Description : Simplest binary organic compounds containing carbon and hydrogen only are called
Last Answer : hydrocarbons.
Description : The greatest number of compounds are formed by the element (a) hydrogen (b) carbon (c) oxygen (d) nitrogen
Last Answer : Ans:(b)
Description : Why are Calcium Carbide (CaC 2 ), Carbon monoxide (CO), Carbon dioxide (CO 2 ), Hydrogen cyanide (HCN) and calcium carbonate (CaCO 3 ) classified as inorganic compounds through they contain carbon?
Last Answer : These compounds contain only one or two carbon atoms per formula unit and contain no carbon-carbon (C-C) bonds or carbon-hydrogen bonds. Hence they are classified as inorganic compounds.
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
Description : What compounds that contain both carbon and hydrogen atoms?
Last Answer : They are organic compounds; specifically, they are hydrocarbons.
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
Description : Two elements which can form a large number of compounds are (1) Carbon and Hydrogen (2) Carbon and Nitrogen (3) Carbon and Oxygen (4) Carbon and Sulphur
Last Answer : (1) Carbon and Hydrogen Explanation: The carbon-hydrogen bond (C-H bond) is a bond between carbon and hydrogen atoms that can be found in many organic compounds. Compound classes ... bonds are alkanes, alkenes, alkynes, and aromatic hydrocarbons. Collectively they are known as hydrocarbons.
Description : By which Carbon and hydrogen are estimated in organic compounds?
Last Answer : Liebig’s method
Description : Proteins are most complex organic compounds, containing a. Carbon b. Hydrogen c. oxygen and nitrogen d. All of these
Last Answer : All of these
Description : A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be (A) More (B) Less (C) Same (D) Data insufficient; can't be predicted
Last Answer : (C) Same
Last Answer : Liebig's method
Description : Plastics are compounds of carbon with element (A) Hydrogen (B) Nitrogen (C) Oxygen (D) All of thes
Last Answer : Answer: Option D
Description : Choose the incorrect statement pertaining to organic compounds (1) They have low melting and boiling points (2) They do not dissolve in water (3) They are not easily combustible (4) They contain mainly carbon and hydrogen
Last Answer : They are not easily combustible
Last Answer : Carbon and Hydrogen
Description : The product(s) of reaction catalysed by nitrogenase in root nodules of leguminous plants is/are (a) ammonia alone (b) nitrate alone (c) ammonia and oxygen (d) ammonia and hydrogen.
Last Answer : (d) ammonia and hydrogen.
Description : What statement about Arrhenius acids is FALSETheir aqueous solutions are electrolytesTheir water solutions are called aqueous acids They increase the concentration of hydroxide ions in aqueous solutionThey are molecular compounds with hydrogen ions?
Last Answer : The answer is: They increase the concentration of hydroxide ions in aqueous solution.
Description : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature and hydrogen bonding is more important f
Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ionic in nature ... H_(2)O lt H_(2)Te -` boiling point
Last Answer : Oxygen differs from the other elements of the group. Compounds of oxygen with metals are more ... oxides are usually covalent and acidic in nature
Description : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those which can act as bleaching agen
Last Answer : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those ... C. 1 and 2 D. 1, 2 and 3
Description : Which of the following compounds has the least tendency to form hydrogen bonds between molecules ?
Last Answer : Which of the following compounds has the least tendency to form hydrogen bonds between molecules ? A. `NH_(3)` B. `H_(2)NOH` C. `HF` D. `CH_(3)F`
Description : The compounds in which hydrogen bonding is not possible is
Last Answer : The compounds in which hydrogen bonding is not possible is A. `C_(6)H_(5)OCH_(3)` B. `CH_(3)CH_(2)OH` C. `H_(2)O` D. `CH_(3)COOH`
Description : Write the formulae of the compounds of hydrogen formed with sodium and chlorine.
Last Answer : Write the formulae of the compounds of hydrogen formed with sodium and chlorine.
Description : Do living organisms consist mostly of of hydrogen based compounds?
Last Answer : Feel Free to Answer
Description : Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride
Last Answer : (4) Sodium chloride Explanation: Antiseptics are antimicrobial substances that are applied to living tissue/skin to reduce the possibility of infection, sepsis, or putrefaction. Antiseptics are generally ... the body, and from disinfectants, which destroy microorganisms found on non-living objects.
Description : Which of the following pairs of compounds will not form hydrogen bonds with each other? (a) CH3OH and CH3CH2OH (b) CH3SH and CH3CH2SH (c) CH3OCH3 and CH3CH2OCH2CH3 (d) CH3COOH and H2O
Last Answer : CH3OCH3 and CH3CH2OCH2CH3
Description : Waste gases from industrial plants form acids that hasten chemical weathering. Most of the gases are compounds of: w) argon x) hydrogen y) iron z) sulfur
Last Answer : ANSWER: Z -- SULFUR
Description : A family of organic compounds containing only carb and hydrogen and having only single bonds are the: w) alkenes and alkanes x) alkanes and cycloalkanes y) alkynes (pron: AL-kines) and alkenes z) cycloalkanes and alkenes
Last Answer : ANSWER: B -- ALKANES AND CYCLOALKANES
Description : Which of the following compounds will be a nonelectrolyte when dissolved in water? w) sodium chloride x) potassium nitrate y) ethanol z) hydrogen chloride
Last Answer : ANSWER: Y -- ETHANOL
Description : Which one of the following compounds is amphiprotic in water? w) sodium chloride x) sodium sulfate y) sodium hydride z) sodium hydrogen carbonate
Last Answer : ANSWER: Z -- SODIUM HYDROGEN CARBONATE
Description : Which of the following compounds is commonly used as an antiseptic in mouthwashes and toothpastes ? (1) Borax (2) Saltpetre (3) Hydrogen peroxide (4) Sodium chloride
Last Answer : Sodium chloride
Description : Who is actually leaving a larger carbon footprint, the person driving with 5 other people in a large SUV, or a single person driving a sports coup alone?
Last Answer : Crazy math problem. My guess is the sports car made a larger footprint. Why do you ask?
Description : If you like pretty gems that sparkle and shine, I invite you to dig in my virtual mine. My first is purple, fit for a king, My second is green where Dorothy did her thing. My third is red, July's ... gem, one letter in its turn, And you will find the stuff for which even the god's yearn. -Riddles
Last Answer : Ambrosia The gems are: Amethyst Emerald ( Emerald City in the Wizard of Oz ) Ruby Pearl Diamond Tiger's eye Cubic Zirconium (Fake diamond) Black Opal Taking the first letter of Amethyst, second of Emerald, etc.. gives Ambrosia - The food of the gods.
Description : The study of compounds and reactions involving carbon is called
Last Answer : Organic chemistry.
Description : The property of carbon atoms to form long chains in compounds is called
Last Answer : catenation.
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
Description : Compounds of carbon having double or triple bonds between their carbon atoms are called (1) Saturated compounds (2) Unsaturated compounds (3) Reactive compounds (4) None of the above
Last Answer : (2) Unsaturated compounds Explanation: Compounds of carbon, which are linked by only single bonds between the carbon atoms are called saturated compounds. Compounds of carbon having double or triple bonds between their carbon atoms are called unsaturated compounds.
Description : Carbon compounds have usually low melting points and
Last Answer : boiling points.
Description : How is carbon able to form large number of compounds?
Last Answer : Carbon is able to form thousands of compounds because of its unique characteristics like catenation, tetravalency and isomerism
Description : Why are carbon-based compounds lumped together as a separate subject within the study of chemistry?
Last Answer : Carbon is a unique element. It is the king of versatility. Its ability to connect with other carbon atoms through strong and stable covalent bonds sets it apart from other elements. ... . Therefore carbon-based compounds lumped together as a separate subject within the study of chemistry.
Description : The general formula of a homologous series of carbon compounds is C n H 2n . Write the molecular formula of the second and fourth member of the series.
Last Answer : Second member is n=3, C 3 H 2x3 = C 3 H 6 Fourth member is n=5, C 5 H 2x5 = C 5 H 10
Description : Write the molecular formulae of the third and fifth member of homologous series of carbon compounds represented by the general formula C n H 2n+2
Last Answer : Third member n = 3, C 3 H 2x3+2 = C 3 H 8 Fifth member n = 5, C 5 H 2x5+2 = C 5 H 12
Description : What are the two properties of carbon which lead to the formation of a large number of carbon compounds?
Last Answer : Catenation and isomerism
Last Answer : Carbon is able to form thousands of compounds because of its unique characteristics like catenation, tetravalency and isomerism.
Description : Ch 4 – Carbon and its Compounds
Last Answer : Ch 4 – Carbon and its Compounds notes
Description : Give reasons for the following observations: (a) The element carbon forms a very large number of compounds. (b) Air holes of a gas burner have to be adjusted when the heated vessels get blackened by the flame. (c) Use of synthetic detergents causes pollution of water. -Chemistry
Last Answer : Answer. (a) Carbon forms large number of compounds since carbon is small in size and can form stable covalent bonds (catenation) and it shows tetravalency. (b) Air holes of gas burner are ... not get blackened. (c) Some synthetic detergents are non-biodegradable, therefore, cause pollution of water.
Description : Aerosols having carbon and fluorine compounds are chiefly released by
Last Answer : Aerosols having carbon and fluorine compounds are chiefly released by A. Refineries B. Automobiles C. Industries D. Jets.