Description : Arrange the following in order of the increasing covalent character : MCl,MBr,MF,MI ( Where M=alkali metal)
Last Answer : Ans. MF < MCI < MB < MI
Description : `XeF_(2)+H_(2)O overset("alkali")rarr A +HF +O_(2)`, then A is
Last Answer : `XeF_(2)+H_(2)O overset("alkali")rarr A +HF +O_(2)`, then A is A. `XeO_(3)` B. `XeO_(4)` C. `XeO_(2)F_(2)` D. `Xe`
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 : When a cation is highly polarizing ? Which alkali metal cation has the highest polarizing power ?
Last Answer : Ans. A cation is highly polarizing if its charge/size ratio is very high.Li+ has the highest polarizing power .
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 : 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_(2)` on hydrolysis (in the presence of alkali) yield :
Last Answer : `XeF_(2)` on hydrolysis (in the presence of alkali) yield : A. `XeOF_(4)` B. `XeO_(3)` C. `XeO_(2)F_(2)` D. Xe
Description : `XeF_(n)` dissolves in HF according to the reaction `xeF_(n) +HF rarr [XeF_(n-1)]^(+) [HF_(2)]^(-)`. What is the value of n?
Last Answer : `XeF_(n)` dissolves in HF according to the reaction `xeF_(n) +HF rarr [XeF_(n-1)]^(+) [HF_(2)]^(-)`. What is the value of n?
Description : The hydrolysis of `XeF_(6)` takes place in the following steps : `XeF_(6) rarr A rarr B rarr XeO_(3)`. Then the correct statement regarding A and B is
Last Answer : The hydrolysis of `XeF_(6)` takes place in the following steps : `XeF_(6) rarr A rarr B rarr ... A is also obtained when `XeF_(6)` reacts with silica
Description : What is the hybridisation of central metal ion and shape of Wilkinson’s catalyst ?
Last Answer : Wilkinson’s catalyst is (PH3 P)3 RhCl. In this Rh has dsp² hybridisation and square planar shape.
Description : `B_(3)^(3-)+Conc.H_(2)SO_(4)+CH_(3)-CH_(2)-OH overset(ignite)rarr(A)` What is the oxidation number of central atom that is responsible for green flame
Last Answer : `B_(3)^(3-)+Conc.H_(2)SO_(4)+CH_(3)-CH_(2)-OH overset(ignite)rarr(A)` What is the ... atom that is responsible for green flame in compound `(A)`?
Description : In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur is
Last Answer : In a compound of sulphur, the sulphur atom is in second excited state. The possible hybridisation of sulphur is A. `sp^ ... sp^(3)` (or) `sp^(3)d^(2)`
Description : `25ml` of a `0.1(M)` solution of a stable cation of transition metal `z` reacts exactly with `25 ml` of `0.04(M)` acidified `KMnO_(4)` solution. Which
Last Answer : `25ml` of a `0.1(M)` solution of a stable cation of transition metal `z` reacts exactly with `25 ml` of `0.04 ... 3+)rarrZ^(4+)` D. `Z^(2+)rarrZ^(4+)`
Description : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is
Last Answer : The number of lone pairs of electrons on xenon atom in `XeF_(4)` molecule is A. 4 B. 3 C. 2 D. zero
Description : Calculate potential of a metal plate of charge 28C and capacitance 12 mF. a) 3.33 kohm b) 2.33 kohm c) 3.33 Mohm d) 2.33 Mohm
Last Answer : b) 2.33 kohm
Description : A list of species having the formula of `XZ_(4)` is given below `XeF_(4), SF_(4), SiF_(4), BF_(4)^(-), BrF_(4)^(-), [Cu(NH_(3))4]^(2+),[FeCl_(4)]^(2-)
Last Answer : A list of species having the formula of `XZ_(4)` is given below `XeF_(4), SF_(4), SiF_ ... the total number of species having a square planar shape is
Description : When `XeF_(4)` donates its fluoride to `SbF_(5)`, then the states of hybridization of central atoms of cationic part and anionic part of the product f
Last Answer : When `XeF_(4)` donates its fluoride to `SbF_(5)`, then the states of hybridization of central atoms of cationic part ... ` D. `sp^(3)d,sp^(3)d^(2)`
Description : Interspecific hybridisation is the mating of (a) animals within same breed without having common ancestors (b) two different related species (c) superior males and females of different breeds (d) more closely related individuals within same breed for 4-6 generations.
Last Answer : (b) two different related species
Description : If C is creep coefficient, f is original pre-stress in concrete, m is modular ratio, E is Young's modulus of steel and e is shrinkage strain, the combined effect of creep and shrinkage is: (A) (1 - C)mf - eE B) (C - 1)mf + eE (C) (C - 1)mf - eE (D) (1 - C)mf + eE
Last Answer : Answer: Option B
Description : Alkali metal hydrogen fluorides have a formula `M[HF_2]`. They are found to contain a linear symmetrical anion having an overall F—H—F distance of 2.2
Last Answer : Alkali metal hydrogen fluorides have a formula `M[HF_2]`. They are found to contain a linear symmetrical ... F-atoms through two T bonds in the anion.
Description : In the addition of hydrogen bromide to alkynes, which of the following species is believed to be an intermediate? (a) vinyl anion (b) vinyl cation (c) vinyl radical (d) carbene
Last Answer : vinyl cation
Description : A solid metal sphere of volume 0.31m^3 is dropped in an ocean where water pressure is 2 × 10^7 N/m^2.
Last Answer : A solid metal sphere of volume 0.31m3 is dropped in an ocean where water pressure is 2 107 N/m2. ... bulk modulus of the metal is 6.1 1010 N/m2
Description : Which of the following species is non polar with presence of polar bond and lone pair of electron on central atom.
Last Answer : Which of the following species is non polar with presence of polar bond and lone pair of electron on central atom. A. ... 4)` C. `XeF_(4)` D. `CF_(4)`
Description : Which of the following species contains three bond pairs and one lone pair around the central atom? (1) PCl3 (2) H2O (3) BF3 (4) NH2
Last Answer : PCl3
Description : Identify the metal `M` whose extraction is based on the following reactions: `MS +2O_(2)rarr MSO_(4)` `2MS +3O_(2)rarr 2MO +2SO_(2)` `MS +2MO rarr 3M
Last Answer : Identify the metal `M` whose extraction is based on the following reactions: `MS +2O_(2)rarr MSO_(4)` `2MS + ... 4),Pb, PbO` D. `PbS,PbSO_(4) , PbO`
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 : The coordination number of a central metal atom in a complex is determined by:
Last Answer : The coordination number of a central metal atom in a complex is determined by: A. the number of ... ligands around a metal ion bonded by sigma bonds
Description : Oxidation number of central metal atom in the complex formed during the exraction of Ag in the Mac,Arthur forrest process.
Last Answer : Oxidation number of central metal atom in the complex formed during the exraction of Ag in the Mac,Arthur forrest process.
Description : How many N atom are present in final product `overset(Sn//HCl)rarr overset(NaNO_(2)//HCl)rarr overset(H_(3)PO_(2))rarr` Final product.
Last Answer : How many N atom are present in final product `overset(Sn//HCl)rarr overset(NaNO_(2)//HCl)rarr overset(H_(3)PO_(2))rarr` Final product.
Description : `P_(4)(s) + 3OH^(-) (aq) + 3H_(2)O (I) rarr PH_(3) (g) + 3H_(2)PO_(2)^(-) (aq)` In the above equation, the species getting oxidized and reduced respec
Last Answer : `P_(4)(s) + 3OH^(-) (aq) + 3H_(2)O (I) rarr PH_(3) (g) + 3H_(2)PO_(2)^(-) (aq)` In the above equation ... ` C. `P_(4) and H_(2)O` D. `P_(4) and P_(4)`
Description : Ps3 and Sony DRC-MF Trinitron WEGA television connection problem!
Last Answer : check that you are using a video input not a componet input, then reset the ps3 by holding the power button down for 2 beeps – video will reset to lower level
Description : What is the full form of 'MF' ? -How To ?
Last Answer : The full form of 'MF' is Mutual Fund
Description : Helosia! Can anyone link to a free downloadable 7th grade workbook solution ?!
Last Answer : https://pdfcoffee.com/qdownload/fizika-7-mf-megoldas-3-pdf-free.html
Description : In the circuit shown in figure : `R = 10 Omega , L = (sqrt(3))/(10) H, R_(2) = 20 Omega` and `C = (sqrt(3))/(2) mF`. Current in `L - R_(1)` circuit is
Last Answer : In the circuit shown in figure : `R = 10 Omega , L = (sqrt(3))/(10) H, R_(2) = 20 Omega` and `C = (sqrt(3)) ... ` B. `90^(@)` C. `180^(@)` D. `60^(@)`
Last Answer : In the circuit shown in figure : `R = 10 Omega , L = (sqrt(3))/(10) H, R_(2) = 20 Omega` and `C = (sqrt( ... 10 sqrt(2) A` C. `20 sqrt(2) A` D. `25 A`
Last Answer : In the circuit shown in figure : `R = 10 Omega , L = (sqrt(3))/(10) H, R_(2) = 20 Omega` and `C = (sqrt(3) ... 2) A` C. `5 sqrt(6) A` D. `5 sqrt(3) A`
Description : What does mf stand for in quantity?
Last Answer : What is the answer ?
Description : In what range of frequencies are most omnidirectional horizontally polarized antennas used? A. VHF, UHF B. VLF, LF C. SH, EHF D. MF, HF
Last Answer : A. VHF, UHF
Description : What is the channel spacing for MF-HF voice frequencies? A. 2.8 kHz B. 500 Hz C. 3.5 kHz D. 3 kHz
Last Answer : D. 3 kHz
Description : A transmitted signal 5 meters in wavelength is received by an antenna coil having a 50-Ω resistance and a 0.01 H inductance. What is the capacitance of the tuner shunting the antenna coil at this point? A. 0.704 fF B. 0.704 μF C. 0.704 nF D. 0.704 mF
Last Answer : A. 0.704 fF
Description : Which frequency bands can be refracted during the day by the D layer? A. VLF B. MF C. LF D. Both VLF and LF
Last Answer : D. Both VLF and LF
Description : Where does the AM broadcast band located in the spectrum band? A. HF band B. VHF band C. LF band D. MF band
Last Answer : D. MF band
Description : Which frequency band is the standard AM radio broadcast? A. HF B. UHF C. MF D. VHF
Last Answer : C. MF
Description : Energy stored in a 2000 mF capacitor charged to a potential difference of 10 V is A. 0.12 J B. 1.3 J C. 0.10 J D. 3 J
Last Answer : 0.10 J
Description : Total capacitance of 300 mF capacitor and a 600 mF in series isA. 300 mF B. 500 mF C. 200 mF D. 1000 mF
Last Answer : 200 mF
Description : Why does the Navy only use the upper and lower ends of the mf band?
Last Answer : Due to the commercial broadcast (AM) band.
Description : Which frequency band is a wavelength of 1200m? a. UHF b. LF c. HF d. MF
Last Answer : b. LF
Description : The Software Maturity Index (SMI) is defined as SMI = [Mf - (Fa + Fc + Fd)] / Mf Where Mf = the number of modules in the current release. Fa = the number of modules in the current release that have ... (A) SMI approaches 1 (B) SMI approaches 0 (C) SMI approaches -1 (D) None of the above
Last Answer : (A) SMI approaches 1
Description : i. What is the area of central sphere? ii. What is the absolute error in reading of diameter of second sphere?
Last Answer : A factory owner kept five identical spheres between two wooden blocks on a ruler as shown in ... error in reading of diameter of second sphere?