Organic Chemistry Interview Preparation Guide
Download PDF

Organic Chemistry frequently Asked Questions by expert members with experience in Organic Chemistry. So get preparation for the Organic Chemistry job interview

14 Organic Chemistry Questions and Answers:

1 :: HOW WE CAN DIFFERENTIATE BETWEEN OXALIC ACID AND TARTARIC ACID?

By Fluorescein test ...
where tartaric acid " used in baking powder and found
in many food products

oxalic acid : harmful in contact with skin or eyes
toxic .remove Ca ions From blood and also block Kidneys

Fluorescein test depended on Light passes & usually in UV light

2 :: How to make a 100ml solution with given 10gm of naoh?

Take 100ml water and pore 10gr NaOH
pellets sterr with gently boil. NaOH sol ready

3 :: How to synthsis toluene to benzaldehyde?

from directly reaction of toluene to cromyl chloride (CrO2Cl2)
at room temp. to form benzaldehyde.

4 :: What is the difference between an ion and a radical?

An ion is a specie that have no unpaired electron and is charged, either positively or negatively i.e. may be a cation or an anion. It is formed due to heterolysis of a molecule e.g HCl----> H+ + Cl-
A radical is a neutral specie having atleast one unpaired electron and is formed due to homolysis of a molecule e.g
H-H -------> H* + H*
The * shows an unpaired electron. Similarly CH3* is a radical.

6 :: What Mean By Organic Chemistry?

Organic Chemistry is a branch of Science, which deals study
about carbon compounds except Carbon monoxide, Carbon di
oxide and corbonates.

7 :: What is the difference between PVC and uPVC plastic?

PVC-POLYVINYL CHLORIDE AND uPVC IS THE Unplasticized
polyvinyl chloride IT IS USED FOR building industry as a
low-maintenance material.

9 :: What is the difference between sulphated ash and ROI?

THERE NO DIFFERENCE BETWEEN PROCEDURE,BOTH ARE SAME.WE GENERALLY TERM IT AS SULPHATED ASH TEST/ROI.IN INDIAN PHARMACOEPIA,CALLED IT AS ROI AND IN USP,CALLED IT AS SULPHATED ASH TESH.BOTH ARE USED FOR THE DETERMINATION OF CONTENT OF INORGANIC MATTER IN AN ORGANIC SUBSTANCE.

10 :: Benzoic acid is a weaker than para nitro benzoic acid?

in p-nitrobenzoic acid due to -I effect of nitro group hydrogen present in acia become more elecronegative and easily remove as proton and act like strong acid