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 : 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 : 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 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 : 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
Description : Hydrogen bonds are formed when a hydrogen atom is shared between two ____. a. molecules c. elements b. atoms d. neutrons
Last Answer : a. molecules
Description : Will carbon as an atom interact with other atoms to form ionic or covalent bonds?
Last Answer : Carbon as an atom interacts with other atoms to from covalent bonds.
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 : Benzene undergoes substitution reaction more easily than addition reaction because (a) it has a cyclic structure (b) it has three double bonds (c) it has six hydrogen atoms (d) there is delocalization of electrons
Last Answer : there is delocalization of electrons
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 : If oxygen which has an electronegativity of 3.5 bonds with hydrogen which has an electronegativity of 2.1 the bond between the two atoms will be classified as a polar what bond?
Last Answer : Need answer
Description : In an oxygen molecule, two atoms are united by - (1) one bond (2) two bonds (3) three bonds (4) four bonds
Last Answer : (2) two bonds Explanation: Two oxygen atoms can both achieve stable structures by sharing two pairs of electrons as in the diagram. Two electrons of each of the atom in the oxygen molecule ... is shown conventionally by two lines joining the atoms. Each line represents one pair of shared electrons.
Description : In an oxygen molecule, two atoms are united by (1) one bond (2) two bonds (3) three bonds (4) four bonds
Last Answer : two bonds
Description : What is the chemical formula for one carbon atom for every two oxygen atoms?
Last Answer : This molecule is carbon dioxide - CO2.
Description : Water contains (A) One hydrogen atom and one oxygen atom (B) Two hydrogen atoms and one oxygen atom (C) One hydrogen atom and two oxygen atoms D) Three hydrogen atoms and two oxygen atoms
Last Answer : Answer: Option B
Description : What formula would 2 nitrogen atoms 1 oxygen atom and amp 2 carbon atoms make up?
Last Answer : The formula would thus be C2N2O.
Description : Carbon dioxide is formed when to oxygen atoms chemically combined with a carbon atom which term best describes carbon dioxide?
Last Answer : Ggg
Description : Asseration: Number of `S-S` bonds in `H_(2)S_(n)O_(6)` is (n-1). Reason: `H_(2)S_(n)O_(6)` shows `HO_(3)S-underset((n-2))(S)-SO_(3)H`
Last Answer : Asseration: Number of `S-S` bonds in `H_(2)S_(n)O_(6)` is (n-1). Reason: `H_(2)S_(n)O_(6)` shows `HO_(3)S-underset((n-2))(S)-SO_(3)H`
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: 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 : You are provided with magnesium ribbon and sulpher powder. Explain with the help of an activity that metal oxides are basic and non-metal oxide are acidic in nature. -Chemistry
Last Answer : Aim: To test the nature of oxides formed by metals and non-metals. Materials Required: Sulphur powder, Mg ribbon, water, blue litmus paper, red litmus paper. Procedure: 1.Take magnesium ribbon ... the metallic oxides are basic in nature whereas most of the non-metallic oxides are acidic in nature.
Description : Which of the following oxoacids of sulpher has -O-O- linkage ?
Last Answer : Which of the following oxoacids of sulpher has -O-O- linkage ? A. `H_(2)S_(2)O_(3)` B. `H_(2)S_(2)O_(5)` C. `H_(2)S_(2)O_(6)` D. `H_(2)S_(2)O_(8)`
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 gas is used in fire extinguishers? (1) Carbon dioxide (2) Nitrogen oxide (3) Carbon monoxide (4) Sulpher dioxide
Last Answer : (1) Carbon dioxide Explanation: Sodium bicarbonate, regular or ordinary used on class B and C fires, was the first of the dry chemical agents developed. In the heat of a fire, it releases a cloud of carbon dioxide that smothers the fire.
Description : Red color of onion is caused due to the presence of - a) Zinc b) Sulpher c) Iron d) Anthocynin
Last Answer : d) Anthocynin
Description : Organophosphate group insecticide example is a. Endosulphan b. Sulpher c. Carbofuran d. All of these
Last Answer : c. Carbofuran
Description : In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ?
Last Answer : In DNA segment of six coils, 22 bp are linked by two hydrogen bonds. How many cytosine would be present ? A. 22 B. 38 C. 44 D. 76
Description : The two polypeptides of human insulin are linked together by (a) covalent bond (b) disulphide bridges (c) hydrogen bonds (d) phosphodiester bond.
Last Answer : (b) disulphide bridges
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 : 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`
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 sigma and pi bonds are there in a triple bond?
Last Answer : 1 sigma, 2 pi bonds in a triple bond.
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 : 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 : 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 : 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 : 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