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 : 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 : How many sigma and pi bonds are there in a triple bond?
Last Answer : 1 sigma, 2 pi bonds in a triple bond.
Description : Which of the following statements is not true about propyne, HC–C≡CH3? (a) It contains six sigma bonds. (b) It contains three pi bonds. (c) The H–C–H bond angle is about 109.5°. (d) The C–C–C bond angle is 180°.
Last Answer : It contains three pi bonds
Description : In double bond, how many sigma and Pi bonds are present in it ?
Last Answer : Double bond = 1 Sigma bond and one Pi bond Among sigma and Pi bonds which is the stronger one Sigma bond is Stronger than pi bond
Description : The higher reactivity of an alkene or alkyne, as compared to an alkane, is due to (a) sigma bonds (b) pi bonds (c) hydrogen bonds (d) None of these
Last Answer : pi bonds
Description : What is the number of sigma `(sigma)` and pi `(pi)` bonds present in sulphuric acid molecule ?
Last Answer : What is the number of sigma `(sigma)` and pi `(pi)` bonds present in sulphuric acid molecule ? A. 6 `sigma` ... ` and 4 `pi` D. 2 `sigma` and 2 `pi`
Description : How many sigma and pi bonds are present in nitrogen formula ?
Last Answer : Each nitrogen molecule contain one sigma and 2 Pi bonds
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 : In 2-butene, which of the following bonds prevents the atoms at each end of the bond from rotating with respect to each other. Is it an: w) ionic bond x) sigma bond y) strong bond z) double bond
Last Answer : ANSWER: Z -- DOUBLE BOND
Description : The molecules which contain `sigma` bond , `pi` bond and lone pair `1:1:1` ratio :-
Last Answer : The molecules which contain `sigma` bond , `pi` bond and lone pair `1:1:1` ratio :- A. `C_(2)N_(2) ... methane ) D. `C_(3)O_(2)` ( Carbon suboxide )
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 : Give Reason (i)N2 is inert at room temperature. (ii) Overlapping of S orbital with any other orbital forms sigma bonds.
Last Answer : Ans .Due to high bond order (3) , it has high bond dissociation energy ,which is not possible at room temperature (ii)Because s orbital has same electron distribution in all axis/ directions
Description : How many σ (sigma) bonds are there in CH2=CH—CH=CH2? (a) 3 (b) 6 (c) 9 (d) 12
Last Answer : 9
Description : Which of the following statements about propene, CH3CH=CH2, is correct? (a) All nine atoms lie in the same plane. (b) The compound has a cis and trans isomer. (c) There is a total of eight sigma bonds. (d) All the carbon atoms are sp2 hybridized
Last Answer : There is a total of eight sigma bonds.
Description : Which of the following is more powerful than pie bond and sigma bond ?
Last Answer : Sigma bonding is stronger because face-to-side overlap occurs during orbital formation of sigma bonds where side-to-side overlap occurs during formation of pie bonds ....
Description : Which statement is correct? (a) Energy is released when a bond breaks. (b) A sigma bond results from attraction of protons and electrons. (c) Energy is released when a bond forms. (d) A carbanion is positively charged
Last Answer : Energy is released when a bond forms
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 : The summation of total no. of lone pairs and `sigma` bonds in in species (A,B and C) is
Last Answer : The summation of total no. of lone pairs and `sigma` bonds in in species (A,B and C) is
Description : Pi bonds are formed by the overlap of what specific type of orbitals:
Last Answer : ANSWER: UNHYBRIDIZED P ORBITALS
Description : Pi bonds are formed by the overlap of: w) unhybridized p orbitals x) sp2 hybridized orbitals y) sp hybridized orbitals z) unhybridized s orbitals
Last Answer : ANSWER: W -- UNHYBRIDIZED P ORBITALS
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 : 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 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 : What is sigma and pie bond ? Want an explanation ?
Last Answer : If in any case the orbitals of two atoms overlap or overlap face to face then it is called sigma bond . If the orbital or subsystem is not complete even after the formation of the sigma bond , then forming ... atomic and molecular orbitals, showing a pi bond at the bottom right .
Description : The bond order for a species with the configuration `sigma1s^(2)sigma^(***)1s^(2)sigma2s^(2)sigma^(**)2s^(2)sigmapx^(1)` will be
Last Answer : The bond order for a species with the configuration `sigma1s^(2)sigma^(***)1s^(2)sigma2s^(2)sigma^(**)2s^(2)sigmapx ... 1 B. `1//2` C. zero D. `3//2`
Description : The kind of delocalization involving sigma bond orbitals is called:
Last Answer : The kind of delocalization involving sigma bond orbitals is called: A. hybridization B. conjugation C. hyperconjugation D. conformation
Description : Equal sharing of electrons is called _____. a. ionic bonds b. covalent bonds bonds c. double bonds d. triple bonds
Last Answer : b. covalent bonds bonds
Description : Which of the following molecules has both `p_(pi)-p_(pi) and p_(pi)-d_(pi)` bonds
Last Answer : Which of the following molecules has both `p_(pi)-p_(pi) and p_(pi)-d_(pi)` bonds A. `XeO_(2)F_(2)` B. `SO_(2)Cl_(2)` C. `SO_(3)` D. `XeO_(3)`
Description : The number of `pi` bonds in perxenate ion is :
Last Answer : The number of `pi` bonds in perxenate ion is :
Description : The compound in which the number of `d pi - p pi` bonds are equal to those present in `ClO_(4)` -
Last Answer : The compound in which the number of `d pi - p pi` bonds are equal to those present in `ClO_(4)` - A. `XeF_(4)` B. `XeO_(3)` C. `XeO_(4)` D. `XeF_(6)`
Description : The nature of `pi` - bonds in `XeO_(3)` :
Last Answer : The nature of `pi` - bonds in `XeO_(3)` : A. two `(p pi- p pi)` and one `(p pi- d pi)` B. one `(p ... C. three `(p pi- d pi)` D. three `(p pi- p pi)`
Description : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2)S_(2)O_(6)" "(II)H_(2)S_(2)O_(3)"
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... I C. II, I, III D. I, III,II
Description : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states)
Last Answer : Which of the following has more number of `p pi-dpi` bonds?(all central atoms are in excited states) A. `SO_(2)` B ... `SO_(3)^(2-)` D. `CO_(3)^(2-)`
Description : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are
Last Answer : In `SO_(2)` two oxygen atoms are linked to the sulpher atom through double bonds. The two `pi` bonds are A. ... (pi)-p_(pi)` and one `p_(pi)-p_(pi)`
Description : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with other elements of smaller size like C, N ets Statement-II :
Last Answer : Statement-I : Elements of oxygen family are not capable of forming `p pi-p pi` bonds with ... Statement-I is not correct and Statement-II is correct
Last Answer : Identify the correct sequence of increasing of `pi-` bonds in the structure of the following molecules `:` `(I)H_(2) ... i C. ii, I, iii D. I, iii, ii
Description : Which of the following contains `p pi-dpi` bonds
Last Answer : Which of the following contains `p pi-dpi` bonds A. `NO_(2)` B. `SO_(3)` C. `SO_(2)` D. Both 2 and 3
Description : How many total electrons are shared in a triple covalent bond?
Last Answer : 4 :)
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 : Unsaturated hydrocarbons with triple bond?
Last Answer : Alkynes
Description : The unsaturated hydrocarbons having one triple bond between carbon atoms are
Last Answer : alkynes.
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