Ethyl mercaptan is a/an __________ compound.
(A) Sulphur
(B) Nitrogen

1 Answer

Answer :

(A) Sulphur

Related questions

Description : Ethyl mercaptan is added to the Doctor negative LPG for facilitating the detection of its leakage (by bad odour) to the extent of about __________ ppm. (A) 1 (B) 50 (C) 5000 (D) 10000

Last Answer : (B) 50

Description : Which of the following additives improves the cetane number of diesel? (A) Amyl nitrate (B) Ethyl mercaptan (C) Naphthenic acid (D) Tetra ethyl lead

Last Answer : (B) Ethyl mercaptan

Description : Naphthenic acid is a/an __________ compound. (A) Sulphur (B) Nitrogen (C) Oxygen (D) None of these

Last Answer : (C) Oxygen

Description : Quinoline is a/an __________ compound. (A) Sulphur (B) Nitrogen (C) Oxygen (D) None of these

Last Answer : (C) Oxygen

Description : Which of the following is used as a solvent in deasphalting of petroleum products? (A) Furfural (B) Propane (C) Methyl ethyl ketone (D) Liquid sulphur dioxide

Last Answer : (B) Propane

Description : Solvent used in duo-sol extraction for lube oil upgradation is a mixture of (A) Propane & phenol-cresol mixture (B) Methyl ethyl ketone & glycol (C) Phenol & furfural (D) Propane & liquid sulphur dioxide

Last Answer : (A) Propane & phenol-cresol mixture

Description : The compound that IS NOT responsible for acid rain is (a) nitrogen dioxide (b) nitrogen pentoxide (c) Sulphur dioxide (d) carbon monoxide

Last Answer : Ans:(d)

Description : Why is an organic compound fused with Sodium for testing nitrogen,halogens and sulphur ?

Last Answer : On fusing with sodium metal the elements presents in an organic compounds are converted in to ionic compounds of sodium which are water soluble which can be filtered and detected by the respective tests.

Description : In the atmospheric pressure crude distillation, the content of __________ from lighter fraction to heavier ones. (A) Sulphur increases (B) Sulphur decreases (C) Nitrogen decreases (D) None of these

Last Answer : (A) Sulphur increases

Description : Sour crude means the __________ bearing crude. (A) Asphalt (B) Sulphur compounds (C) Wax (D) Nitrogen compounds

Last Answer : (B) Sulphur compounds

Description : Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen (C) Carbon, sulphur, volatile matter & ash (D) Carbon, volatile matter, ash & moisture

Last Answer : (A) Carbon, hydrogen, nitrogen & sulphur

Description : Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture, volatile matter, ash & fixed carbon (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Last Answer : (B) Moisture, volatile matter, ash & fixed carbon

Description : Proximate analysis of coal determines its __________ content. (A) Moisture, ash, sulphur & volatile matter (B) Moisture & volatile matter (C) Moisture, sulphur, nitrogen & fixed carbon (D) None of these

Last Answer : (B) Moisture & volatile matter

Description : Ultimate analysis of coal determines its __________ content. (A) Carbon, hydrogen, nitrogen & sulphur (B) Carbon, ash, sulphur & nitrogen (C) Carbon, sulphur, volatile matter & ash (D) Carbon, volatile matter, ash & moisture

Last Answer : (C) Carbon, sulphur, volatile matter & ash

Description : Steps taken by the Government of India to control air pollution include (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and ... trucks (d) compulsory mixing of 20% ethyl alcohol with petrol and 20% biodiesel with diesel.

Last Answer : (a) compulsory PUC (Pollution under control) certification of petrol driven vehicles which tests for carbon monoxide and hydrocarbons

Description : Which of the following is an organometallic compound? (A) Isopropyl alcohol (B) Tetra-ethyl lead (C) Zeolite (D) Cumene

Last Answer : (B) Tetra-ethyl lead

Description : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ?

Last Answer : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ... C_(2)H_(2)dilH_(2)SO_(4)HgSO_(4)`

Description : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition compound with ethyl alcohol

Last Answer : Assertion (A): Ethyl alcohol is soluble in organic solvents Reason(R): Calcium chloride can form an addition ... is false D. A is false but R is true

Description : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other to give ethyl acetate. The A and B are

Last Answer : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other ... (3)OH` D. `CH_(3)COOH " and " HCOOH`

Description : During fermentation of sugar, the compound which is always formed is – (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : (2) Ethyl Alcohol Explanation: Fermentation is the conversion of sugar into car-bon dioxide has (CO2) and ethyl alcohol. This process is carried out by yeast cells using a range of enzymes.

Description : At the end of glycolysis, six carbon compound ultimately changes into (a) ethyl alcohol (b) acetyl Co-A (c) pyruvic acid (d) ATP

Last Answer : (c) pyruvic acid

Description : Which compound reacts most rapidly by an SN1 mechanism? (a) Methyl chloride (b) Isopropyl chloride (c) Ethyl chloride (d) tert-Butyl chloride

Last Answer : tert-Butyl chloride

Description : Which of the following compounds is used as an antiknock compound? (a) Ethyllithium (b) Tetraethyllead (c) Ethyl acetate (d) Lead acetate

Last Answer : Tetraethyllead

Description : During fermentation of sugar, the compound which is always formed is : (1) Methyl Alcohol (2) Ethyl Alcohol (3) Acetic Acid (4) Ethylene

Last Answer : Ethyl Alcohol

Description : Which of the following constituents present in petroleum is responsible for ash formation? (A) Nitrogen compounds (B) Organometallic compounds (C) Sulphur compounds (D) Oxygen compounds

Last Answer : (C) Sulphur compounds

Description : Which of the following theories of origin of petroleum does not explain the presence of nitrogen & sulphur compounds in crude oil? (A) Modern theory (B) Carbide theory (C) Engler theory (D) All (A), (B) and (C

Last Answer : (B) Carbide theory

Description : Which of the following does not come under the category of ‘primary nutrient' for plant growth? (A) Potassium (B) Nitrogen (C) Phosphorous (D) Sulphur

Last Answer : (D) Sulphur

Description : Which of the following is not a measure component necessarily to be present in fertilisers? (A) Nitrogen (B) Potassium (C) Phosphorous (D) Sulphur

Last Answer : (D) Sulphur

Description : Which is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

Description : Which of the following is the most major constituents of air pollutants? (A) Oxides of sulphur (B) Oxides of nitrogen (C) Carbon monoxide (D) Hydrogen sulphide

Last Answer : (A) Oxides of sulphur

Description : Which of the following air pollutants is not toxic to vegetation i.e., doesn't cause vegetation damage? (A) Smog & ozone (B) Hydrogen fluoride & nitrogen oxides (C) Sulphur dioxide & spray of weed killers (D) Carbon monoxide

Last Answer : (D) Carbon monoxide

Description : Which of the following is a secondary air pollutant? (A) Photochemical smog (B) Sulphur dioxide (C) Nitrogen dioxide (D) Dust particles

Last Answer : (A) Photochemical smog

Description : Frasch process is for (A) Making oxygen (B) Producing helium (C) Mining sulphur (D) Making nitrogen

Last Answer : (C) Mining sulphur

Description : Water-ethyl alcohol solution can be concentrated (in respect of alcohol concentration) by __________ distillation. (A) Atmospheric (B) Vacuum (C) High pressure (D) None of these

Last Answer : (B) Vacuum

Description : __________ is produced using molasses as the starting raw material. (A) Methyl alcohol (B) Ethyl alcohol (C) Benzol (D) Dimethyl ether

Last Answer : (B) Ethyl alcohol

Description : __________ is produced by the dehydrogenation of ethyl benzene. (A) Styrene (B) Ethyl alcohol (C) Cumene (D) Phenol

Last Answer : (A) Styrene

Description : Fermentation of molasses to produce ethyl alcohol is done at __________ °C. (A) 20 - 30 (B) < - 5 (C) 100 - 150 (D) 250 - 300

Last Answer : (A) 20 - 30

Description : Liquor poisoning generally occurs due to the presence of __________ in it. (A) Ethyl alcohol (B) Impurities (C) Methyl alcohol (D) Carbonic acid

Last Answer : (C) Methyl alcohol

Description : Liquor poisoning generally occurs due to the presence of __________ in it. (A) Ethyl alcohol (B) Impurities (C) Methyl alcohol (D) Carbonic acid

Last Answer : (C) Methyl alcohol

Description : Which of the following is not a sulphur compound present in petroleum? (A) Thiophenes (B) Mercaptans (C) Sulphones (D) Pyrrole

Last Answer : (D) Pyrrole

Description : Oxides of sulphur and nitrogen are important pollutants of :

Last Answer : Oxides of sulphur and nitrogen are important pollutants of : A. Water B. air C. Soil D. All of the above

Description : A molecule of CO2 is captured by biotin when it acts as coenzyme for carboxylation reaction. The carboxyl group is covalently attached to (A) A nitrogen (N1) of the biotin molecule (B) Sulphur of thiophene ring (C) α-Amino group of lysine (D) α-Amino group of protein

Last Answer : Answer : A

Description : For the synthesis of amino acids cysteine, cystine and methionine the element required is a. Sulphur b. Oxygen c. Nitrogen d. None of these

Last Answer : Ans: D

Description : For the formation of cell-components the elements required are a. Nitrogen b. Oxygen c. Sulphur d. All of these

Last Answer : Ans: D

Description : In the synthesis of cell components the major element required is a. Nitrogen b. Sulphur c. Carbon d. Oxygen

Last Answer : Ans: C

Description : Which of the following is commonly present in the acids? (a) Oxygen (b) Hydrogen (c) Sulphur (d) Nitrogen

Last Answer : Ans:(b)

Description : Coal burning power plants and factories are responsible for about 86% of - (a) carbon monoxide in the atmosphere (b) sulphur dioxide in the atmosphere (c) chlorine in the atmosphere (d) nitrogen dioxide in the atmosphere

Last Answer : Ans:(b)

Description : The most serious air pollutant causing health hazard is – (1) Sulphur dioxide (2) Carbon monoxide (3) Ozone (4) Nitrogen oxide

Last Answer : (1) Sulphur dioxide Explanation: Sulphur dioxide (SO2) is considered as the most serious single air pollutant causing health hazard, obstructing breathing. It always leads to airways inflammation, ... , pulmonary oedema, heart failure and circulatory collapse. It is also responsible for acid rain.

Description : The element which is required by the plant in large quantity – (1) Calcium (2) Nitrogen (3) Phosphorus (4) Sulphur

Last Answer : (2) Nitrogen Explanation: All plants need nitrogen to make amino acids, proteins and DNA, but the nitrogen in the atmosphere is not in a form that they can use. Plants use nitrogen by absorbing either nitrate or ammonium through the roots.

Description : Transboundary pollution (or) Acid rain is caused by – (1) Carbon monoxide (2) Carbon dioxide (3) Hydrocarbon (4) Nitrogen oxide and sulphur dioxide

Last Answer : (4) Nitrogen oxide and sulphur dioxide Explanation: Acid rain is a rain or any other form of precipitation that is unusually acidic, meaning that it possesses elevated levels of hydrogen ions ( ... dioxide and nitrogen oxide, which react with the water molecules in the atmosphere to produce acids.