Last Answer : Reaction Time Multiple Of the reactant In That Reagent The rest No So Limiting Reagent.
Description : What is the answer and how did you get it using the balanced equation from problem 4 Determine the limiting reagent if you start with 200 grams of sodium hydroxide and 100 grams of sulfuric acid?
Last Answer : The chemical equation is:2 NaOH + H2SO4 = Na2SO4 + 2 H2OMolar mass of sodium hydroxide is 39,9971 g; molar mass of sulfuric acid is 98,079 g.2 . 39,9971 g NaOH----------------------98,079 g H2SO4200 g ... ---------xx = (200 x 98,079)/2 . 39,9971 = 245 g H2SO4So sulfuric acid is the limiting reagent.
Description : In the reaction M g C I 2 plus 2 KO H - and gt MG OH 2 plus 2 K CI if 1 mole Mg CI 2 is added to 3 moles KO H what is the limiting reagent?
Last Answer : Feel Free to Answer
Description : What is Lucas Reagent ?
Last Answer : : A mixture of concentrated HCl and insoluble ZnCl2 is called Lucas reagent.
Description : Alcoholic OH) group can be identified by : (1) Tolien's Reagent Test (2) Esterification Test (3) FeCl3 Test (4) Ozonolysis Reaction
Last Answer : (3) FeCl3 Test Explanation: As phenol is an aromatic alcohol, so FeCl3 test is a test for alcohol and esterificaton test is also a test for alcohol. The ferric chloride test is used to determine the presence or absence of phenols in a given sample (for instance natural phenols in a plant extract).
Description : What is Grignard reagent?
Last Answer : Ans. Alkyl magnesium halides
Description : Write the name of reagent use for initating a free radical chain reaction.
Last Answer : Ans: Tertiary Butyle peroxaide.
Description : Benzaldehyde does not react with (a) Tollens' reagent (b) Phenylhydrazine (c) Fehling's solution (d) NaHSO3
Last Answer : Fehling's solution
Description : Benzaldehyde can be distinguished from acetophenone by using : (a) Tollens' reagent (b) Lucas reagent (c) Fehling's reagent (d) All of these
Last Answer : Tollens' reagent
Description : The reagent that can be used to differentiate an aldose and a ketose is : (a) Bromine water (b) Fehling's solution (c) Tollens' reagent (d) None of these
Last Answer : Bromine water
Description : Which of the following compounds reduces Tollens' reagent? (a) Glucose (b) Sucrose (c) Methanol (d) Acetic acid
Last Answer : Glucose
Description : Which of the following statements is false about sucrose? (a) It is also called table sugar. (b) It may be fermented by yeast to produce alcohol. (c) It reduces Fehling's solution. (d) It does not reduce Tollens' reagent.
Last Answer : It reduces Fehling's solution
Description : Which of the following compounds will dissolve in aqueous NaOH after undergoing reaction with Hinsberg reagent? (a) CH3CH2NH2 (b) (CH3CH2)2NH (c) (CH3CH2)3N (d) (CH3)3N
Last Answer : CH3CH2NH2
Description : Hinsberg's reagent is (a) Pd + BaSO4 (b) p-Toluenesulfonic acid (c) NH2NH2 + KOH (d) Benzenesulfonic acid
Last Answer : Benzenesulfonic acid
Description : Which reaction does not yield an ester as one of the products? (a) A carboxylic acid is heated with an alcohol (b) A Grignard reagent is added to a carboxylic acid (c) An acid halide is treated with an alcohol (d) An alkyl halide is heated with the salt of a carboxylic acid
Last Answer : A Grignard reagent is added to a carboxylic acid
Description : Which of the following compounds will react with Tollens' reagent to give metallic silver? (a) Formic acid (b) Ethyl alcohol (c) Acetic acid (d) Acetone
Last Answer : Formic acid
Description : Acetaldehyde on treatment with Tollens' reagent gives a precipitate of (a) Ag (b) AgNO3 (c) Cu2O (d) None of these
Last Answer : Ag
Description : Which of the following reagents will react readily with both aldehydes and ketones? (a) Grignard reagent (b) Fehling's reagent (c) Tollens' reagent (d) Schiff's reagen
Last Answer : Grignard reagent
Description : Which of the following compounds will react fastest with Lucas reagent? (a) 1-propanol (b) 2-methyl-1-propanol (c) 2-propanol (d) 2-methyl-2-propanol
Last Answer : 2-methyl-2-propanol
Description : Which of the following compounds reacts slowest with Lucas reagent at room temperature? (a) 1-butanol (b) 2-propanol (c) 2-butanol (d) 2-methyl-2-propanol
Last Answer : 1-butanol
Description : The compound which reacts most readily with Lucas reagent is (a) CH3CH2Cl (b) (CH3)2CHOH (c) CH3CH2OH (d) (CH3)3COH
Last Answer : (CH3)3COH
Description : Which of the following alcohols can be prepared by the reaction of methyl formate with excess Grignard reagent? (a) 1-pentanol (b) 2-pentanol (c) 3-pentanol (d) 2-methyl-2-pentanol
Last Answer : 3-pentanol
Description : Which of the following is correct? (a) When a Grignard reagent reacts with a ketone, the addition product is a primary alcohol. (b) When a Grignard reagent reacts with a ketone, the addition product ... with a aldehyde, the addition product is a tertiary alcohol. (d) None of the above are correct.
Last Answer : None of the above are correct.
Description : Which is the best reagent to accomplish the following conversion? (a) Conc. H2SO4 (b) Na (c) Conc. HCl (d) Mg, then H2O
Last Answer : Mg, then H2O
Description : The Grignard reagent, CH3CH2MgBr, can be used to prepare (a) Ethane (b) 3-Ethyl-3-pentanol (c) Propanoic acid (d) All of these
Last Answer : All of these
Description : 1-Butyne can be distinguished from 2-butyne by using (a) potassium permanganate (b) bromine in CCl4 (c) Tollens' reagent (d) chlorine in CCl4
Last Answer : chlorine in CCl4
Description : Ethylene and acetylene can be distinguished by using (a) Bromine in CCl4 (b) Tollens' reagent (b) Baeyer's reagent (d) Phenylhydrazine
Description : The reagent needed to convert 2-butyne to cis-2-butene is : (a) H2/Pt (b) H2/Lindlar’s catalyst (c) Li/NH3 (d) Na/NH3
Last Answer : H2/Lindlar’s catalyst
Description : A hydrocarbon, C6H12, on ozonolysis gives only one product which does not give silver mirror with Tollens' reagent. The hydrocarbon is (a) 2,3-Dimethyl-2-butene (b) 2-Hexene (c) 2-Methyl-2-pentene (d) 3-Hexene
Last Answer : 2,3-Dimethyl-2-butene
Description : Baeyer's reagent is (a) dilute KMnO4 (b) HCl + ZnCl2 (c) Br2 in CCl4 (d) NH2NH2
Last Answer : dilute KMnO4
Description : Which reagent is used for conversion of benzaldehyde into toluene? a. KMnO4/NaOH b. NH2NH2/KOH c. HIO4 d. V2O5
Last Answer : b. NH2NH2/KOH
Description : Collin’s Reagent is? a. K2Cr2O7/H2SO4 b. PCC/CH2Cl2 c. PDC/DCM d. CrO3/pyridine
Last Answer : d. CrO3/pyridine
Description : CH3CHO and C6H5CH2CHO can be distinguished chemically by (1) Fehling solution test (2) Benedict test (3) Iodoform test (4) Tollen’s reagent test
Last Answer : Iodoform test
Description : Bayer’s reagent is (1) Alkaline potassium permanganate (2) Acidified potassium permanganate (3) Hydrogen peroxide (4) Bromine water
Last Answer : Alkaline potassium permanganate
Description : Alcoholic (– OH) group can be identified by : (1) Tollen's Reagent Test (2) Esterification Test (3) FeCl3 Test (4) Ozonolysis Reaction
Last Answer : FeCl3 Test
Description : What is meant by ‘limiting molar conductivity’? -Chemistry
Last Answer : The molar conductivity of a solution at infinite dilution is called limiting molar conductivity and is represented by the symbol Λm.
Description : What reagent is used to test for proteins?
Last Answer : Proteins are detected using Biuret reagent . This turns a mauve or purple colour when mixed with protein.
Description : What is the signal of tolen reagent ?
Last Answer : Tolen reagent signal = [ Ag (No3) 2] 1.
Last Answer : : Alkaline silver nitrate solution is called tolen reagent
Description : `HNO_(2)` acts as an oxidant with which one of the following reagent :-
Last Answer : `HNO_(2)` acts as an oxidant with which one of the following reagent :- A. `KMnO_(4)` B. `H_(2)S` C. `K_(2)Cr_(2)O_(7)` D. `Br_(2)`
Description : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for above reaction is :-
Last Answer : `CH_(2)OHCH_(2)CH_(2)COCH_(3)overset("Reagent")rarr` `CH_(2)OHCH_(2)CH_(2)CH_(2)CH_(3)` Suitable reagent for ... /C_(2)H_(5)ONa` C. Red P + HI D. All
Description : Which reagent (X) is used to convert I to II
Last Answer : Which reagent (X) is used to convert I to II A. `KBr//NaOH` B. `Br_(2)//NaOH` C. `NaHCO_(3)` D. N-Bromo succinamide
Description : In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the carbon chain, the reagent used as sou
Last Answer : In order to prepare a `1^(@)` amine from an alkyl halide with simultaneous addition of one `CH_(2)` group in the ... C_(6)H_(4)(CO)_(2)N^(-)K^(+)`
Description : The best reagent for converting, 2-phenylpropanamide into 1-phenylethanemine is….
Last Answer : The best reagent for converting, 2-phenylpropanamide into 1-phenylethanemine is . A. excess `H_(2)//Pt` B ... `NaBH_(4)`/methanol D. `LiAIH_(4)`/ether
Description : The best reagent for converting 2-phenylpropanamide into 2-phenylpropanamine is….
Last Answer : The best reagent for converting 2-phenylpropanamide into 2-phenylpropanamine is . A. excess `H_(2)` B. ... of red phosphorus D. `LiAIH_(4)` in ether
Description : The suitable reagent for the following reactions is
Last Answer : The suitable reagent for the following reactions is A. `LiAlH_(4)` B. `Na//C_2H_(5)OH` C. `H_(2)//Ni` D. `CH_(2)=O //bar(O)H`
Description : The unbalanced chemical reactions given In list I show missing reagent or condition (?) Which are provided in List II. Match List I with List II and s
Last Answer : The unbalanced chemical reactions given In list I show missing reagent or condition (?) Which are provided in List II. ... (P,Q,R,S),(3,4,2,1):}`
Description : A sample of water from a river was analyzed for the presence of metal ions and the observations were recorded as given below `{:("Reagent added","Obse
Last Answer : A sample of water from a river was analyzed for the presence of metal ions and the observations were recorded as given ... C. `Li^(+)` D. `Mg^(2+)`
Description : An appropriate reagent for the conversion of 1-propanol to 1-propanal is
Last Answer : An appropriate reagent for the conversion of 1-propanol to 1-propanal is A. acidified potassium ... . pyrindium chlorochromate D. acidified `CrO_(3)`