Description : Xenon hexafluoride undergoes hydrolysis in strong alkaline medium:
Last Answer : Xenon hexafluoride undergoes hydrolysis in strong alkaline medium: A. (A) perxenate ion B. `O_2` C. (C) Xenon D. (D) All of the above
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 : In the gaseous diffusion process of uranium enrichment, the natural uranium is converted into gaseous (A) Uranium oxide (B) Uranium hexafluoride (C) Uranium carbide (D) Uranium sulphate
Last Answer : (B) Uranium hexafluoride
Description : Reverse osmosis is normally used for the (A) Separation of isotopes of uranium from gaseous uranium hexafluoride (B) Separation of helium from natural gas (C) Desalination of brackish water to produce potable (drinking) water (D) Purification of oxygen
Last Answer : (C) Desalination of brackish water to produce potable (drinking) water
Description : Which of the following GHGs has the longest atmospheric life time? a) CO2 b) CFC c) Sulfur Hexafluoride (SF6) d) perfluorocarbon (PFC)
Last Answer : d) perfluorocarbon (PFC)
Description : What is the-type of reaction of calcium oxide plus silicon dioxide?
Last Answer : Need answer
Description : The compound that cannot be formed by xenon is
Last Answer : The compound that cannot be formed by xenon is A. `XeO_3` B. `XeF_4` C. `XeCl_4` D. `XeOF_4`
Description : Which of the following is formed by xenon ?
Last Answer : Which of the following is formed by xenon ? A. `XeF_(7)` B. `XeF_(4)` C. `XeF_(5)` D. `XeF_(3)`
Description : Which one of the following reaction of xenon compounds is not Feasible?
Last Answer : Which one of the following reaction of xenon compounds is not Feasible? A. `3XeF_4 + 6H_2O to 2Xe + XeO_3 ... ]` D. `XeO_3 + 6HF to XeF_6 + 3H_2O`
Last Answer : Which one of the following reaction of xenon compounds is not Feasible? A. `XeO_(3)+HF rarr XeF_(6)+H_(2)O` ... XeF_(6)+RbF rarr Rb^(+)[XeF_(7)]^(-)`
Description : In Living organisms During respiration which of the following Products are not formed if oxygen is not available? (a) Carbon dioxide + Water (b) Carbon dioxide + Alcohol (c) Lactic acid + Alcohol (d) Carbon dioxide + Lactic Acid
Last Answer : Answer: (b) Carbon dioxide + Alcohol
Description : What are the chemical signals of silicon dioxide ?
Last Answer : The signal of silicon dioxide is SiO2
Description : Is silicon dioxide an element or a compound?
Last Answer : Silicon dioxide (SiO2) is a compound because it is composed of two elements (Si and O) that are chemically combined.
Description : Both rubies and sapphires contain (a) silicon dioxide (b) lead tetroxide (c) aluminium oxide (d) boron nitride
Last Answer : Ans:(c)
Description : Hydrofluoric acid is not kept in glass bottles because it reacts with - (1) visible light (2) silicon dioxide of glass (3) aluminium oxide of glass (4) sodium oxide of glass
Last Answer : (2) silicon dioxide of glass
Description : The chemist who produced crude silicon from silicon dioxide was
Last Answer : Berzelius.
Description : The chemical name of quartz is: A. Silicon Dioxide (Answer) B. Stannous Oxide C. Aluminium Oxide D. None
Last Answer : A. Silicon Dioxide (Answer)
Description : Inside the ____ is a gas generator containing a mixture of NaN3 (Sodium Azide), KNO3 (Potassium Nitrate) and SiO2 (Silicon Dioxide). When the undesired event happens, an electric circuit is ... chemical reactions generate nitrogen gas that fills ____ in 20 to 30 milliseconds. Fill up the blank
Last Answer : Air-bags in automobiles.
Description : Which of the following substances would be the best choice to neutralize sulfuric acid? w) sodium hydroxide x) silicon dioxide y) copper metal z) phosphorus pentoxide
Last Answer : ANSWER: W -- SODIUM HYDROXIDE
Description : Which of the following substances would be the best choice to neutralize aqueous Sodium Hydroxide? w) sodium carbonate x) silicon dioxide y) aluminum oxide z) phosphorus pentoxide
Last Answer : ANSWER: Z -- PHOSPHORUS PENTOXIDE
Description : Which of the following is not a covalent network solid? w) silicon dioxide x) silicon oxide y) boron nitrate z) sodium oxide
Last Answer : ANSWER: D -- SODIUM OXIDE
Description : Cement is usually a mixture of : (1) Calcium silicate and calcium aluminate (2) Calcium silicate and calcium ferrate (3) Calcium aluminate and calcium ferrate (4) Lime stone and silicon dioxide
Last Answer : Calcium silicate and calcium aluminate
Description : Silicon dioxide is (A) a conductor (B) an insulator (C) a useful circuit element (D) useful as contact in MOSFET
Last Answer : Silicon dioxide is an insulator
Description : What are the consequences of shifting the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water towards the consumption of products of the reverse reaction?
Last Answer : The shifting of the chemical equilibrium of the formation of bicarbonate from carbon dioxide and water into the reverse reaction (production of water and carbon dioxide) means spending of hydrogen ions and thus it increases the solution pH.
Description : What's up with the touch on my LG Xenon?
Last Answer : Have you tried the Touch Calibration feature to correct the touch function?
Description : How do you move all data between two LG Xenon phones?
Last Answer : Try Bluetooth. If you can still access the data then you can transfer via Bluetooth.
Description : Will there be any issues in if I install Mercedes Xenon lights in my car ?
Last Answer : They are hideously bright headlights. The primary issues will only be with the cars in front of you and the temporarily blinded drivers who are operating them.
Description : a gas has a pressure of 766.7 torr at a temperature of 10.0°C. the sample contains 2.35 moles of xenon. what is the volume of the gas in liters?
Last Answer : Using PV=nRT, 10.0ºC = 283.15ºK, R = 62.36 L torr/mol KV= (nRT)/PV = (2.35m*(62.36 L torr/mol K)*283.15ºK)/766.7 TorrV = 54.12 L
Description : Xenon reacts with `P+F_6` to form
Last Answer : Xenon reacts with `P+F_6` to form A. (1) `XeF_2` B. (2) `Xe^(+) [P + F_6]^-` C. (3) `Xe^(-)[Pt F_6]^+` D. (4) `XeF_4`
Description : Which of the following xenon-OXO compounds may not be obtained by hydrolysis of xenon fluorides?
Last Answer : Which of the following xenon-OXO compounds may not be obtained by hydrolysis of xenon fluorides? A. (1) `XeO_2F_2` ... C. (3) `XeO_3` D. (4) `XeO_4 `
Description : The ionisation energy of dioxygen (`O_2`) is very close to that of Xenon. Also F and O have the highest electronegativity and consequently can oxidise
Last Answer : The ionisation energy of dioxygen (`O_2`) is very close to that of Xenon. Also F and O have ... (D) clathrates with He and Ne are highly expolsive.
Last Answer : The ionisation energy of dioxygen (`O_2`) is very close to that of Xenon. Also F and O have ... +6HF underset(Delta)overset("475 K")to XeF_6+3H_2O`
Last Answer : The ionisation energy of dioxygen (`O_2`) is very close to that of Xenon. Also F and O have the highest ... Ill), (lV) D. (D) (I), (lV)
Description : The formation of `O_(2)^(+)[PtF_(6)]^(-)` is the basis for the formation of xenon fluorides. This is because:
Last Answer : The formation of `O_(2)^(+)[PtF_(6)]^(-)` is the basis for the formation of xenon ... energies. D. `O_2` and Xe have comparable electronegativities.
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 : 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 : Xenon hexa fluoride reacts with potassium fluoride to yield
Last Answer : Xenon hexa fluoride reacts with potassium fluoride to yield A. `[XeF_(4)]^(2+) [KF_(3)]^(2-)` B. `K^(+) [XeF_( ... (5)]^(+) [KF_(2)]^(-)` D. `XeF_(4)`
Description : Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom)
Last Answer : Which of the following xenon compound has the same number of lone pairs as in `I_(3)^(-)`? (near central atom) ... XeO_(3)` C. `XeF_(4)` D. `XeO_(4)`
Description : The xenon compounds that are isostructural with `IBr_(2)^(-)` and `BrO_(3)^(-)` respectively are:
Last Answer : The xenon compounds that are isostructural with `IBr_(2)^(-)` and `BrO_(3)^(-)` respectively are: A. ... D. linear `XeF_(2)` and tetrahedral `XeO_(3)`
Description : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :
Last Answer : `XeF_(6)` reacts with silica to form xenon compound X. The oxidation state of Xe in X is :
Description : Which of the possible following florides of xenon is impossible ?
Last Answer : Which of the possible following florides of xenon is impossible ? A. `XeF_(2)` B. `XeF_(3)` C. `XeF_(4)` D. `XeF_(6)`
Description : Xenon tetrafluoride, `XeF_(4)` is:
Last Answer : Xenon tetrafluoride, `XeF_(4)` is: A. tetrahedral and acts as a fluoride donor with `SbF_(5)` B. ... shape and acts as a fluoride donor with `AsF_(5)`
Description : In `XeF_(4)` molecule, xenon undergoes
Last Answer : In `XeF_(4)` molecule, xenon undergoes A. `sp^(3)d` hybridisation in its second excited state ... `sp^(3)d` hybridisation in its fourth excited state
Description : The fluoride of Xenon with zero dipole moment is
Last Answer : The fluoride of Xenon with zero dipole moment is A. `XeF_(6)` B. `XeO_(3)` C. `XeF_(4)` D. `XeO_(2)F_(2)`
Description : How many lone pairs are associated with xenon in xenon difluoride ?
Last Answer : How many lone pairs are associated with xenon in xenon difluoride ? A. 1 B. 2 C. 3 D. 4
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 : 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 : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon
Last Answer : Among noble gases, only xenon reacts with flourine to form stable xenon fluorides, because xenon A. ... D. is the most readily available noble gas
Description : Amomng noble gases, only xenon can form more number of compounds. This is due to ti its
Last Answer : Amomng noble gases, only xenon can form more number of compounds. This is due to ti its A. High ... C. Small size D. less than zero electron affinity
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)`