Description : Unsaturated hydrocarbons with triple bond?
Last Answer : Alkynes
Description : Hydrocarbons that contain a triple bond between carbon atoms are known as: w) alkenes x) alkanes y) alkynes z) polymers
Last Answer : ANSWER: Y -- ALKYNES
Description : The unsaturated hydrocarbons having double bond between carbon atom are
Last Answer : alkene.
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 : Catenation is a property of the carbon atom which describes its ability to (a) bond with other carbon atoms (b) form double and triple bonds (c) exist in plant and animal form (d) form bonds in its ground state
Last Answer : bond with other carbon atoms
Description : The triple bond between the carbon atoms causes acetylene, C2H2, to have which of the following shapes? w) trigonal planar (pron: try-gon-al) x) linear y) tetrahedral z) trigonal bipyramidal
Last Answer : ANSWER: X -- LINEAR
Description : Classify the following into saturated and unsaturated hydrocarbons – Benzene, cyclopropane, alkene and alkane, methane, ethene, Propyne, butene
Last Answer : Saturated: Alkane, cyclopropane, methane Unsaturated: Benzene, alkene, ethene, Propyne, butene
Description : Mention the differences between saturated and unsaturated hydrocarbons.
Last Answer : Saturated hydrocarbons 1. Hydrocarbons in which carbon atoms are linked by single covalent bonds. 2. Names of these hydrocarbons end with ane'. Unsaturated hydrocarbons 1. Hydrocarbons in which carbon ... and triple covalent bonds. 2. Names of these hydrocarbons end with ene' or yne'
Description : The fatty acids containing even number and odd number of carbon atoms as well as the unsaturated fatty acids are oxidized by (A) α-oxidation (B) β-oxidation (C) ω-oxidation (D) All of these
Last Answer : Answer : B
Description : Prostaglandins: a. contains 20 carbon atoms b. are unsaturated fatty acids containing a cyclopentane ring c. the different types of prostaglandins are classified according to the configuration of the cyclopentane ring d. all above
Last Answer : all above
Description : Which one of the following biomolecules is correctly characterized? (a) Lecithin-a phosphorylated glyceride found in cell membrane. (b) Palmitic acid - an unsaturated fatty acid with 18 carbon atoms. ... Alanine amino acid - contains an amino group and an acidic group anywhere in the molecule.
Last Answer : (a) Lecithin-a phosphorylated glyceride found in cell membrane
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 : Which one of the following processes aims at producing higher yield of gaseous unsaturated hydrocarbons and aromatics like benzene & toluene? (A) Reforming (B) Pyrolysis (C) Alkylation (D) Hydrocracking
Last Answer : (A) Reforming
Description : Olefins are (A) Saturated hydrocarbons (B) Unsaturated cyclic compounds (hydrocarbons) (C) Present in substantially good quantity in crude petroleum (D) None of these
Last Answer : (D) None of these
Description : With increase in the time of carbonisation at a particular temperature(say 1000°C), the __________ percentage in coke oven gas increases. (A) Hydrogen (B) Methane (C) Unsaturated hydrocarbons (D) All (A), (B) and (C)
Last Answer : (A) Hydrogen
Description : Direct reaction of unsaturated hydrocarbons with either NO or NO2 produces an eye irritating pollutant compound known as (A) Photochemical smog (B) Peroxyacetyl nitrate (PAN) or methyl nitrite (C) Benzopyrene (D) Polyacrylonitrile
Last Answer : (B) Peroxyacetyl nitrate (PAN) or methyl nitrite
Description : Which of the following are correct statements concerning unsaturated hydrocarbons? (a) All unsaturated hydrocarbons are insoluble in water. (b) All unsaturated hydrocarbons are soluble in nonpolar solvents. (c) All unsaturated hydrocarbons are more dense than water. (d) (a) & (c)
Last Answer : (a) & (c)
Description : Which of the following hydrocarbons of same carbon atoms has minimum smoking tendency? (A) Paraffins (B) Naphthenes (C) Aromatics (D) Iso-paraffins
Last Answer : (A) Paraffins
Description : Aromatics have the highest __________ of all the hydrocarbons of same carbon atoms. (A) Smoke point (B) Octane number (C) Cetane number (D) Viscosity
Last Answer : (B) Octane number
Description : The boiling point of normal paraffinic (pron: pair-ah-FIN-ik) hydrocarbons increases with the number of carbon atoms per molecule. What is the smallest number of carbon atoms a normal paraffinic ... and still be a liquid at room temperature (70-75 degrees Fahrenheit) and 1 atmosphere pressure.
Last Answer : ANSWER: FIVE
Description : How many electrons are involved in a carbon-carbon triple bond? (a) 1 (b) 2 (c) 3 (d) 6
Last Answer : 6
Description : The bond angles associated with the hybrid orbitals of a carbon involved in a triple bond is (a) 180° (b) 120° (c) 109° (d) 45
Last Answer : 180
Description : The carbon-carbon bond lengths in rank of increasing bond length is : (a) triple, double, single (b) single, double, triple (c) single, triple, double (d) triple, single, double
Last Answer : triple, double, single
Description : The ability of carbon atoms to link together to from short or long chain by covalent bond is called
Last Answer : catenation.
Description : What The double bond between carbon atom and two oxygen atoms has two characteristics what are they?
Last Answer : Four valence electrons are shared.Valence electrons are shared between oxygen atoms.
Description : What is the maximun number of atoms that a carbon atom can bond with in an organic compoud?
Last Answer : Feel Free to Answer
Description : ∆9 indicates a double bond between carbon atoms of the fatty acids: (A) 8 and 9 (B) 9 and 10 (C) 9 and 11 (D) 9 and 12
Description : An organic compound (A) has a molecular weight 78 and an empirical formula CH. (A) is resistant to attack by oxidizing agents but undergoes substitution and addition reactions. X-ray analysis shows that the ... suggests that compound (A) is (a) Benzene (b) Cyclohexane (c) Toluene (d) n-Hexane
Last Answer : Benzene
Description : Which of the following statements about benzene is correct? (a) All of the carbon atoms are sp3 hybridized. (b) It has no delocalized electrons. (c) The carbon-carbon bond length is longer than that of ethane. (d) It is a planar molecule.
Last Answer : It is a planar molecule.
Description : The bond angle between carbon atoms in cyclohexane is (a) 60° (b) 90° (c) 109.5° (d) 120°
Last Answer : 109.5°
Description : The bond angle between carbon atoms in cyclohexane is (a) 109°28' (b) 60° (c) 90° (d) 120°
Last Answer : 109°28'
Description : Which statement about the carbonyl group is NOT true? (a) The carbonyl carbon is sp2 hybridized. (b) The bond angles among the three atoms attached to the carbonyl carbon are 120°. (c) ... attached to the carbonyl carbon form a nonplanar geometry. (d) The carbonyl group forms resonance structures.
Last Answer : The three atoms attached to the carbonyl carbon form a nonplanar geometry
Description : Which of the following statements about ethene, C2H4, is incorrect? (a) The H–C–H bond angles are approximately 109.5°. (b) There is a total of five sigma bonds. (c) The carbon atoms are sp2 hybridized. (d) The H–C–H bond angles are approximately 120°.
Last Answer : The H–C–H bond angles are approximately 109.5°.
Description : The carbon atoms involved in the double bond of an alkene are (a) sp hybridized (b) sp2 hybridized (c) sp3 hybridized (d) None of these
Last Answer : sp2 hybridized
Description : Homolytic fission of covalent bond between carbon atoms will produce : (a) Two carbonium ions (b) Two molecules (c) Free radicals (d) Carbonium ion and carbanion
Last Answer : Free radicals
Description : What are hydrocarbons with only a single bond called?
Last Answer : Alkanes are hydrocarbon atoms that have only single covalent bond.
Description : Which of the following hydrocarbons has the shortest C–C bond length? (a) CH2=CH2 (b) CH3CH3 (c) HC≡CH
Last Answer : HC≡CH
Description : Classify the following compounds containing double bond and triple bond – Ethyne, benzene, Butyne, pentene
Last Answer : Double bond: Benzene, pentene Triple bond: Ethyne, Butyne
Description : How many total electrons are shared in a triple covalent bond?
Last Answer : 4 :)
Description : How many sigma and pi bonds are there in a triple bond?
Last Answer : 1 sigma, 2 pi bonds in a triple bond.
Description : How much amount of energy is required to break the Triple bond in nitrogen molecule ?
Last Answer : 225 Kcal/mole or 945.4 KJ/mole
Description : Why are covalent compounds poor conductors of electricity? (1) Due to the presence of charged particles. (2) Due to the absence of charged particles. (3) Due to the presence of a triple bond. (4) None of the above
Last Answer : (2) Due to the absence of charged particles. Explanation: In a covalent compound, electrons are shared between atoms. This leaves no free electrons and hence there and no charged particles. This leads to covalent compounds being poor conductors of electricity.
Description : Which of the following describes a triple bond? (a) two sigma bonds and two pi bonds (b) one sigma bond and one pi bond (c) two sigma bonds and one pi bond (d) one sigma bond and two pi bonds
Last Answer : one sigma bond and two pi bonds
Description : A triple bond consists of (a) 2 sigma bonds and 1 pi bond (b) 3 sigma bonds (c) 1 sigma bond and 2 pi bonds (d) 3 pi bonds
Last Answer : 1 sigma bond and 2 pi bonds
Description : A triple bond consists of how many pi bonds and how many sigma bonds?
Last Answer : ANSWER: ONE SIGMA BOND AND TWO PI BONDS
Description : A triple bond consists of: w) three sigma bonds x) three pi bonds y) two sigma bonds and one pi bond z) one sigma bond and two pi bonds
Last Answer : ANSWER: Z -- ONE SIGMA BOND AND TWO PI BONDS
Description : Eicosanoids are a group of _____ carbon unsaturated fatty acids (a) 20 (b) 10 (c) 25 (d) 35
Last Answer : Ans: A