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 : 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 : 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 : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the electrons, from 5p orbitals are excite
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these ... B. Square pyramid C. square planar D. octahedral
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds ... `XeF_(2)` and tetraheddral `XeO_(3)`
Last Answer : Among noble gases, Xe is quite reactive and form a number of fluorides and oxyfluorides. In these compounds the ... ` C. `XeO_(2)F_(2)` D. Xe
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`
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 : 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)`
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 : 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 : Which of the inert gases can form compounds? (1) Helium (2) Xenon (3) Krypton (4) Argon
Last Answer : (2) Xenon Explanation: Xenon compounds are the most numerous of the noble gas compounds that have been formed. Most of them have the xenon atom in the oxidation state of +2, +4, +6, or ... such as fluorine or oxygen. Some of these compounds have found use in chemical synthesis as oxidizing agents.
Description : Give reasons i) H2O is a liquid but H2S a gas. ii) Ammonia has higher boiling point than phosphine ii) Krypton & xenon make compounds.
Last Answer : Ans: i) Hydrogen bond is found in H2O but not in H2S. ii) Hydrogen bond is found in NH3 but not in PH3. iii) Because they have low ionization energy.
Last Answer : Xenon
Description : Which has maximum number of oxo groups ?
Last Answer : Which has maximum number of oxo groups ? A. `H_(2)SO_(4)` B. `H_(2)SO_(3)` C. `H_(3)PO_(3)` D. `H_(3)PO_(4)`
Description : Which oxo acids of sulphur contain S-S bonds ?
Last Answer : Thio acids Thio sulphuric acid is.
Description : Oxo process is related to?
Last Answer : Alcohol
Description : The immediate precursor for glumatic acid production by Corynebacterium glutamicumis A.lysine B.oxoacetate C.citrate D.2-oxo-glutarate
Last Answer : D.2-oxo-glutarate
Last Answer : .2-oxo-glutarate
Description : What are Oxo-Acids?give ex .
Last Answer : Oxo-acids are those in which the acidic proton is on a hydroxyl group with an oxo group attached to the same atom e.g., carbonic acid, H2CO3 (OC(OH)2; sulphuric acid, H2SO4 (O2S(OH)2).
Description : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`
Last Answer : Find the number of compounds among the following whose hydrolysis is a non-redox reaction. `XeF_(2),XeF_(4),XeF_(6),XeO_(2)F_(2),XeOF_(4),Xe,XeO_(3)`
Description : Which of the following compounds will react with methylmagnesium iodide followed by acid-hydrolysis to give ethyl alcohol? (a) Ethylene (b) Acetaldehyde (c) Formaldehyde (d) Acetone
Last Answer : Formaldehyde
Description : Which of the following compounds on hydrolysis gives propyne? (a) CaC2 (b) Mg2C3 (c) Al4C3 (d) Cu2Cl2
Last Answer : Al4C3
Description : Which of the following compounds on hydrolysis gives acetylene? (a) CaC2 (b) Mg2C3 (c) Al4C3 (d) Cu2Cl2
Last Answer : (a) CaC2
Description : The setting and hardening of cement after addition of water is due to a) Binding action of water b) Evaporation of water c) Hydration and hydrolysis of some constituent compounds of cement* d) Additional hardening compounds added to cement
Last Answer : c) Hydration and hydrolysis of some constituent compounds of cement*
Description : Hydrolysis of ester in catalysed by acid. Rate of hydrolysis of ester were obtained initially and after some ester has been hydrolysed as `R_(0)` and
Last Answer : Hydrolysis of ester in catalysed by acid. Rate of hydrolysis of ester were obtained initially and after some ... 0) gt R_(t)` D. Cannot be determined
Description : The final product obtained on hydrolysis of `PCl_(5)` is
Last Answer : The final product obtained on hydrolysis of `PCl_(5)` is A. `H_(3)PO_(4)` B. `H_(3)PO_(3)` C. `POCl_(3)` D. `PH_(3)`
Description : Adipose tissue which is a store house for triacyl glycerol synthesis the same using (A) The glycerol released by hydrolysis of triacyl glycerol (B) The glycerol-3-phosphate obtained in the metabolism of glucose (C) 2-phosphoglycerate (D) 3-phosphoglycerate
Last Answer : Answer : B
Description : The monosaccharide obtained by hydrolysis of starch is : (a) D-Glucose (b) Maltose (c) D-Galactose (d) D-Ribose
Last Answer : D-Glucose
Description : Ethylene is obtained from ethyl bromide by : (a) Simple heating (b) Hydrolysis (c) Dehydrohalogenation (d) Nucleophilic substitution
Last Answer : Dehydrohalogenation
Description : Gelatine which is a nitrogenous organic protein is obtained by the hydrolysis of (A) Collagen (B) Tannin (C) Molasses (D) Carbohydrate
Last Answer : (A) Collagen
Description : Does the temperature of tap water affect fluoride's effectiveness in protecting teeth?
Last Answer : https://fluorideresearch.org/484/files/FJ2015_v48_n4_p338-344_sfs.pdf
Description : Hydrogen fluorides is a liquid at room temperature due to
Last Answer : Hydrogen fluorides is a liquid at room temperature due to A. dimerisation B. dissociation followed by aggregation C. association D. polymerisation
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 : Which of the following fluorides of Xe has zero dipole moment ?
Last Answer : Which of the following fluorides of Xe has zero dipole moment ? A. `XeF_(2)` B. `XeF_(6)` C. `XeF_(4)` D. Both (1) & (3)
Description : What causes the mottling of the dental enamel? (1) High levels of chlorine in water (2) High levels of nitrate in the water (3) High levels of fluorides in the water (4) High levels of calcium in the water
Last Answer : (3) High levels of fluorides in the water Explanation: The mottling of dental enamel is an extremely common disorder, characterized by hypomineralization of tooth enamel caused by ingestion of ... toothpaste, use of fluoride tablets, and consumption of processed foods made with fluoridated water.
Description : Why are transition metal fluorides are ionic in nature where as chlorides and bromides are covalent in nature .
Last Answer : Ans - It is because of fluorine is most electronegative where as Cl and Br are less electro negative . Greater the difference in electro negativity more will be ionic character .
Description : Ultraviolet radiations from sunlight causes a reaction that produces (a) fluorides (b) carbon monoxide (c) sulphur dioxide (d) ozone.
Last Answer : (d) ozone.
Description : Pick out the wrong statement. (A) Loamy soil is the best soil for vigorous plant growth, while the clayey soil is solid and hence the plant roots penetrate with difficulty (B) Large ... vegetables (D) Cereal crops grown on alkaline soil absorb higher amount of fluorides thereby spreading fluorosis
Last Answer : (C) Application of large excess of Potassic fertiliser in soil increases the valuable carotene in fruits and vegetables
Last Answer : High levels of fluorides in the water
Description : Water cannot be used to extinguish fire caused by electric current, because – (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring
Last Answer : (1) it may cause electrocution Explanation: Using water for putting out electric fires is risky, as the firemen can be electrocuted by the water jet. Water is a good conductor of ... jet directly into the hands of the person who is holding the waterhose, resulting in immediate electrocution
Description : Water cannot be used to extinguish fire caused by electric current, because (1) it may cause electrocution (2) it may cause hydrolysis (3) it may cause electrolysis (4) it may spoil the wiring
Last Answer : it may cause electrocution
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 : 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`