60+ Research Associate Interview Questions and Answers for Freshers

Aldol condensation, Michael addition, Wittig reaction, Grignard reaction are some name reactions to form new c-c bond without metal catalyst.

• Aldol condensation involves the reaction of an enolate ion with an aldehyde or ketone to form a β-hydroxy carbonyl compound.

• Michael addition involves the addition of a nucleophile to an α,β-unsaturated carbonyl compound.

• Wittig reaction involves the reaction of a phosphorus ylide with an aldehyde or ketone to form an alkene.

• Grignard react...read more

To separate acid from an acid-base mixture in liquid state, we can use various methods such as solvent extraction, distillation, or ion exchange.

• Solvent extraction involves adding a solvent that selectively dissolves the acid, then separating the two layers.

• Distillation involves heating the mixture to vaporize the acid, then condensing it back into a separate container.

• Ion exchange involves passing the mixture through a resin that selectively binds to the acid, then eluting t...read more

The desired product of bromination on aniline is 2,4,6-tribromoaniline. The desired product of bromination on toluene is bromotoluene.

• Bromination on aniline results in the substitution of three bromine atoms on the aromatic ring, yielding 2,4,6-tribromoaniline.

• Bromination on toluene results in the substitution of one bromine atom on the aromatic ring, yielding bromotoluene.

Sustainalytics provides ESG research, ratings, and analytics to help investors integrate sustainability into their decision-making.

• Offers ESG ratings that assess companies' environmental, social, and governance performance.

• Provides research reports that analyze sustainability risks and opportunities in various sectors.

• Helps investors identify and manage ESG risks in their portfolios, enhancing long-term value.

• Collaborates with organizations to develop sustainable investment s...read more

The Grignard reaction on an aldehyde will produce a secondary alcohol.

• The Grignard reaction involves the addition of a Grignard reagent (organomagnesium compound) to an aldehyde or ketone.

• The reaction proceeds through the formation of a carbon-carbon bond.

• In the case of an aldehyde, the product will be a secondary alcohol.

• For example, the reaction of formaldehyde (HCHO) with a Grignard reagent such as methylmagnesium bromide (CH3MgBr) will yield isopropyl alcohol (CH3CH(OH)CH...read more

Various company sources are used to give ESG risk ratings.

• Company reports and disclosures

• Third-party data providers

• News articles and media coverage

• Industry benchmarks and standards

• Stakeholder engagement and surveys

Sustainable finance refers to financial activities that promote sustainable economic growth while minimizing negative environmental and social impacts.

• Sustainable finance involves investing in companies that prioritize environmental and social responsibility.

• It also includes financing projects that promote sustainability, such as renewable energy and green infrastructure.

• Sustainable finance aims to balance economic growth with social and environmental responsibility.

• Examples ...read more

Pd coupling reactions involve the cross-coupling of two different carbon atoms using palladium as a catalyst.

• Pd coupling reactions are widely used in organic synthesis to form carbon-carbon bonds.

• Examples include Suzuki coupling, Sonogashira coupling, Heck reaction, and Stille coupling.

• These reactions typically involve a palladium catalyst, a base, and appropriate coupling partners.

• Suzuki coupling involves the reaction of an aryl halide with an organoboron compound.

• Sonogashir...read more

Reaction conditions for chemical transformations

• Reaction temperature

• Reaction time

• Catalyst used

• Solvent used

• Concentration of reactants

• pH of reaction mixture

• Pressure

• Stirring rate

• Light exposure

• Oxidizing or reducing agents used

To analyze daily sales of MC Spicy at McDonald's, I would use sales data, customer surveys, and market trends.

• Collect historical sales data for MC Spicy from McDonald's sales records.

• Conduct customer surveys to gauge popularity and frequency of purchase.

• Analyze foot traffic and sales patterns during peak hours.

• Use market research to understand regional preferences and competition.

• Implement a point-of-sale system to track daily sales in real-time.

The biaryl product can be synthesized through a variety of methods.

• One common method is the Suzuki-Miyaura cross-coupling reaction.

• Another method is the Buchwald-Hartwig amination reaction.

• Transition metal-catalyzed C-H activation can also be used.

• Examples of biaryl products include biphenyl and terphenyl.

Mass spectra of bromo chloro containing compound

• Bromo chloro compounds can have multiple isomers with different mass spectra

• The presence of bromine and chlorine atoms can cause fragmentation in the mass spectrum

• The mass spectrum can be used to determine the molecular weight and structural information of the compound

Two liquid solvents can be separated using various methods such as distillation, extraction, and chromatography.

• Distillation involves heating the mixture to vaporize the solvent with the lower boiling point and then condensing it back into a liquid.

• Extraction involves using a solvent that selectively dissolves one of the solvents, allowing it to be separated from the mixture.

• Chromatography separates the solvents based on their different affinities for a stationary phase and a...read more

To analyze a company in India for opening, one must consider market research, competition analysis, legal requirements, and financial feasibility.

• Conduct market research to understand the demand for the product/service in India

• Analyze the competition to identify strengths, weaknesses, opportunities, and threats

• Understand the legal requirements for setting up a company in India, including registration, licenses, and regulations

• Assess the financial feasibility by creating a det...read more

E-learning has benefits like flexibility, but plagiarism is a concern. Writing methods like paraphrasing and citation can help.

• E-learning allows for flexibility in learning schedules and locations

• E-learning can be cost-effective compared to traditional classroom learning

• Plagiarism is a concern in e-learning due to the ease of copying and pasting information

• To avoid plagiarism, one can use methods like paraphrasing and citing sources properly

• Paraphrasing involves restating inf...read more

Suzuki reaction acid amine coupling is a chemical reaction used to synthesize biaryl compounds.

• It involves the coupling of an aryl halide with an amine in the presence of a palladium catalyst and a base.

• The reaction can be used to synthesize a variety of biaryl compounds, which have applications in materials science and pharmaceuticals.

• The reaction is named after its discoverer, Japanese chemist Akira Suzuki.

• Example: Coupling of phenylboronic acid with aniline to form bipheny...read more

Diastereomers and enantiomers are types of stereoisomers that differ in their spatial arrangement.

• Diastereomers are stereoisomers that have different configurations at one or more chiral centers but are not mirror images of each other.

• Enantiomers are stereoisomers that are non-superimposable mirror images of each other.

• Diastereomers have different physical and chemical properties, while enantiomers have identical physical properties but may differ in their biological activity...read more

Employee dismissal and employee discharge are two different terms used to describe the termination of an employee's contract.

• Employee dismissal is when an employee is fired due to poor performance or misconduct.

• Employee discharge is when an employee is let go due to reasons beyond their control, such as company downsizing or restructuring.

• Dismissal is usually a result of the employee's actions, while discharge is usually a result of the company's actions.

• Dismissal is often im...read more

Neurotoxin can cause a range of symptoms in mice including tremors, seizures, paralysis, and respiratory distress.

• Tremors and convulsions

• Paralysis

• Respiratory distress

• Decreased activity and appetite

• Loss of coordination

• Death

• Symptoms may vary depending on the type and dose of neurotoxin

The question covers various topics in organic chemistry including named reactions, NMR spectroscopy, and general concepts.

• Named reactions are specific organic reactions that have been given a name to make them easier to remember and discuss. Examples include the Grignard reaction and the Diels-Alder reaction.

• NMR spectroscopy is a technique used to determine the structure of organic molecules by analyzing their nuclear magnetic resonance. It can provide information about the n...read more

I will research recent property sales in the area, consult real estate websites, and speak with local real estate agents.

• Research recent property sales in the area

• Consult real estate websites for current listings and prices

• Speak with local real estate agents for market insights

• Consider factors such as location, size, and condition of properties in the area

• Compare prices with similar properties in neighboring areas

The proton NMR peak of methyl aldehyde appears as a singlet at around 9-10 ppm.

• The proton NMR spectrum of methyl aldehyde shows a singlet peak.

• The chemical shift of the peak is typically around 9-10 ppm.

• The singlet peak indicates that the methyl aldehyde molecule has no neighboring protons.

Cash is subtracted in enterprise value calculations as it reduces the net cost of acquiring a company.

• Enterprise value (EV) represents the total value of a business, including debt and excluding cash.

• Cash is considered a non-operating asset; it can be used to pay down debt or fund operations.

• Subtracting cash provides a clearer picture of the company's value as an acquisition target.

• For example, if a company has an EV of $1 billion and $200 million in cash, the effective cost ...read more

The validation process ensures that a system meets specified requirements and functions correctly in its intended environment.

• Validation confirms that the product meets user needs and intended uses.

• It involves testing and evaluation against predefined criteria.

• For example, in software, validation may include user acceptance testing (UAT).

• In pharmaceuticals, validation ensures that drugs are effective and safe for use.

• The process typically includes documentation, testing, and ...read more

Bases are substances that can accept protons or donate pairs of electrons in chemical reactions.

• Common bases include sodium hydroxide (NaOH), potassium hydroxide (KOH), and ammonia (NH3)

• Bases are used in various applications such as in household cleaning products, agriculture, and pharmaceuticals

• They are also used in laboratories for titrations and in the manufacturing of soaps and detergents

Porter's Five Forces is a framework for analyzing the competitive forces in an industry.

• Threat of new entrants

• Bargaining power of suppliers

• Bargaining power of buyers

• Threat of substitute products or services

• Rivalry among existing competitors

• Example: The airline industry

• - Threat of new entrants: High capital requirements and government regulations make it difficult for new airlines to enter the market.

• - Bargaining power of suppliers: Aircraft manufacturers have significant barg...read more

Leverage ratios measure a company's debt levels relative to its equity or assets, indicating financial risk and capital structure.

• Debt-to-Equity Ratio: Total debt divided by total equity. Example: If total debt is $200,000 and equity is $300,000, the ratio is 0.67.

• Debt Ratio: Total debt divided by total assets. Example: If total debt is $200,000 and total assets are $500,000, the ratio is 0.4.

• Equity Ratio: Total equity divided by total assets. Example: If total equity is $300...read more