None Scientist In the laboratory All The first Organic Compounds Ready Do ?

by

1 Answer

Answer :

German Scientist Uhlar 3
by

Related questions

Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and clinical trials. c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug. d) The first compound of a structural class of compounds to reach the market.

Description : Which of the following statements best describes a lead compound? a) A compound that contains the element lead b) A compound from the research laboratory that is chosen to go forward for preclinical and ... of a drug. d) The first compound of a structural class of compounds to reach the market.

Last Answer : c) A molecule that shows some activity or property of interest and serves as the starting point for the development of a drug.

The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Description : The first organic compound synthesized in the laboratory was - (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Last Answer : (1) Urea Explanation: In 1828, German chemist Friedrish Wohler synthesized first organic compound, urea in the laboratory by heating ammonium cyanate (an inorganic compound).

In 1953 S L Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre existing non living organic molecules.

Description : 6. In 1953 S L Miller created primitive earth conditions in the laboratory and gave experimental evidence for origin of first form of life from pre existing non living organic molecules. The ... -reducing atmosphere. d) High temperature, volcanic storms, reducing atmosphere and contains NH3 and CH4

Last Answer : d) High temperature, volcanic storms, reducing atmosphere and contains NH3 and CH4

The first organic compound synthesised in the laboratory was (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Description : The first organic compound synthesised in the laboratory was (1) Urea (2) Uric acid (3) Lactic acid (4) Glucose

Last Answer : Urea

Which scientist prepares organic compound urea by heating inorganic compound ammonium cyanate ?

Description : Which scientist prepares organic compound urea by heating inorganic compound ammonium cyanate ?

Last Answer : Friedrich Voller.

What is the name of the first organic compound prepared from inorganic compounds ?

Description : What is the name of the first organic compound prepared from inorganic compounds ?

Last Answer : The first organic compound made from inorganic compound is called urea.

The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

Description : The complex organic compounds that may have first evolved in the direction of origin of life on earth, may have been

Last Answer : The complex organic compounds that may have first evolved in the direction of origin of life on ... Proteins, nucleic-acid D. Protein, amino-acid

During prolonged fastings, in what sequence are the following organic compounds used up by the body ? (a) First carbohydrates, next fats and lastly proteins (b) First fats, next carbohydrates and lastly proteins (c) First carbohydrates, next proteins and lastly lipids (d) First proteins, next lipids and lastly carbohydrates

Description : During prolonged fastings, in what sequence are the following organic compounds used up by the body ? (a) First carbohydrates, next fats and lastly proteins (b) First fats, next ... carbohydrates, next proteins and lastly lipids (d) First proteins, next lipids and lastly carbohydrates

Last Answer : (a) First carbohydrates, next fats and lastly proteins

How do I know what physical states I should use for different organic compounds?

Description : How do I know what physical states I should use for different organic compounds?

Last Answer : answer:look in the textbook at the states in which the compounds are labelled in example reactions. They are extremely unlikely to be different in an exam. If they are, it will be a A* mark ... will just be mostly intuitive but then, most people never get a feel for organic chemistry hahahah.

What is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds? -Chemistry

Description : What is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds? -Chemistry

Last Answer : —CH2— is the difference in the molecular formula of any two consecutive members of a homologous series of organic compounds.

What are the important organic compounds present in living organisms? -Biology

Description : What are the important organic compounds present in living organisms? -Biology

Last Answer : All organisms need four types of organic molecules: nucleic acids, proteins, carbohydrates and lipids; life cannot exist if any of these molecules are missing. Nucleic Acids. The nucleic acids are DNA ... acid and ribonucleic acid, respectively. ... Proteins. ... Carbohydrates. ... Lipids.

Form of energy do plants use to synthesize organic compounds? -Biology

Description : Form of energy do plants use to synthesize organic compounds? -Biology

Last Answer : answer:

Which is the essential element in all organic compounds? -General Knowledge

Description : Which is the essential element in all organic compounds? -General Knowledge

Last Answer : The answer is 'Carbon'

By which Carbon and hydrogen are estimated in organic compounds? -Do You Know?

Description : By which Carbon and hydrogen are estimated in organic compounds? -Do You Know?

Last Answer : The percentages of carbon and hydrogen in the compound are calculated from the masses of carbon dioxide and water. Estimation of carbon and hydrogen in an organic compound is based on their conversion to CO, and H20 respectively

Which is the essential element in all organic compounds? -General Knowledge

Description : Which is the essential element in all organic compounds? -General Knowledge

Last Answer : answer:

Which is the essential element in all organic compounds? -General Knowledge

Description : Which is the essential element in all organic compounds? -General Knowledge

Last Answer : answer:

What are the two differences between organic compounds and inorganic compounds ?

Description : What are the two differences between organic compounds and inorganic compounds ?

Last Answer : The two differences between organic and inorganic compounds are mentioned below: 1. All organic compounds must have carbon in their molecules. Such as: CH 4, C 2 H 3 OH etc. But molecules of ... On the other hand, due to ionic bonds, the reaction of inorganic compounds is faster. Thank you!

Soap Organic Compounds or Inorganic Compounds ?

Description : Soap Organic Compounds or Inorganic Compounds ?

Last Answer : Soap is an organic compound because it is derived from organic compounds. Soap is made by adding caustic soda to organic compounds. . .. CH2-OCO-R .. | CH-OCO-R ............................................ ... .... CH2-OH oil or fat + caustic soda --- > soap + glycerol here R = Cn H 2n + 1 n = 12-18

How do you prepare organic compounds urea ?

Description : How do you prepare organic compounds urea ?

Last Answer : Scientist Friedrich Volar prepares the organic compound urea by heating the inorganic compound ammonium cyanate. Thanks!

What class of organic compounds is acetylene ?

Description : What class of organic compounds is acetylene ?

Last Answer : Acetylene alkyne class organic compounds.

Are organic compounds electrolytic or covalent substances ?

Description : Are organic compounds electrolytic or covalent substances ?

Last Answer : Organic compounds are covalent substances.

What is the reason for the high number of organic compounds ?

Description : What is the reason for the high number of organic compounds ?

Last Answer : The reasons for the high number of organic compounds are: 1) Cation of carbon element 2) Electronegativity and bonding strength of carbon 3) Equivalence of organic compounds

Organic Compounds Who Say ?

Last Answer : Carbon, Hydrogen By Formed Compounds, That From Originated To compounds Organic Compounds Says.

Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Description : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: During biodegradation of organic compounds. Oxy

Last Answer : Assertion: Amount of biodegradable organic matter present in water is measured by BOD of water Reason: ... but reason is wrong D. both are wrong

Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is one of the organochlorine pesticides.

Description : Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is one of the organochlorine pesticides.

Last Answer : Assertion : Organichlorine presticides are organic compounds that have been chlorinated. Reason:Fenitrothion is ... reason is wrong D. Both are wrong

Who did an experiment to prove that ' The organic compounds were thers of life '?

Description : Who did an experiment to prove that ' The organic compounds were thers of life '?

Last Answer : Who did an experiment to prove that ' The organic compounds were thers of life '? A. Darwing B. Stanley Miller and Harold C. Urey C. Melvin D. Fox

Organic compounds sometimes adjust their electronic as well as steric structure to attain stability. Among the following, the compound having highest

Description : Organic compounds sometimes adjust their electronic as well as steric structure to attain stability. Among the following, the compound having highest

Last Answer : Organic compounds sometimes adjust their electronic as well as steric structure to attain stability. Among the following, ... moment is : A. B. C. D.

Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid chloride)

Description : Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid chloride)

Last Answer : Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid ... C. `PCl_(3)` D. `PCl_(5)`

Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid chloride)

Description : Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid chloride)

Last Answer : Which of the following are used as chlorinating agents in organic synthesis of compounds ? (Like acid converted to acid ... C. `PCl_(3)` D. `PCl_(5)`

Process in which light energy is converted into chemical energy (organic compounds) is called

Description : Process in which light energy is converted into chemical energy (organic compounds) is called

Last Answer : Process in which light energy is converted into chemical energy (organic compounds) is called

Is it possible for certain foods to test positive for more than one organic compounds?

Description : Is it possible for certain foods to test positive for more than one organic compounds?

Last Answer : Feel Free to Answer

What are the key element found in all organic compounds?

Description : What are the key element found in all organic compounds?

Last Answer : Need answer

Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials

Description : Across a membrane phospholipids act as carrier of (A) Organic compounds (B) Inorganic ions (C) Nucleic acids (D) Food materials

Last Answer : Answer : B

Organic compounds which inhibit or modify any physiological process

Description : Organic compounds which inhibit or modify any physiological process

Last Answer : Ans. Plant Growth Regulators (PGRs)

A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance of these differences is/are true? a. The cell membrane is able to maintain a 10,000 fold gradient between the extracellular concentration of ionized calcium and the intracellular concentration b. The key to these differences is the fact that the plasma membrane is normally impermeable to sodium, potassium and calcium c. The selectivity of biologic membranes is highly consistent and seldom changes d. The selectivity of cell membranes relates only to ions and not organic compounds

Description : A striking feature of living cells is a marked difference between the composition of the cytosol and the extracellular milieu. Which of the following statement(s) concerning the mechanisms of maintenance ... d. The selectivity of cell membranes relates only to ions and not organic compounds

Last Answer : Answer: a The survival of the cell requires that cytosolic composition be maintained within narrow limits, despite the constant influx of nutrients and the simultaneous outflow of waste. A ... be altered drastically as a result of regulatory or signaling processes that occur within the cell

Sulphur can be utilized by bacteria in the form of a. Organic compounds b. Inorganic compounds c. Elemental compounds d. All of the above

Description : Sulphur can be utilized by bacteria in the form of a. Organic compounds b. Inorganic compounds c. Elemental compounds d. All of the above

Last Answer : Ans: A

Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night

Description : Biological Oxygen Demand (BOD) is a measure of: a. Industrial wastes poured into water bodies b. Extent to which water is polluted with organic compounds c. Amount of carbon monoxide inseparably combined with haemoglobin d. Amount of oxygen needed by green plants during night

Last Answer : Ans: A

A molecule is (a) A class of organic compounds (b) The smallest unit of a substance that retains the properties of the substance (c) The spectrum of a substance (d) A small mass

Description : A molecule is (a) A class of organic compounds (b) The smallest unit of a substance that retains the properties of the substance (c) The spectrum of a substance (d) A small mass

Last Answer : Ans:(b)

Covalent bonds are mainly found in (a) Organic compounds (b) Inorganic compounds (c) Electrolytes (d) None of the above

Description : Covalent bonds are mainly found in (a) Organic compounds (b) Inorganic compounds (c) Electrolytes (d) None of the above

Last Answer : Ans:(a)

Production of alcohol from organic compounds by microorganisms is known as (1) Combustion (2) Fermentation (3) Anaerobic: respiration (4) Aerobic respiration

Description : Production of alcohol from organic compounds by microorganisms is known as (1) Combustion (2) Fermentation (3) Anaerobic: respiration (4) Aerobic respiration

Last Answer : (3) Anaerobic: respiration Explanation: The process of breaking down large molecules into simpler one in the presence of enzyme is called fermentation.

(3) They are not easily combustible Explanation: Typical organic compounds are combustible by nature as they contain carbon. Organic compounds mostly consist of carbon, hydrogen, halogen, and phosphorus.

Description : (3) They are not easily combustible Explanation: Typical organic compounds are combustible by nature as they contain carbon. Organic compounds mostly consist of carbon, hydrogen, halogen, and phosphorus.

Last Answer : Which of the process is known as nitrification? (1) Reaction of Nitrogen Monoxide with oxygen to form nitric acid (2) Reaction of nitrogen dioxide with water to form nitric acid (3) Conversion of ammonia to nitrites (4) Conversion of nitrite to nitric oxide

(1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, react in the atmosphere in the presence of sunlight containing ultra violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3

Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn

In organic compounds, nitrogen is estimated by – (1) Carius method (2) Victor-Meyees method (3) Liebigs method (4) Dumas' method

Description : In organic compounds, nitrogen is estimated by – (1) Carius method (2) Victor-Meyees method (3) Liebigs method (4) Dumas' method

Last Answer : (4) Dumas' method Explanation: In Dumas' method, a known quantity of nitrogen containing organic compound is heated strongly with excess of copper oxide in an atmosphere of carbon dioxide to produce free nitrogen in addition to carbon dioxide and water.

In organic compounds, nitrogen is estimates by - (1) Dumas method (2) Carius method (3) Victor-meyer's method (4) Liebig's method

Description : In organic compounds, nitrogen is estimates by - (1) Dumas method (2) Carius method (3) Victor-meyer's method (4) Liebig's method

Last Answer : (1) Dumas method

Organic compounds are - (1) Covalent compounds (2) Ionic compounds (3) Co-ordination compounds (4) Interstitial compounds

Description : Organic compounds are - (1) Covalent compounds (2) Ionic compounds (3) Co-ordination compounds (4) Interstitial compounds

Last Answer : (1) Covalent compounds Explanation: Organic compounds are always covalent compounds because it is more energetically favorable for carbon to covalently bond. Organic compounds, such as carbohydrates, lipids, proteins and nucleic acids, are all examples of covalent compounds.

Which element found in all organic compounds? (1) carbon (2) nitrogen (3) calcium (4) none of them

Description : Which element found in all organic compounds? (1) carbon (2) nitrogen (3) calcium (4) none of them

Last Answer : (1) carbon Explanation: Carbon is found in all organic matter, but NOT in inorganic matter organic means chemical compounds with carbon in them. In a more general sense, organic refers to living things.

Which one of the following organic compound is used to remove stains of iron compounds? (1) Oxalic acid (2) Benzoic acid (3) Phthalic acid (4) Cinnamic acid

Description : Which one of the following organic compound is used to remove stains of iron compounds? (1) Oxalic acid (2) Benzoic acid (3) Phthalic acid (4) Cinnamic acid

Last Answer : (1) Oxalic acid Explanation: Oxalic acid is a reducing agent and its conjugate base, known as oxalate is a chelating agent for metal cations. Oxalic acid's main applications include cleaning or ... agents is due to its forming a stable, water soluble salt with ferric iron, ferrioxalate ion.

Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Description : Which one of the following organic compounds has fruity smell? (1) Alcohol (2) Aldehyde (3) Ester (4) Ether

Last Answer : (3) Ester Explanation: Esters are common in organic chemistry and biological materials, and often have a characteristic pleasant, fruity odour. This leads to their extensive use in the fragrance and ... ester as the reaction product. Esters are widespread in nature and are widely used in industry.

Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of ______________. A. asbestos B. water C. fibre D. plastic

Description : Part of the insulation of practically all electrical machinery is in the form of organic compounds which contain some amount of ______________. A. asbestos B. water C. fibre D. plastic

Last Answer : Answer: B

By which Carbon and hydrogen are estimated in organic compounds?

Description : By which Carbon and hydrogen are estimated in organic compounds?

Last Answer : Liebig’s method