Description : What are the products formed in the reaction of xenon hexafluoride with silicon dioxide?
Last Answer : What are the products formed in the reaction of xenon hexafluoride with silicon dioxide? A. `XeSiO_(4) +HF` B. ` ... 2)+SiF_(4)` D. `XeO_(3)+SiF_(4)`
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 : 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 : Phosphorus trichloride, `PCl_(3)` undergoes, hydrolysis at room temperature to produce an oxoacid. It has the formula :
Last Answer : Phosphorus trichloride, `PCl_(3)` undergoes, hydrolysis at room temperature to produce an oxoacid. It has the formula : ... 3)PO_(4)` D. `H_(3)PO_(2)`
Description : If an organic compound like glucose undergoes hydrolysis then the reaction is exergonic. True or false?
Last Answer : False. It cannot be exergonic considering the nature of the pyranose ring, a strong structure that requires high pressures and temperatures in order to break it. There is a reference from 1995 [Glucose ... ) is exergonic, that's the reason of why the body (in higher organisms) generates heat.
Description : An aqueous solution of CuSO4 is acidic in nature because the salt undergoes (a) dialysis (b) hydrolysis (c) electrolysis (d) photolysis
Last Answer : Ans:(b)
Description : Ethyl acetoacetate undergoes acid-hydrolysis with dilute HCl to form (a) Acetoacetic acid (b) Succinic acid (c) Acetic acid (d) Adipic acid
Last Answer : Acetoacetic acid
Description : Which of the following statements is False about acetamide? (a) reacts with Br2/NaOH to form tertiary amine (b) undergoes acid-hydrolysis to form acetic acid (c) undergoes dehydration with P2O5 to form a nitrile (d) is a white crystalline solid, soluble in water
Last Answer : reacts with Br2/NaOH to form tertiary amine
Description : Propanenitrile undergoes acid-hydrolysis to give (a) Formic acid (b) Propionic acid (c) Acetic acid (d) Butyric acid
Last Answer : Propionic acid
Description : When formaldehyde is treated with 50% NaOH solution, it undergoes (a) Cannizzaro reaction (b) Wurtz reaction (c) Aldol condensation (d) Hydrolysis
Last Answer : Cannizzaro reaction
Description : Ethylene oxide undergoes acid-hydrolysis to form (a) Ethylene glycol (b) Formic acid (c) Ethyl alcohol (d) Acetic acid
Last Answer : Ethylene glycol
Description : Phenylmagnesium bromide reacts with acetaldehyde to form an addition product which undergoes acid-hydrolysis to give (a) Diphenylcarbinol (b) Benzyl alcohol (c) Methylphenylcarbinol (d) Benzoic acid
Last Answer : Methylphenylcarbinol
Description : Alkaline hydrolysis of oils (or fats) is called : (a) Saponification (b) Fermentation (c) Diazotization (d) Rancidification
Last Answer : Saponification
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 : Which of the following most readily undergoes `E_(2)` elimination with a strong base?
Last Answer : Which of the following most readily undergoes `E_(2)` elimination with a strong base? A. 2- ... -Bromo-2,2-dimethylpropane D. 2-Bromo-3-methylbutane
Description : Which of the alkyl chlorides listed below undergoes dehydrohalogenation in the presence of a strong base to give 2-pentene as the only alkene product? (a) 1-chloropentane (b) 2-chloropentane (c) 3-chloropentane (d) 1-chloro-2-methylbutane
Last Answer : 3-chloropentane
Description : The hydrolysis of a fat using a solution of a strong hydroxide is called: w) neutralization x) esterification y) saponification z) condensation
Last Answer : ANSWER: Y -- SAPONIFICATION
Description : When a wave changes speed as it enters a new medium at an angle it undergoes diffraction?
Last Answer : Need answer
Description : Ethyl alcohol is the hydrolysis product in acidic medium of
Last Answer : Ethyl alcohol is the hydrolysis product in acidic medium of A. `C_(2)H_(5)Cl` B. `CH_(3)CHO` C. `C_(2)H_(4)` D. `C_(2)H_(5) MgI`
Description : p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, the compound B. the latter on acedic hy
Last Answer : p-cresol reacts with chloroform in alkaline medium to give the compound A which adds hydrogen cyanide to form, ... the carboxylic acid is A. B. C. D.
Description : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction between two molecules of acet
Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The ... and 2,8-diketone D. All of these
Last Answer : Carbonyl compound which contains `alpha-H` gives aldol condenation reaction in presence of alkaline medium. The reaction ... )H-(CH_(2))_(4)-CH_(3)`
Description : In alkaline medium , `KMnO_(4)` reacts as follows `2KMnO_(4)+2KOH rarr 2K_(2)MnO_(4)+H_(2)O+O` Therefore, the equivalent mass of `KMnO_(4)` will be
Last Answer : In alkaline medium , `KMnO_(4)` reacts as follows `2KMnO_(4)+2KOH rarr 2K_(2)MnO_(4)+H_(2)O+O` Therefore, the ... 31.6` B. `63.2` C. `126.4` D. 158
Description : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline medium is
Last Answer : During the disproportionation of `I_(2)` to iodide and iodate ions, the ratio of iodate and iodide ions formed in alkaline ... `5:1` C. `3:1` D. `1:3`
Description : `XeO_(3)` forms xenate ion in alkaline medium. `XeO_(3) +NaOH rarr Na[HXeO_(4)]` But the xenate ions slowly disproportionate in alkaline solution as `
Last Answer : `XeO_(3)` forms xenate ion in alkaline medium. `XeO_(3) +NaOH rarr Na[HXeO_(4)]` But the xenate ions slowly ... `Na_(4)XeO_(6)` D. `Na_(4)XeO_(4)`
Description : Riboflavin is heat stable in (A) Acidic medium (B) Alkaline medium (C) Neutral medium (D) Both (A) and (C)
Last Answer : Answer : D
Description : Thiamin is heat stable in (A) Acidic medium (B) Alkaline medium (C) Both (A) and (B) (D) None of these
Last Answer : Answer : A
Description : Most house plants, except cacti, prefer a highly organic and a. Neutral growing medium b. Alkaline growing medium c. Acidic growing medium d. None of above
Last Answer : Acidic growing medium
Description : Which one of the following statements is false in respect of viability of mammalian sperm? (a) Sperm is viable for only up to 24 hours. (b) Survival of sperm depends on the pH of the ... ) Viability of sperm is determined by its motility. (d) Sperms must be concentrated in a thick suspension.
Last Answer : (a) Sperm is viable for only up to 24 hours.
Description : Methyl orange indicator turns (A) Orange yellow in alkaline medium (B) Orange yellow in acidic medium (C) Colourless in acidic medium (D) Colourless in basic medium
Last Answer : (A) Orange yellow in alkaline medium
Description : 70. Which one of the following statements is false in respect of viability of mammalian sperm ? (1) Sperms must be concentrated in a thick suspension (2) Sperm is viable for only up to 24 hours ... the medium and is more active in alkaline medium (4) Viability of sperm is determined by its motility
Last Answer : Sperm is viable for only up to 24 hours
Description : Amylopsin acts upon (a) polysaccharide in any medium (b) polysaccharide in acidic medium (c) polypeptide in any medium (d) Polysaccharide in alkaline medium
Last Answer : (d) Polysaccharide in alkaline medium
Description : For `KMnO_(4)` in strong basic medium correct combination is -
Last Answer : For `KMnO_(4)` in strong basic medium correct combination is - A. (I) (ii) (R) B. (II) (ii) (P) C. (II) (iii) (S) D. (I) (iv) (Q)
Description : Pick up the correct statement about giving up of heat from one medium to other in ammonia absorption system (a) strong solution to weak solution (b) weak solution to strong solution (c) strong solution to ammonia vapour (d) ammonia vapour to strong solution.
Last Answer : Ans: b
Description : Neap tides are – (1) Strong (2) Weak (3) Medium (4) Very strong
Last Answer : (2) Weak Explanation: Neap tides are especially weak tides. They occur when the gravitational forces of the Moon and the Sun are perpendicular to one another (with respect to the Earth). Neap tides occur during quarter moons.
Description : An important requirement for successful transmission system using light ∙ a. Powerful, reliable light source ∙ b. Strong glass ∙ c. Reliable, high cost transmission medium ∙ d. Powerful regenerators
Last Answer : a. Powerful, reliable light source
Description : Neap tides are (1) Strong (2) Weak (3) Medium (4) Very strong
Last Answer : Weak
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`