Description : Wax used for making candle is chemically a mixture of – (1) aliphatic hydrocarbons (2) aromatic hydrocarbons (3) cyclic hydrocarbons (4) aliphatic and aromatic hydrocarbons
Last Answer : (1) aliphatic hydrocarbons Explanation: An aliphatic compound is a hydrocarbon compound containing carbon and hydrogen joined together in straight chains, branched trains or non-aromatic rings ... naturally occurring. Waxes are organic compounds that characteristically consist of long alkyl chains.
Description : Aliphatic hydrocarbons are mainly obtained from
Last Answer : petroleum.
Description : Name the homologous series of aliphatic hydrocarbons.
Last Answer : Aliphatic hydrocarbons have three homologous series – Alkanes, Alkenes and Alkynes
Description : How are aliphatic hydrocarbons classified?
Last Answer : Aliphatic hydrocarbons are classified into saturated and unsaturated hydrocarbons.
Description : What are aliphatic or acyclic or open chain hydrocarbons?
Last Answer : The hydrocarbons which consist of straight or branched chains of carbon atoms are called aliphatic or acyclic hydrocarbons.
Description : Which of the following are saturated aliphatic hydrocarbons? w) alkanes x) alkenes y) alkynes z) nixanes
Last Answer : ANSWER: W -- ALKANES
Description : Wax used for making candle is chemically a mixture of (1) aliphatic hydrocarbons (2) aromatic hydrocarbons (3) cyclic hydrocarbons (4) aliphatic and aromatic hydrocarbons
Last Answer : aliphatic hydrocarbons
Description : What is Aliphatic Amin ?
Last Answer : The amine produced when ammonia ( NH 3) to hydrogen ( H) atoms are replaced by aliphatic hydrocarbon radicals such as alkyl radicals is called aliphatic amines .
Description : What is the difference between aliphatic compounds and aromatic compounds ?
Last Answer : aliphatic compounds 1. Aliphatic compounds are mainly free-chain. 2. Aliphatic compounds can be saturated or unsaturated. 3. Aliphatic compounds have low carbon content. 4. Replacement reactions ... compounds. 5. Aromatic halides are relatively less active. . Aromatic hydroxy compounds are acidic.
Description : What is aliphatic hydrocarbon ?
Last Answer : Hydrocarbons without aromatic properties (without circular structure) are called aliphatic hydrocarbons. Such as methane , ethane.
Description : What is aliphatic compound ?
Last Answer : Organic compounds that have free chains of carbon atoms in their molecules are called aliphatic compounds. Such as: CH4, CH3-CH3, CH3-CH2-OH
Description : Two aliphatic aldehydes P and Q react in th presence of aqueous `k_(2)CO_(3)` to give compound R, which upon treatment with HCN provides compound S. O
Last Answer : Two aliphatic aldehydes P and Q react in th presence of aqueous `k_(2)CO_(3)` to give compound R, which ... shown below: The compound S is B. C. D.
Description : Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) which upon treatment with HCN gives compound(
Last Answer : Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) ... (P) and (Q), respectively, are: B. C. D.
Description : The correct sequence regarding base strength of aliphatic amines in aqueous solution is:
Last Answer : The correct sequence regarding base strength of aliphatic amines in aqueous solution is: A. `R_(3)N gt R_(2) NH gt ... gt R_(2)NH gt R_(3)N gt NH_(3)`
Description : Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance.
Last Answer : Assertion : Phenols are more acidic than aliphatic alcohols. Reason : Phenoxides are stabilized by resonance. ... D. A is incorrect but R is correct
Description : Xanthoproteic test is positive in proteins containing (A) Sulphur amino acids (B) α-Amino acids (C) Aromatic amino acids (D) Aliphatic amino acids
Last Answer : Answer : C
Description : Secretion of gastrin is evoked by (A) Entry of food into stomach (B) Vagal stimulation (C) Lower aliphatic alcohols (D) All of these
Last Answer : Answer : D
Description : Pick out the wrong statement regarding the solubility characteristics of high polymers. (A) Greater the degree of cross-linking in the polymer, lesser is its solubility (B) Polymers having more ... of the solvent (D) High molecular weight polymers on dissolving gives solution of very low viscosity
Last Answer : (D) High molecular weight polymers on dissolving gives solution of very low viscosity
Description : In low temperature carbonisation (as compared to high temperature carbonisation) of coal (A) Ammonia yield is more (B) Aliphatic tar is produced (C) Free carbon in tar is more (D) All (A), (B) and (C
Last Answer : (B) Aliphatic tar is produced
Description : Coal tar (produced by high temperature carbonisation) is the main source of (A) Aromatic compounds (B) Aliphatic compounds (C) Paraffins (D) Olefins
Last Answer : (A) Aromatic compounds
Description : Which of the following statements is NOT correct : (a) Tollens' test is given by both aliphatic and aromatic aldehydes. (b) Fehling's test is given by aliphatic aldehydes. It is not given ... given by methyl ketones and acetaldehydes. (d) Lucas test is given by both aliphatic and aromatic aldehydes
Last Answer : Lucas test is given by both aliphatic and aromatic aldehydes
Description : The diazonium salts are the reaction products of the reaction of nitrous acid with (a) primary aliphatic amines (b) primary aromatic amines (c) secondary aliphatic amines (d) secondary aromatic amines
Last Answer : primary aromatic amines
Description : Which statement about the structure of benzene is not true? (a) The two Kekule structures of benzene are in equilibrium. (b) The carbon-carbon bond lengths in benzene are greater than the carbon- ... (d) The stability of benzene ring is much greater than the stability of 1,3,5- cycloheptatriene
Last Answer : The two Kekule structures of benzene are in equilibrium
Description : Coal-tar is the main source of : (a) Aromatic compounds (b) Aliphatic compounds (c) Heterocyclic compounds (d) None of these
Last Answer : Aromatic compounds
Description : Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine
Last Answer : Leucine
Description : Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes
Last Answer : Alcohols
Description : Consider a small aliphatic 1° amine, 1° alcohol, ester, carboxylic acid, and amide, all of similar molecular weight. Which one is most likely to have the highest boiling point? (a) The amide (b) The alcohol (c) The ester (d) The carboxylic acid
Last Answer : The amide
Description : Pyrrole is ...... a. nonaromatic b. Aromitic c. Antiaromatic d. Aliphatic
Last Answer : b. Aromitic
Description : Which of the following is NOT an aliphatic hydrocarbon? w) n-octane x) propylene y) n-tridecane z) benzene
Last Answer : ANSWER: Z -- BENZENE
Description : With hydrocarbons, is chlorine the ONLY atom powerful enough to remove a hydrogen atom from an alkane?
Last Answer : (Disclaimer: I had organic chemistry 10 years ago, so you may want to back this up with some googling) Flourine reacts with alkanes, but it is so reactive it is unpredictable; you don't know ... . It seems like you can get the more powerful acids to react with alkanes under the right conditions.
Description : Effects of hydrocarbons on human health? -Biology
Last Answer : answer:
Description : Most of hydrocarbons from petroleum are obtained by which method? -General Knowledge
Last Answer : The answer is 'Fractional distillation'
Last Answer : Aromatic Featureless To hydrocarbons Aliphatic Hydrocarbons Says.
Description : In human body, the chlorinated hydrocarbons keep on accumulating in:
Last Answer : In human body, the chlorinated hydrocarbons keep on accumulating in: A. Bones B. Brain C. Fatty tissue D. Skin.
Description : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces
Last Answer : Photochemical reaction of nitrogen oxides with unsaturated hydrocarbons produces A. methyl isocyanate B. ... C. Benzpyrene D. peroxy-acyl nitrates.
Description : The products resulting from the atmospheric reactions of hydrocarbons and nitrogen oxides in the presence of sunlight are called
Last Answer : The products resulting from the atmospheric reactions of hydrocarbons and nitrogen oxides in the ... C. Tertiary pollutants D. Non-pollutants
Description : Which of the following statement is correct? (i) Sweat is waxy protective secretion having sterols, hydrocarbons and fatty acids (ii) Sebum is an aque
Last Answer : Which of the following statement is correct? (i) Sweat is waxy protective secretion having sterols, hydrocarbons and ... i C. i and ii D. i and iii
Description : What element do hydrocarbons sometimes contain in stead of hydrogen and carbon?
Last Answer : Need answer
Description : When during fractional distillation hydrocarbons are separated according to their?
Last Answer : Fractional distillation separates substances according to theirboiling point.
Description : What are characteristic of aromatic hydrocarbons?
Last Answer : Principal characteristics of aromatic hydrocarbons are:- the contain benzenic rings- frequently they have an agreeable odor- they burn with soot; this is a disadvantage- the ratio carbon/hydrogen is great
Description : What are hydrocarbons with only a single bond called?
Last Answer : Alkanes are hydrocarbon atoms that have only single covalent bond.
Description : In neutral fats, the unsaponificable matter includes (A) Hydrocarbons (B) Triacylglycerol (C) Phospholipids (D) Cholsesterol
Last Answer : Answer : A
Description : Octane number of gasoline is obtained by comparing the performance of the engine when running on a mixture of the following hydrocarbons A. ethane and methane B. normal heptane and iso-octane C. iso-heptane and octane D. iso-octane and TEL
Last Answer : ANSWER : B
Description : Hydrocarbons are decomposed into smaller hydrocarbons by a) reforming b) refining c) cracking d) polymerization
Last Answer : Answer: c Explanation: Hydrocarbons are decomposed into smaller hydrocarbons by cracking while the molecular structure of the straight-run gasoline is changed by reforming.
Description : The plants popularly known as 'petro crops' are rich in 1. Carbohydrates 2. Hydrocarbons 3. Proteins 4. Lipids The correct answer is: (a) 1, 2 and 3 (b) 1, 3 and 4 (c) 2, 3 and 4 (d) 2 and 4
Last Answer : Ans:(d)
Description : Liquid hydrocarbons are converted to low molecular weight gaseous hydrocarbons by a process known as (a) hydrogenation (b) reforming (c) cracking (d) reduction
Last Answer : Ans:(c)
Description : Cooking gas supplied in cylinders by gas agencies is 1. In the form of a liquid 2. In the form of a gas 3. A mixture of hydrocarbons 4. A heterogeneous solution The correct statements are: (a) 1 and 3 (b) 2 only (c) 3 and 4 (d) 1 and 4
Last Answer : Ans:(a)
Description : The organic matter present in soil is known collectively as – (1) Hydrocarbons (2) Podsols (3) Humus (4) Colloids
Last Answer : (3) Humus Explanation: The organic matter present in soil is known collectively as humus. Humus is fully decomposed and finely divided organic matter. Dune is a hill or ridge of sand accumulated and sorted by wind action.