Description : What is the hybridization and geometry of the carbonyl carbon in carboxylic acids and their derivatives? (a) sp3, tetrahedral (b) sp2, trigonal planar (c) sp2, tetrahedral (d) sp3, trigonal planar
Last Answer : sp2, trigonal planar
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 the molecular geometry of XeO2 (Xenon Dioxide)? w) linear x) angular y) tetrahedral z) trigonal planar
Last Answer : ANSWER: X -- ANGULAR
Description : Apart from tetrahedral geometry another possible geometry for CH4 is square planar with four hydrogen atoms at the corners of the square and the carbon atom at the centre.Explain why CH4 is not square planar?
Last Answer : Ans For square planar arrangement hybridization is dsp2 which is not possible with Carbon as it does not have d orbital with it
Description : The ammonium ion is (a) Square planar (b) Tetrahedral (c) Square pyramidal (d) Trigonal pyramidal
Last Answer : Ans:(b)
Description : For stable molecule the Value of bond order must be.... a) Negative b) Positive c) 0 d) There is no relationship between stability and bond order
Last Answer : b) Positive
Description : Match the following. `{:("List-I","List-II"),((A) XeF_(4),(1) "Distorted octahedral"),((B)XeF_(6),(2) "Tetrahedral"),((C )XeO_(3),(3)"Square planar"),
Last Answer : Match the following. `{:("List-I","List-II"),((A) XeF_(4),(1) "Distorted octahedral"),((B)XeF_(6),(2) "Tetrahedral" ... ` D. `{:(A,B,C,D),(2,4,1,3):}`
Description : The molecular shape of formaldehyde, H2CO, is: w) linear x) trigonal planar y) bent z) tetrahedral
Last Answer : ANSWER: X -- TRIGONAL PLANAR
Description : What is the predicted shape, bond angle, and hybridization for CH3+? (a) trigonal planar, 120°, sp2 (b) trigonal planar, 120°, sp3 (c) trigonal planar, 109.5°, sp2 (d) trigonal pyramidal, 120°, sp2
Last Answer : trigonal planar, 120°, sp2
Description : A coordination complex of type `MX_(2)Y_(2)`[M=metal ion, X,Y=monodentata ligands ], can have either a tetrahedral of a square planar geometry. The ma
Last Answer : A coordination complex of type `MX_(2)Y_(2)`[M=metal ion, X,Y=monodentata ligands ], can have either a tetrahedral ... 2 and 1 C. 1 and 3 D. 3 and 2
Description : Explain why PCl5 is trigonal bipyramidal and IF5is square pyramidal?
Last Answer : Ans. PCl5 has 5 bond pairs of electrons around central atom while in IF5 there are 5 bond pair & 1 lone pair of electrons around central atom.
Description : During the formation of bond..... a) Energy decreases b) Energy increases c) Energy of system does not change d) Electron-electron repulsion becomes more than Nucleus-electron attraction
Last Answer : a) Energy decreases
Description : Apart from tertrahedral geometry ,another possible geometry for CH4 is square planar with the four H atoms at the corners of square and C atom at its centre. Explain why CH4 is not square planar.
Last Answer : Ans. In square planar geometry , the bond angle will be 90 ° which is less than bond angle in tetrahedral geometry ( 109.5 °).Therefore repulsive forces in square planar will be more and it will be less stable as compared to tetrahedral geometry.
Description : Which molecule or ion has a trigonal planar shape?
Last Answer : So3
Description : The structure of an ammonia molecule can best be described as: w) linear x) tetrahedral y) pyramidal z) triagonal planar
Last Answer : ANSWER: Y -- PYRAMIDAL
Description : Is CHF3 trigonal bipyramidal in chemistry?
Last Answer : Feel Free to Answer
Description : Which of the following describes the orientation of bonds in an sp3 hybridized atom? w)triagonal x)linear y)tetrahedral z)planar
Last Answer : ANSWER: Y -- TETRAHEDRAL
Description : The size of the tetrahedral void in the closest packing of atoms is __________ that of the octahedral void. (A) Equal to (B) Greater than (C) Less than (D) Either (A), (B) or (C); depends on the size of atom
Last Answer : (C) Less than
Description : The shape of a carbon molecule is (a) Linear (b) Planar (c) Cubical (d) Tetrahedral
Last Answer : Ans:(d)
Description : The number of geometrical isomers for octahedral `[CoCl_(4)(NH_(3))_(2)]^(-)`, square planar `[AuBr_(2)Cl_(2)]^(-)` and `[PtCl_(2)(en)]` are
Last Answer : The number of geometrical isomers for octahedral `[CoCl_(4)(NH_(3))_(2)]^(-)`, square planar `[AuBr_(2)Cl_(2)]^(-) ... are A. 4,2 B. 2,2 C. 3,2 D. 2,3
Description : The most common complex ions have octahedral geometry. What is the coordination number of the central ion in an octahedral complex?
Last Answer : ANSWER: SIX
Description : `XeF_(4)` is a square planar molecule. The hybridisation of xenon atom in this molecule is
Last Answer : `XeF_(4)` is a square planar molecule. The hybridisation of xenon atom in this molecule is A. `dsp^(2)` B. `sp^(3)d` C. `sp^(3)d^(2)` D. `d^(2)sp^(3)`
Description : Which one of the following has a square planar geometry? `(Co=27, Ni=28, Fe=26, Pt=78)`
Last Answer : Which one of the following has a square planar geometry? `(Co=27, Ni=28, Fe=26, Pt=78)` A. `[NiCl_(4)]^(2-) ... `[CoCl_(4)]^(2-)` D. `[FeCl_(4)]^(2-)`
Description : The crystl field splitting energy for octahedral complex `(Delta_(0))` and that for tetrahedral complex `(Delta_(1))` rae related as :
Last Answer : The crystl field splitting energy for octahedral complex `(Delta_(0))` and that for tetrahedral complex `(Delta_(1) ... ` D. `Deltat=(9)/(4)Delta_(0)`
Description : There are one octahedral void and __________ tetrahedral void in the closest packing of atoms. (A) One (B) Two (C) Three (D) None of these
Last Answer : Option B
Description : What is the molecular geometry of thiocyanate (pron: thie-owe-SIE-a-nate) ion (SCN minus 1)? w) linear x) angular y) tetrahedral z) pyramidal
Last Answer : ANSWER: W -- LINEAR
Description : What is the molecular geometry of the Bromine Tetraflouride ion (B-F-4-minus 1) w) linear x) angular y) tetrahedral z) pyramidal
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 : 13. Which one of the following pairs is isostructural (i.e. having the same shape and hybridization)? (1) 4 4 [BF and NH ] (2) 3 3 [BCl and BaCl ] (3) 3 3 [NH and NO ] (4) [NF3 and BF3 ] Sol: [1] In both the compounds, central atom i
Last Answer : (1) 4 4 [BF and NH ]
Description : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is thermally stable and has octahedral geometry. `X
Last Answer : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is ... and has octahedral geometry. `X` can be
Last Answer : A yellow coloured crystalline substance gave a colourless gas `X` on reaction with fluorine, which is thermally stable ... `SF_(2)` D. `S_(2)F_(6)`
Description : All the following complexes show decrease in their weights when placed in a magnetic balance then the group of complexes having tetrahedral geometry i
Last Answer : All the following complexes show decrease in their weights when placed in a magnetic balance then the group of ... III C. I,III,IV D. none of these
Description : Which of the following interhalogens exist at room temperature and have central atom hybridization `sp^3d^2`. (a) `ClF_3` (b) `ClF_5` (C) `BrCl_3` (d)
Last Answer : Which of the following interhalogens exist at room temperature and have central atom hybridization `sp^3d^2`. (a ... `lBr_5 `(j) `BrF_3` (k) `ClBr_5`
Description : The number of octahedral void(s) per atom present in a cubic close-packed structure is (1) 4 (2) 1 (3) 3 (4) 2
Last Answer : 1
Description : The electron -pair geometry of the central oxygen atom of ozone is
Last Answer : The electron -pair geometry of the central oxygen atom of ozone is A. linear B. trigonal planar C. tetrahdral D. trigonal bipyramidal
Description : Which of the following statements are false about benzene? (a) It is a planar molecule with bond angles 120°. (b) It is immiscible with water forming the lower layer. (c) It can be ... Ni catalyst. (d) It reacts with ethyl chloride in the presence of aluminium chloride to form ethylbenzene.
Last Answer : It is immiscible with water forming the lower layer
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 : Which of the following statements are correct concerning benzene? (a) Benzene is a planar molecule. (b) The six carbon-carbon bonds have the same length. (c) Benzene has alternating single and double bonds. (d) (a) and (b)
Last Answer : (a) and (b)
Description : Which of the following is a planar molecule? (a) Formaldehyde (b) Acetone (c) Formic acid (d) Acetic acid
Last Answer : Formaldehyde
Description : What is the hybridization of the carbon atom in CH3NH2? (a) 3sp3 (b) sp (c) sp2 (d) sp3
Last Answer : sp3
Description : What is the hybridization of the nitrogen atom in CH3NH2? (a) sp (b) sp2 (c) sp3 (d) s-sp3
Description : What is the hybridization of the oxygen atom in CH3CH2OH? (a) sp (b) 4sp3 (c) sp2 (d) sp3
Description : How many atoms are attached to an atom having a sp hybridization? (a) 0 (b) 1 (c) 2 (d) 3
Last Answer : 2
Description : For which molecule can the bonding be described in terms of sp3 hybrid orbitals of the central atom? w) CH4 x) SF6 y) BF3 z) PCL5
Last Answer : ANSWER: B -- CH4
Description : Which of the following molecule is planar as well as polar :
Last Answer : Which of the following molecule is planar as well as polar : A. `PCl_(3)` B. `SF_(4)` C. `ClF_(3)` D. None of these
Description : Why does H2O molecule have bent geometry Bent geometry?
Last Answer : Ans. Due to repulsion b/n two lone paires of e- present around central atom O
Description : What is the geometry of molecule of type AB4E2 & AB3E
Last Answer : Ans. Square planar & Pyramidal shape