Answer :
The nitrogen is bonded to three CH3 groups and has a lone pair, so the hybridisation is sp3.
Answer :
Two positional isomer A and B & two Stereoisomer of each so, total 4 isomers.
Chemical Interview QuestionsAnswer :
Nvidia geforce 5500 driver download. cyclotetrane, because of the double bonds are not conjugation
Answer :
Number of Sigma bonds present in Benzene are same as Borazine (inorganic Benzene).
no. of sigma bonds in Benzene= 12 (C6H6)
no. of sigma bonds in Borazine= 12 (B3N3H6)Answer :
Kekule
BioChemistry Interview Questions Answer :
Rotenone, Azadirachtin are natural insecticides, synthetic routes are deveoped recently.
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DDT, Gammaxene were used but were scraped out as they pose health hazards and are insects are able sustain the max. dosages every year. Generally, Semio-chemicals, a class of compounds found in insects themselves are being studied and used as effective insecticides and warfare agents.
Answer :
- Monounsaturated fat: This is a type of fat found in a variety of foods and oils.
- Polyunsaturated fat: This is a type of fat found in plant-based foods and oils.They can be divided into two groups known as omega-3 fats and omega-6 fats.
- Omega-3 fatty acids: One type of polyunsaturated fat made up of mainly omega-3 fatty acids and may be beneficial to heart.
- Omega-6 fats decrease risk of heart disease when they are consumed in place of saturated and trans fats.
Analytical Chemistry Interview Questions Answer :
IN coordinate covalent bond electrons which are shared by both the atoms are comtributed by only one atom . This is otherwise known as dative bond.
In covalent bond the electrons shared by both the atoms are contributed by both the atoms equally.
Answer :
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when alcohols reats with aminoacids esters are formed. The esters are volatile in contrast to free aminoacids.
R-CH-COOH + H2O-C2H5 -> R-CH-COO-C2H5 + H2O
NH2 NH2 Quality Control Chemist Interview Questions Answer :
Ligases are the group of enzymes that catalyse the transfer of a group from one kind of molecule to another. These are also called transferases.
Answer :
its the structure of amino acid glacine
Chemical Engineering Interview Questions Answer :
temperature, pH, structure of compound i.e., whether the compd is straight chain or branched & molecular weight of compd.
Chemical Interview QuestionsAnswer :
Geometrical isomerism is an example of stereo-isomerism.
This occurs when substances have the same molecular formula, but a different arrangment of their atoms in space. There are three ways that this can happen:
where there is a C=C bond in the molecule;
where a molecule has rings; or
where there is a >C=N bond.Answer :
Proteins are precipitated from aqueous solution by high concentrations of neutral salts. This is the'salting -out' process.
Divalent and trivalent ions are more effective than univalent ions.
The salts commonly used for this purpose are NA2SO4,(NH4) 2SO4 Magnesium salts, and phosphates.
Answer :
When fats are hydrolysed with alkhali,the free fatty acids react with alkali to form metallic acids.these salts are soaps and this process is called saponification.
Polymer Chemistry Interview Questions Answer :
The quantitative measure of the affinity of a compound to lose or gain electrons is the redox potential.
Answer :
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Lithipone is a white pigment.it is amixture of BaSO4&ZnS.
Chemistry Interview Questions Answer :
Anti aromatic compounds follows 4npi electron rule and are cyclic compounds, planar, where as non aromatic are non planar or planar, cyclic or acyclic.
BioChemistry Interview Questions Answer :
- uv lamp range is 200 nm to 340 nm.
- vis lamp range is 320 nm to 1100 nm.
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Answer :
If benzene and toluene mixed the boiling point will be ~ 90oC. Density will not change.
Chemical reaction Interview Questions Answer :
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.
Answer :
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.
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high molecular weight easily we can seperate koH
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PVC-POLYVINYL CHLORIDE AND uPVC IS THE Unplasticized polyvinyl chloride IT IS USED FOR building industry as a low-maintenance material.
Analytical Chemistry Interview Questions Answer :
Organic Chemistry is a branch of Science, which deals study about carbon compounds except Carbon monoxide, Carbon di oxide and corbonates.
Answer :
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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-
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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.
Quality Control Chemist Interview Questions Answer :
from directly reaction of toluene to cromyl chloride (CrO2Cl2) at room temp. to form benzaldehyde.
Answer :
Take 100ml water and pore 10gr NaOH pellets sterr with gently boil. NaOH sol ready.
Answer :
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 Fluoresce in test depended on Light passes & usually in UV light
Download PDF. Add New Question. Organic Chemistry frequently Asked Questions by expert members with experience in Organic Chemistry. So get preparation for the Organic Chemistry job interview. 15 Organic Chemistry Questions and Answers: 1:: HOW WE CAN DIFFERENTIATE BETWEEN OXALIC ACID AND TARTARIC ACID?
Advanced Organic Chemistry Questions And Answers Pdf
- The List of 50 important Chemistry Questions and Answers is given here for download in PDF. Candidates those who are preparing for SSC CGL and all other competitive exams can use these questions.
- Questions may test more than one field of chemistry. Some test takers may associate a particular question with one field, whereas other test takers may have encountered the same material in a different field. For example, the knowledge necessary to answer some questions classified as testing organic chemistry.
- Organic Chemistry Questions The Covalent Bond 1. The hybridization of the central carbon in CH3C≡N and the bond angle CCN are a. Which of the following statements about an sp hybridized carbon is FALSE?
- Organic Chemistry 32-235 Practice Questions for Exam #2 Part 1: (Circle only ONE choice, circling more than one will be counted as wrong!) 4 points each 1.