Description : Acetylene reacts with water in the presence of sulfuric acid and mercuric sulfate to give (a) Acetone (b) Acetic acid (c) Formaldehyde (d) Acetaldehyde
Last Answer : Acetaldehyde
Description : Why does a H+ ion attacking a carbon-carbon double bond add to the carbon with the least number of substituents? (a) the reaction is resonance stabilized. (b) the hybrid geometry favors this ... tends to attack stable centers of negative charge. (d) a more stable carbonium ion is generated.
Last Answer : a more stable carbonium ion is generated.
Description : When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis
Last Answer : Skraup synthesis
Description : Sulfuric acid is to reactant as lead sulfate is to ?
Last Answer : Lead sulfate is the product.
Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The battery will be short circuited because the mud space will be filled with lead sulfate B. The electrolyte ... minimum sulfuric acid. D. The plates will be maximum lead oxide and sponge lead minimum lead sulfate.
Last Answer : Answer: C
Description : If the illustrated device is fully discharged, what will be the result? EL-0061 A. The plates will be maximum lead sulfate minimum sponge lead and lead oxide, the electrolyte will be ... lead oxide and sponge lead minimum lead sulfate, the electrolyte will be maximum water minimum sulfuric acid
Last Answer : Answer: A
Description : The plates of a NiCad storage battery are made of ________. A. potassium hydroxide with a small amount of sulfuric acid B. lead and lead peroxide C. silver oxide and lead sulfate D. combinations of nickel powder and nickel & cadmium salts
Last Answer : Answer: D
Description : Which of the problems listed will occur if a lead-acid battery is allowed to remain in a discharged condition for a long period of time? A. The battery may be unable to accept a full charge ... . C. The concentrated sulfuric acid will attack the lead peroxide plates. D. The separators will harden.
Description : The electrolyte used in a nickel-cadmium battery is distilled water and ______________. A. diluted sulfuric acid B. potassium hydroxide C. lead sulfate D. zinc oxide
Last Answer : Answer: B
Description : The H–C–H bond angle in ethylene is (a) 60° (b) 120° (c) 90° (d) 180°
Last Answer : 120°
Description : Aspirin is produced by heating salicylic acid with (a) acetic anhydride in the presence of phosphoric acid (b) benzoic anhydride in the presence of phosphoric acid (c) methyl alcohol in the presence of sulfuric acid (d) phenol in the presence of sulfuric acid
Last Answer : acetic anhydride in the presence of phosphoric acid
Description : For the gaseous phase chemical reaction, C2H4(g) + H2O(g) ↔ C2H5OH(g), the equilibrium conversion does not depend on the (A) Steam to ethylene ratio (B) Temperature (C) Pressure (D) None of these
Last Answer : (D) None of these
Description : Ethanol on heating with concentrated H2SO4 at 170°C gives (a) ethylene (b) ethyl hydrogen sulfate (c) diethyl ether (d) diethyl sulfate
Last Answer : ethylene
Description : Ethyl alcohol can react with concentrated H2SO4 to give (a) Ethylene (b) Diethyl ether (c) Ethyl hydrogen sulfate (d) All of these
Last Answer : All of these
Description : By which of the following methods can CH3CONH2 be converted to CH3CN? (a) Oxidize with Na2Cr2O7/H+ (b) Heat with concentrated sulfuric acid (c) Heat to 200°C (d) Warm with P2O5
Last Answer : Warm with P2O5
Description : The N–H bond in the ammonium ion, NH4+, is formed by the overlap of what two orbitals? (a) sp3–sp3 (b) sp3–sp2 (c) sp2–sp2 (d) sp3–s
Last Answer : sp3–s
Description : Benzoyl chloride reacts with hydrogen in the presence of palladium and barium sulfate to give : (a) Benzyl alcohol (b) Benzaldehyde (c) Cinnamic acid (d) Benzophenone
Last Answer : Benzaldehyde
Description : How many molecules of water are produced if 2.0g of sodium sulfate are produced in the above reactionH2SO4+2NaOH=H2O+Na2SO4?
Last Answer : The reaction requires 2 moles of hydrogen gas and 1 mole of oxygen gas to produce 2 moles of water.
Description : How can I evaluate the thermal relief requirements for double block-in of 98% sulfuric acid?
Last Answer : API RP520 gives equations to calculate relief requirements. For thermal relief, a very simple formula requires the heat input and the coefficient of thermal expansion of the liquid. The heat input could be ... it will sit dead headed for any significant period. Just a small bleed will be enough.
Description : When one heats concentrated sulfuric acid, one molecule of water is eliminated for every two molecules of sulfuric acid. What substance will result from this reaction?
Last Answer : ANSWER: PYROSULFURIC ACID or DISULFURIC ACID
Description : In the following reaction, Alanine acts as a 3 3 3 3 + + → H H | | H N – – COO —— H N – – COOH C C | | CH CH (A) Acid (B) Base (C) Zwitter ion (D) None of these
Last Answer : Answer : C
Description : Oxidation of acetaldehyde with Na2Cr2O7/H+ gives (a) Ethylene glycol (b) Acetic acid (c) Ethanol (d) Acetone
Last Answer : Acetic acid
Description : A compound, C4H6, reacts with bromine and forms a white precipitate with ammoniacal silver nitrate solution. It reacts with dilute H2SO4 in the presence of mercuric sulfate to form 2-butanone. The compound could be (a) 1-Butyne (b) 1-Butene (c) 2-Butyne (d) 2-Butene
Last Answer : 1-Butyne
Description : In the reaction of propene with HCl, H+ ion acts as the : (a) electrophile (b) carbonium ion (c) nucleophile (d) carbanion
Last Answer : electrophile
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 : What is the equation for the reaction between aluminum and sulfuric acid?
Last Answer : The chemical reaction is:2 Al +3 H2SO4 = Al2(SO4)3 + 3 H2
Description : What is the chemical reaction for the hydrolysis of DNA using Sulfuric acid?
Last Answer : Complete hydrolysis of chromosomal nucleic acids gave inorganic phosphate, 2-deoxyribose and four different heterocyclic bases
Description : The C–C bond length in benzene is (a) greater than the C–C bond length in ethane. (b) shorter than the C–C bond length in ethylene. (c) Same as that of C–C bond length in ethylene
Last Answer : intermediate between C–C bond length in ethane and C–C bond length in ethylene
Description : Ethylene reacts with oxygen in the presence of silver catalyst at 300°C to form (a) Diethyl ether (b) Ethylene glycol (c) Ethyl alcohol (d) Ethylene oxide
Last Answer : Ethylene oxide
Description : What type of bond is zinc sulfate?
Last Answer : Zinc sulfate has an ionic bond.
Description : What type of bond is manganese sulfate?
Last Answer : Manganese sulfate has an ionic bond.
Description : Geographic distribution of data across a cloud provider'’ network is a problem for many enterprises because it: A. Breaks compliance regulations B. Adds latency C. Raises security concerns D. Makes data recovery harder
Last Answer : Breaks compliance regulations
Description : Geographic distribution of data across a cloud provider’s network is a problem for many enterprises because it: A. Breaks compliance regulations B. Adds latency C. Raises security concerns D. Makes data recovery harder
Description : What is the trade name for fuming sulfuric acid or smoked sulfuric acid ?
Last Answer : Answer : The trade name for fuming sulfuric acid or smoked sulfuric acid is olium.
Description : What is the physical properties of sulfuric acid ?
Last Answer : Pure sulfuric acid is a thick oily liquid , which is soluble in water in all proportions. When mixed with water, a lot of heat is emitted. When water is added to sulfuric acid, the water can explode in the ... stirring. If the mixture is too hot, wait. When it is cold, you have to add acid again.
Description : Why is it not safe to add water directly to concentrated sulfuric acid ?
Last Answer : Sulfuric acid is a chemical compound. Whose chemical signal is H₂SO₄ . Pouring water with acid is not safe in case of concentrated H₂SO₄ acid dilution. This is because the concentrated H₂SO₄ acid is a ... dilute the acid, the acid is slowly poured into the water without adding water to the acid.
Last Answer : : Sulfuric acid signal : H2SO4
Last Answer : Pure Sulfuric Of acid The other Name Sulfan 3
Description : Oil of vitriol is - (1) nitric acid (2) sulfuric acid (3) hydrochloric acid (4) phosphoric acid
Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or was called "oil of vitriol" by medieval European alchemists because it was prepared by roasting "green vitriol" in an iron retort.
Last Answer : (2) sulfuric acid Explanation: Sulfuric acid or H2SO4 was called “oil of vitriol” by medieval European alchemists because it was prepared by roasting “green vitriol” in an iron retort.
Description : Benzaldehyde reacts with a mixture of concentrated sulfuric acid and nitric acid to give (a) p-Nitrobenzaldehyde (b) o-Nitrobenzaldehyde (c) p-Nitrobenzoic acid (d) m-Nitrobenzaldehyde
Last Answer : m-Nitrobenzaldehyde
Description : A compound of formula C6H12 does not react with concentrated sulfuric acid. The compound could be (a) Alkane (b) Cycloalkane (c) Alkene (d) Cycloalkene
Last Answer : Cycloalkane
Description : Which of the following compounds will react most readily with concentrated sulfuric acid? (a) Ethane (b) Cyclohexane (c) Propane (d) Cyclohexene
Last Answer : Cyclohexene
Description : Which of the following classes of compounds is unreactive toward sulfuric acid? (a) Alkanes (b) Alcohols (c) Alkenes (d) Alkynes
Last Answer : Alkanes
Description : Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide
Last Answer : ANSWER: Y -- HYDROGEN SULFIDE (NOTE: putrescine is a real compounz)
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 is NOT an organic acid? w) butyric (pron: byu-TEER-ik) x) sulfuric y) acetic z) citric
Last Answer : ANSWER: X -- SULFURIC
Description : What acid is prevalent in the human stomach? w) sulfuric acid x) nitric acid y) muriatic acid z) amino acids
Last Answer : ANSWER: Y -- MURIATIC ACID
Description : During the electrolysis of a dilute aqueous solution of sulfuric acid, what happens to the sulfuric acid concentration?
Last Answer : ANSWER: IT REMAINS THE SAME
Description : The action of concentrated sulfuric acid on sugar best described as: w) catalysis x) oxidation y) reduction z) dehydration
Last Answer : ANSWER: Z -- DEHYDRATION