Description : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is
Last Answer : Sulphur trioxide is dissolved in heavy water to form a compound X. The hybridisation state of sulphur in X is A. `SP^ ... `SP^(3)` C. SP D. `dSP^(2)`
Description : `Mf + XeF_(4) rarr M^(+) A^(-) (M^(+)-` alkali metal cation) The state of hybridisation of the central atom in A and sphere of the species are:
Last Answer : `Mf + XeF_(4) rarr M^(+) A^(-) (M^(+)-` alkali metal cation) The state of hybridisation of ... )d^(3)`, pentagonal planar D. no compound formed at all
Description : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide?
Last Answer : Number of `S-O-S` bonds and hybridisation of sulphur in `gamma`-form of sulphur trioxide? A. `3,sp^(2)` B. `2,sp^(2)` C. `3,sp^(3)` D. `0,sp^(3)`
Description : What is the hybridisation of sulphur in `H_(2)SO_(4)` ?
Last Answer : What is the hybridisation of sulphur in `H_(2)SO_(4)` ? A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d^(2)`
Description : The hybridisation of sulphur in `SF_(6)` is
Last Answer : The hybridisation of sulphur in `SF_(6)` is A. `sp^(3)` B. `d^(2)sp^(3)` C. `sp^(3)d^(2)` D. `sp^(3)d`
Description : The hybridisation of sulphur in `SF_(4)` is
Last Answer : The hybridisation of sulphur in `SF_(4)` is A. `sp^(3)` B. `sp^(3)d` C. `dsp^(2)` D. `sp^(3)d^(2)`
Description : What is hybridisation on the central atom of `SiO_(2)`.
Last Answer : What is hybridisation on the central atom of `SiO_(2)`. A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d`
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 is a correct pair with respect to molecular formula of xenon compound and hybridisation state of xenon in it ?
Last Answer : Which one of the following is a correct pair with respect to molecular formula of xenon compound and hybridisation state ... sp^(3)d` D. `XeF_(4), sp`
Description : An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding electron loses all its kinetic energ
Last Answer : An electron collides with a fixed hydrogen atom in its ground state. Hydrogen atom gets excited and the colliding ... eV C. 12.1 eV D. 13.6 eV
Description : Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ultravoilet and visible regions are r
Last Answer : Hydrogen atom electron is excited to n = 4 state , in the spectrum of emitted radiation , number of lines in the ... 1 , 3 C. 2 , 3 D. 3 , 2
Description : The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is
Last Answer : The energy required to excite an electron from the ground state of hydrogen atom to the first excited state, is A. ... 10.2 eV C. 0.85 eV D. 12.75eV
Description : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 eV. Calculate (a) the kinetic energy and (b) the de Broglie
Last Answer : An electron , in a hydrogen-like atom, is in excited state. It has a total energy of -3.4 ... and (b) the de Broglie wavelength of the electron.
Description : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This excited atom can make a transition to the first exci
Last Answer : A hydrogen like atom (atomic number `z`) is in a higher excited state of quantum number `n`. This ... eV` respectively. Determine the value of `(n+z)`
Description : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited atom can make a transition to the first excited s
Last Answer : A hydrogen like atom (atomic number Z) is in a higher excited state of quantum number n. The excited ... . (lonization energy of H-atom = 13.6 eV)
Description : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13.6 Z^(2))/(n^(2))` When this excited makes a transition from e
Last Answer : Consider a hydrogen-like atom whose energy in nth excited state is given by `E_(n) = (13. ... number of atom and the intial state or excitation.
Description : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited energy `10.2eV`(a) identify the quantum number n of theupper
Last Answer : A hydrogen atom in a having a binding of `0.85eV`makes transition to a state with excited ... (b) Find the wavelength of the emitted radiation
Description : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a maximum energy photon of 204 eV. If it makes a tr
Last Answer : A hydrogen like atom with atomic number Z is in an excited state of quantum number 2n. It can emit a ... state energy of hydrogen atom is - 13. 6 eV.
Description : Hydrogen atom is excited from ground state to another state with principal quantum number equal to 4. Then the number of spectral lines in the emission spectra will be - (1) 2 (2) 6 (3) 5 (4) 3
Last Answer : (2) 6 Explanation: Number of spectral lines from a state n to ground state is = n (n-1)/2 =4(4-1)/2 =12/2 =6
Description : Write the excited state electronic configuration of carbon atom.
Last Answer : 1s , 2s 2px 2py 2pz
Description : In the phenomenon of Laser production, atom can reside in the excited state only for a) 10-6 s b) 10-7 s c) 10-8 s d) 10-9 s
Last Answer : c) 10-8 s
Description : The incident photon absorbed by an atom in the ground state E1, thereby leaving the atom in the excited state E2 , is a) spontaneous absorption b) stimulated absorption c) induced absorption d) both b & c
Last Answer : d) both b & c
Description : The first acceptor of electrons from an excited chlorophyll molecule of photosystem II is (a) iron-sulphur protein(b) ferredoxin (c) quinone (d) cytochrome.
Last Answer : (c) quinone
Description : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what energy level did it jump? How many spectral lines may be emitted in the
Last Answer : An electron in an excited hydrogen atom acquired an energy of 12.1 eV. To what ... to lower energy level? Calculate the corresponding wavelengths.
Description : Find the number of unpaired electron in the fully excited xenon atom.
Last Answer : Find the number of unpaired electron in the fully excited xenon atom.
Description : Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the carbon marked with asterisk is m
Last Answer : Electronegativity of carbon atoms depends upon their state of hybridisation. In which of the following compounds, the ... 2)-overset(**)CH_(2)-CH_(3)`
Description : X and Y are anhydrides of sulphurous and sulphuric acid respectively. The hybridisation state and the sphape of X and Y are
Last Answer : X and Y are anhydrides of sulphurous and sulphuric acid respectively. The hybridisation state and the sphape of X ... )",planar",sp^(2)",planar "):}`
Description : Are you excited that NatGeo's having a second season of Genius ?
Last Answer : There are so many of them. I hope Marie Curie, Thomas Edison and Isaac Newton will feature in it.
Description : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller than sulphur.
Last Answer : Assertion :-`CO_(2)` molecules is non-polar while `SO_(2)` Reason : - Carbon atom is smaller ... is False. D. If both Assertion & Reason are false
Description : An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino acid has . . . . . . . Molecules :-
Last Answer : An unknown amino acid has `0.32%` sulphur by mass . If each molecule has one sulphur atom only 1 g of amino ... C. `6.02xx10^(24)` D. `6.02xx10^(23`
Description : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in `SF_(6)` prevent the attack of `H_(2)O` on sulphur atom of `SF_
Last Answer : Assertion:- `SF_(6)` cannot be hydrolysed but `SF_(4)` can be. Reason:- Six F atoms in ` ... D. Statement-I is not correct and Statement-II is correct
Description : The number of lone pairs available on the central atom of sulphur tetra fluoride is
Last Answer : The number of lone pairs available on the central atom of sulphur tetra fluoride is
Description : The side chain of which of the following amino acid contain sulphur atom? (A) Methionine (B) Threonine (C) Leucine (D) Tryptophan
Last Answer : Answer : A
Description : Which of the following pair have same hybridisation :-
Last Answer : Which of the following pair have same hybridisation :- A. `ClO_(4)^(-) & ClO_(2)^(-)` B. `SF_(4) & C Cl_(4)` C. `BF_(3) & NF_(3)` D. `CO_(2) & SO_(2)`
Description : Which technique can be helpful in overcoming hybridisation barrier ?
Last Answer : Which technique can be helpful in overcoming hybridisation barrier ? A. Shoot tip culture B. Embyro rescue C. Protoplast fusion D. Both B and C
Description : Somatic hybridisation is achieved through ?
Last Answer : Somatic hybridisation is achieved through ? A. Grafting B. Protoplast fusion C. Conjugation D. Recombinant DNA technology
Description : The number of O atoms having `sp^(2)` hybridisation in `P_(4)O_(10)` molecule is:
Last Answer : The number of O atoms having `sp^(2)` hybridisation in `P_(4)O_(10)` molecule is:
Description : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the complex is:
Last Answer : In the complexes [SbF_(5)]^(2-),sp^(3)d` hybridisation is present. Geometry of the ... B. Square bipyramidal C. Tetrahedral D. square planar
Description : An octahedral complex of `Co^(3+)` is diamagnetic . The hybridisation involved in the formation of the complex is :
Last Answer : An octahedral complex of `Co^(3+)` is diamagnetic . The hybridisation involved in the formation of the complex is : A. ... `d^(2)sp^(3)` D. `sp^(3)d`
Description : Nickel (Z=28) combines with a uninegative monodenatate ligands to form a diamagnetic complex `[NiL_(4)]^(2-)`. The hybridisation involved and the numb
Last Answer : Nickel (Z=28) combines with a uninegative monodenatate ligands to form a diamagnetic complex `[NiL_(4)]^(2-)`. The ... dsp^(2)`, one D. `sp^(3)`, zero
Description : Both `[Ni(CO)_(4)] and [Ni(CN)_(4)]^(2-)` are diamagnetic. The hybridisation of nickel in these complexes, respectively are :
Last Answer : Both `[Ni(CO)_(4)] and [Ni(CN)_(4)]^(2-)` are diamagnetic. The hybridisation of nickel in these complexes, ... (2),sp^(3)` D. `dsp^(2),sp^(2)`
Description : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are :
Last Answer : The hybridisation and unpaired electrons in `[Fe(H_(2)O)_(6)^(2+)]` ion are : A. `sp^(3)d^(2)`,4 B. `d^(2)sp^ ... . `d^(2)sp^(3)`,4 D. `sp^(3)d^(2),2`
Description : Match Column-I with Column-II and select the correct answer with respect to hybridisation using the codes given below .
Last Answer : Match Column-I with Column-II and select the correct answer with respect to hybridisation using the codes given below . A ... )","(IV)"),(q,p,s,r):}`
Description : Find out the correct sentence. Hybridisation means crossing between genetically dissimilar plants Cross between two varieties is called as inter speci
Last Answer : Find out the correct sentence. Hybridisation means crossing between genetically dissimilar plants Cross between two ... (iii) D. (iii) and (iv)
Description : The bond angle and hybridisation in ether `(CH_3 OCH_3)` is :
Last Answer : The bond angle and hybridisation in ether `(CH_3 OCH_3)` is : A. sp B. `sp^(2)` C. `sp^(3)` D. `sp^(3)d`
Description : Which of the following pairs of Xenon compounds and their structure, hybridisation are correctly matched ?
Last Answer : Which of the following pairs of Xenon compounds and their structure, hybridisation are correctly matched ? A. `XeF_( ... )` octanedral `(sp^(3)d^(2))`
Description : Match the compounds give in Column I with the hybridisation an shape given in Column II and mark the correct option. Codes
Last Answer : Match the compounds give in Column I with the hybridisation an shape given in Column II and mark the correct option. Codes ... (A,B,C,D),(4,1,2,3):}`
Description : The increasing d-character in hybridisation of Xe in `XeF_(2), XeF_(4), XeF_(6)` is
Last Answer : The increasing d-character in hybridisation of Xe in `XeF_(2), XeF_(4), XeF_(6)` is A. `XeF_(2)lt XeF_(4) ... (2)` D. `XeF_(2)lt XeF_(6)lt XeF_(4)`
Description : The hybridisation of Xe is `sp^(3)d^(2)` in
Last Answer : The hybridisation of Xe is `sp^(3)d^(2)` in A. `XeF_(2)` B. `XeO_(4)` C. `XeF_(4)` D. `XeO_(3)`