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I applied via Walk-in and was interviewed in Feb 2022. There were 2 interview rounds.
Basic question related to the organic chemistry
Pinacol pinacolone rearrangement is a reaction in which a pinacol rearranges to form a ketone.
Involves the rearrangement of a 1,2-diol to a ketone
Requires an acidic catalyst such as sulfuric acid
Named after the starting material (pinacol) and the product (pinacolone)
Used in organic synthesis to form complex molecules
I was interviewed in Apr 2023.
Aptitude test is for 50 marks and based on chemistry subject includes oxidation, reduction, named reaction, coupling reactions, heterocyclic chemistry, medicinal chemistry, spectroscopy (IR,1H-NMR,Mass spectrometry), sterio chemistry
I applied via Approached by Company and was interviewed in May 2022. There were 2 interview rounds.
Jubilant Biosys interview questions for designations
I applied via Referral and was interviewed in Jun 2021. There was 1 interview round.
I worked on a project in college that focused on analyzing the impact of climate change on local biodiversity.
Collected data on species distribution and abundance in different habitats
Analyzed the data using statistical models to identify patterns and trends
Assessed the potential effects of climate change on species composition and ecosystem dynamics
Presented findings at a research symposium and published a paper in a
I applied via Referral and was interviewed before Jan 2021. There was 1 interview round.
Grignard reaction
Named after French chemist Victor Grignard
Involves the reaction of an organomagnesium compound with a carbonyl compound
Forms a new carbon-carbon bond
Used in the synthesis of various organic compounds
Example: Grignard reaction between phenylmagnesium bromide and formaldehyde to form benzoic acid
The density difference between ethyl acetate, water, and DCM varies due to their different molecular weights and intermolecular forces.
Ethyl acetate has a lower density than water and DCM due to its lower molecular weight.
DCM has a higher density than water and ethyl acetate due to its higher molecular weight.
The intermolecular forces between the molecules also affect the density difference.
For example, hydrogen bondin...
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Indicators are substances that change color in response to changes in pH levels, helping to determine the acidity or alkalinity of a solution.
Indicators are typically weak acids or bases that dissociate in water and change color based on the concentration of H+ ions.
Common indicators include phenolphthalein, litmus, and bromothymol blue.
The color change of an indicator is due to a shift in the equilibrium between the a...
I applied via Referral and was interviewed before Feb 2023. There was 1 interview round.
posted on 2 Nov 2021
I applied via Referral and was interviewed in Oct 2021. There was 1 interview round.
posted on 29 Jan 2022
I applied via Company Website
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