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Aragen Life Sciences R&D Chemist Interview Questions, Process, and Tips

Updated 23 Oct 2024

Top Aragen Life Sciences R&D Chemist Interview Questions and Answers

Aragen Life Sciences R&D Chemist Interview Experiences

3 interviews found

R&D Chemist Interview Questions & Answers

user image Anonymous

posted on 23 Oct 2024

Interview experience
4
Good
Difficulty level
Easy
Process Duration
Less than 2 weeks
Result
Not Selected

I applied via Referral and was interviewed in Sep 2024. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. Define Suzuki coupling reaction
  • Ans. 

    Suzuki coupling reaction is a cross-coupling reaction between an organoboron compound and an organic halide catalyzed by a palladium catalyst.

    • Involves the coupling of an organoboron compound with an organic halide

    • Catalyzed by a palladium catalyst

    • Forms a new carbon-carbon bond

    • Widely used in organic synthesis

    • Example: Coupling of phenylboronic acid with bromobenzene

  • Answered by AI
  • Q2. NMR chemical shift values
  • Ans. 

    NMR chemical shift values are unique for each type of atom in a molecule and are influenced by surrounding chemical environment.

    • Chemical shift values are measured in parts per million (ppm) relative to a standard reference compound.

    • Different types of atoms (e.g. hydrogen, carbon) have characteristic chemical shift ranges.

    • Chemical shift values can be influenced by factors such as neighboring atoms, functional groups, an

  • Answered by AI
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Recruitment Consulltant and was interviewed in Jun 2022. There were 3 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Aptitude Test 

My interview conducted on vertual mode

Round 3 - Technical 

(3 Questions)

  • Q1. Oxidation reduction base
  • Q2. Function group interconversion
  • Q3. Spectroscopy NMR IR most of q
  • Ans. 

    Spectroscopy techniques NMR and IR are commonly used in chemistry research and analysis.

    • NMR (nuclear magnetic resonance) spectroscopy is used to determine the structure and composition of molecules by analyzing their magnetic properties.

    • IR (infrared) spectroscopy is used to identify functional groups in molecules by analyzing their absorption of infrared radiation.

    • Both techniques are non-destructive and can be used to ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Besic study req. Only like name reaction oxidation reduction spectroscopy NMR IR
Function group interconvergen
Specific reagent role ....

R&D Chemist Interview Questions Asked at Other Companies

Q1. What is the use of alkali compounds in the production of dyes .
Q2. What types of reaction Handel in your current company? Phenol is ... read more
Q3. Which type of catalyst used for coupling reaction
Q4. How many types of dyes are in the dyes system.
Q5. What is chemistry ? What is spectroscopy?

R&D Chemist Interview Questions & Answers

user image Anonymous

posted on 23 Aug 2022

I applied via Walk-in and was interviewed in Jul 2022. There was 1 interview round.

Round 1 - Technical 

(2 Questions)

  • Q1. What is the role of died mitsnubu reaction?
  • Ans. 

    The Dieckmann condensation or Dieckmann cyclization is a chemical reaction used to form a cyclic molecule from a diester.

    • The reaction involves the formation of a cyclic molecule from a diester through intramolecular nucleophilic substitution.

    • It is named after German chemist Walter Dieckmann.

    • The reaction is commonly used in the synthesis of cyclic ketones and lactones.

    • The reaction can be catalyzed by both acids and base...

  • Answered by AI
  • Q2. What is Buchwald coupling
  • Ans. 

    Buchwald coupling is a palladium-catalyzed cross-coupling reaction used to form carbon-carbon bonds.

    • Buchwald coupling is a type of cross-coupling reaction in organic chemistry.

    • It involves the use of a palladium catalyst to form carbon-carbon bonds.

    • The reaction typically involves an aryl halide or pseudohalide and an organoboron compound as reactants.

    • Buchwald coupling is widely used in the synthesis of pharmaceuticals, ...

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - In question also how to improve yield in reaction

Interview questions from similar companies

I applied via Walk-in

Interview Questionnaire 

1 Question

  • Q1.  PG based Interview

Interview Preparation Tips

Interview preparation tips for other job seekers - Online interview on chemistry
Interview experience
5
Excellent
Difficulty level
Moderate
Process Duration
2-4 weeks
Result
Selected Selected

I applied via Walk-in and was interviewed in Aug 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. Which type of catalyst used for coupling reaction
  • Ans. 

    Various types of catalysts can be used for coupling reactions, including transition metal catalysts, organometallic catalysts, and biocatalysts.

    • Transition metal catalysts, such as palladium, nickel, and copper catalysts, are commonly used for coupling reactions.

    • Organometallic catalysts, such as Grubbs catalysts or Schrock catalysts, can also be employed in certain coupling reactions.

    • Biocatalysts, such as enzymes, can c...

  • Answered by AI
  • Q2. Conversion to cyano to amine, cyano to aldehyde, alcohol to amide, alkynes to aldehyde.

Interview Preparation Tips

Topics to prepare for Syngene International R&D Chemist interview:
  • Click chemistry
  • Azirine
  • Indolesynthesis
Interview preparation tips for other job seekers - Name reaction, which catalyst used for the fast coupling reaction, green chemistry topic.

R&D Chemist Interview Questions & Answers

Lupin user image Priyanka Ubale

posted on 20 May 2024

Interview experience
4
Good
Difficulty level
-
Process Duration
-
Result
-
Round 1 - HR 

(1 Question)

  • Q1. Tell me about yourself
Interview experience
4
Good
Difficulty level
Moderate
Process Duration
Less than 2 weeks
Result
Selected Selected

I applied via Referral and was interviewed in Nov 2022. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - One-on-one 

(2 Questions)

  • Q1. What is the grignard reagent and when to use
  • Ans. 

    Grignard reagent is an organometallic compound used in organic synthesis to form carbon-carbon bonds.

    • Grignard reagents are formed by reacting an alkyl or aryl halide with magnesium metal.

    • They are highly reactive and can be used to introduce a carbon chain into a molecule.

    • Grignard reagents are commonly used in the synthesis of alcohols, carboxylic acids, and ketones.

    • They can also be used for nucleophilic addition reacti...

  • Answered by AI
  • Q2. Tell about your project

Interview Preparation Tips

Interview preparation tips for other job seekers - Learn the all about chemistry and attend the interview

Interview Questionnaire 

1 Question

  • Q1. About practical knowledge

Interview Preparation Tips

Round: Test
Experience: MCQ based on basic knowledge

I applied via Referral and was interviewed before Jul 2020. There were 3 interview rounds.

Interview Questionnaire 

5 Questions

  • Q1. Firstly they asked about your introduction
  • Q2. Your previous experience background
  • Q3. Named reactions like coupling reaction conversion reactions
  • Q4. NMR values
  • Q5. Mechanism of reactions
  • Ans. 

    Mechanism of reactions refers to the step-by-step process by which a chemical reaction occurs.

    • Mechanism of reactions involves the breaking and forming of chemical bonds.

    • It includes the identification of intermediates and transition states.

    • Understanding the mechanism of a reaction can help predict the outcome of the reaction and optimize reaction conditions.

    • Examples include SN1 and SN2 reactions in organic chemistry and

  • Answered by AI

Interview Preparation Tips

Interview preparation tips for other job seekers - Prepare yourself better, my advice to all currently focused on named reactions their mecahnism like suzuki sonogashira Chan lam buckwald etc. Nmr values sometimes they asked about IR values

I applied via Referral and was interviewed before Sep 2021. There were 2 interview rounds.

Round 1 - Resume Shortlist 
Pro Tip by AmbitionBox:
Keep your resume crisp and to the point. A recruiter looks at your resume for an average of 6 seconds, make sure to leave the best impression.
View all tips
Round 2 - Technical 

(2 Questions)

  • Q1. Tell me about yourself
  • Q2. Questions from previous work experience.

Interview Preparation Tips

Interview preparation tips for other job seekers - Be through with your background and work experience mentioned in resume.

Aragen Life Sciences Interview FAQs

How many rounds are there in Aragen Life Sciences R&D Chemist interview?
Aragen Life Sciences interview process usually has 1-2 rounds. The most common rounds in the Aragen Life Sciences interview process are Technical, Resume Shortlist and Aptitude Test.
What are the top questions asked in Aragen Life Sciences R&D Chemist interview?

Some of the top questions asked at the Aragen Life Sciences R&D Chemist interview -

  1. What is the role of died mitsnubu reacti...read more
  2. What is Buchwald coupl...read more
  3. Spectroscopy NMR IR most o...read more

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Aragen Life Sciences R&D Chemist Interview Process

based on 4 interviews

Interview experience

3.8
  
Good
View more

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Aragen Life Sciences R&D Chemist Salary
based on 9 salaries
₹2.8 L/yr - ₹6.8 L/yr
23% more than the average R&D Chemist Salary in India
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based on 4 reviews

3.5/5

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4.9

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4.7

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4.8

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4.8

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