation of a carbocation intermediate.

• The pinacol-pinacolon reaction is an important reaction in organic chemistry and is used in the synthesis of various...read more

Dissolution time for enteric coated tablet is the time it takes for the tablet to break down and release its contents in the intestines.

• Enteric coated tablets are designed to resist the acidic environment of the stomach and dissolve in the alkaline environment of the intestines.

• Factors affecting dissolution time include pH of the environment, coating thickness, and composition of the tablet.

• Dissolution time can be measured using dissolution testing equipment.

• Example: Enteric ...read more

A weak acid is an acid that only partially dissociates in water, resulting in a lower concentration of hydrogen ions.

• Weak acids have a pH value greater than 3.5

• They have a lower degree of ionization compared to strong acids

• Examples of weak acids include acetic acid (vinegar), citric acid (lemons), and carbonic acid (soda)

Oxidation reaction is a chemical reaction that involves the loss of electrons by a substance.

• It is a process in which a substance combines with oxygen or loses hydrogen.

• It results in an increase in the oxidation state of the substance.

• Examples include rusting of iron, combustion of fuels, and metabolism of food in the body.

• It is the opposite of reduction reaction.

• It is important in various fields such as chemistry, biology, and industry.

The number of tablets in solid form depends on the specific medication and dosage prescribed.

• The number of tablets can vary based on the strength of the medication and the frequency of dosing.

• For example, a prescription may require taking 1 tablet twice a day, totaling 2 tablets daily.

• It is important to follow the instructions provided by the healthcare provider or pharmacist.

• The number of tablets may also be influenced by the duration of treatment.

A strong acid is a chemical compound that completely dissociates in water to produce hydrogen ions.

• Strong acids have a pH less than 3

• They are highly reactive and corrosive

• Examples include hydrochloric acid, sulfuric acid, and nitric acid

Tablet coating disintegration time is the time taken for the coating of a tablet to break down in a specific medium.

• Tablet coating disintegration time is an important parameter in pharmaceutical formulation development.

• It can be influenced by factors such as coating thickness, composition, and method of application.

• Different coating materials may have different disintegration times.

• The disintegration time can be measured using various methods such as disintegration testers or...read more