Description : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o
Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give ... (S) is: A. B. C. D.
Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration ... respectively, are: A. B. C. D.
Description : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8)H_(8)O`. Q undergoes cannizzaro reactions b
Last Answer : Compounds P and R upon ozonolysis produce Q and S, respectively. The molecular formula of Q and S is `C_(8) ... R , respectively is (are) A. B. C. D.
Description : Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter treatment with aqueous KOH yields comp
Last Answer : Cyclohexene on ozonolysis followed by reaction with zinc dust and water gives compound E. Compound E on furhter ... . Compound F is A. B. C. D.
Description : A tertiary alcohol (H) upon acid-catalysed dehydration gives a product (I). Ozonolysis of (I) leads to compounds (J) and (K). Compound (J) upon reacti
Last Answer : A tertiary alcohol (H) upon acid-catalysed dehydration gives a product (I). Ozonolysis of (I) leads to compounds ... ,PhCOCH_(3)` and `PhCOO^(-)K^(+)`
Last Answer : A tertiary alcohol (H) upon acid-catalysed dehydration gives a product (I). Ozonolysis of (I) leads to ... is formed by the reaction of: B. C. D.
Description : A compound 'X' of the formula `C_(3)H_(8)O` gives iodoform test. On oxidation with acidified `K_(2)Cr_(2)O_(7)X` gave Y. Y also gives iodogorm test. T
Last Answer : A compound 'X' of the formula `C_(3)H_(8)O` gives iodoform test. On oxidation with acidified `K_(2)Cr_(2) ... ` D. `CH_(3)COCH_(3), CH_(3)CHOHCH_(3)`
Description : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2)O` followed by addition of `H_(2)O` give Q the compound Q on treatment with `
Last Answer : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2) ... and Friedel-Crafts acylation D. Dehydration and Friedel-Crafts acylation
Last Answer : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2)O` followed by addition of `H_ ... product S is The product S is A. B. C. D.
Description : Which of the following gives positive Iodoform test : (a) 1-Propanol (b) 2-Propanol (c) 3-Propanol (d) None of these
Last Answer : 2-Propanol
Description : An unknown compound gave a positive Tollens' test. Treatment of the unknown with I2/NaOH gave a solid which was identified as iodoform. The unknown was? (a) Ethanal (b) Acetone (c) Propanal (d) Acetophenone
Last Answer : Ethanal
Description : An alkene (A) `C_(16)H_(16)` on ozonolysis gives only one product (B) `C_8H_8O`. Compound (B) on reaction with NaOH/`I_(2)` yeilds sodium benzoate. Co
Last Answer : An alkene (A) `C_(16)H_(16)` on ozonolysis gives only one product (B) `C_8H_8O`. Compound (B) ... `(H_(2)//Pd-C)` gives a racemic mixture
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 : An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline `KMnO_(4)` , respond iodoform
Last Answer : An organic compound containing one oxygen gives red colour with cerric ammonium nitrate solution , decolourise alkaline ... underset(||)(O)-CH_(3)` D.
Description : Which of the following compounds will give a positive iodoform test? (a) Benzaldehyde (b) 2-Pentanone (c) 3-Hexanone (d) 3-Pentanone
Last Answer : 2-Pentanone
Description : Which of the following compounds does not give a positive iodoform test : (a) Ethanol (b) Ethanal (c) Methanol (d) Propanone
Last Answer : Methanol
Description : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by dehydration of the products gives
Last Answer : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by ... of the products gives A. B. C. D.
Description : Identify the hydrocarbon which on ozonolysis gives :- (a) Only acetone (b) 1 equivalent of propanal + 1 equivalent of formaldehyde (c ) 1 equivalent o
Last Answer : Identify the hydrocarbon which on ozonolysis gives :- (a) Only acetone (b) 1 equivalent of ... 1 equivalent of acetone + 1 equivalent of acetaldehyde
Description : P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. When the mixture of R and S is heated with NaOH
Last Answer : P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. When ... ))overset(|)(C)-CH_(2)-CH=O+CH_(2)=O`
Last Answer : P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. ... (|)overset(CH_(3))overset(|)(C)-CH=CH_(2)`
Last Answer : P is an alcohl which on heating with `Al_(2)O_(3)` forms an alkene Q.Q on ozonolysis produces R and S. ... (3))overset(|)(CH)-CH_(2)-COCl+CH_(3)MgCl`
Description : An organic compound (A), C3H8O, on oxidation gives (B), C3H6O. The compound (B) could be (a) a carbonyl compound (b) an alcohol (c) a carboxylic acid (d) an ether
Last Answer : a carbonyl compound
Description : How many of the following carbonyl compound will give two products after reaction with `NH_(2)OH` :
Last Answer : How many of the following carbonyl compound will give two products after reaction with `NH_(2)OH` :
Description : Which of the following carbonyl compound will give two products after reaction with `NH_(2)OH`:
Last Answer : Which of the following carbonyl compound will give two products after reaction with `NH_(2)OH`:
Description : Oxidation of toluene with chromyl chloride gives benzaldehyde. This reaction is known as (a) Perkin reaction (b) Benzoin condensation (c) Etard's reaction (d) Ozonolysis
Last Answer : Etard's reaction
Description : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as `underset(P)(H_(3)C-Cl)` .
Last Answer : KI in acetone, undergoes `S_(N)2` reaction with each of `P,Q ,R` and S The rates of the reaction very as ` ... R gt Q gt S D. R gt P gt S gt Q
Description : Aromatic carbonyl compound having molecular formula `C_(8)H_(8)O` react with `NH_(2)OH` how many oximes can be formed
Last Answer : Aromatic carbonyl compound having molecular formula `C_(8)H_(8)O` react with `NH_(2)OH` how many oximes can be formed A. 8 B. 10 C. 12 D. 6
Description : Which one of the following can be oxidized to the corresponding carbonyl compound - (1) O-Nitrophenol (2) Phenol (3) 2-methyl-2-hydroxy propane (4) 2-hydroxy propane
Last Answer : (4) 2-hydroxy propane
Description : Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) which upon treatment with HCN gives compound(
Last Answer : Two aliphatic aldehydes (P) and (Q) react in the presence of aqueous `K_(2)CO_(3)` to give compound (R ) ... (P) and (Q), respectively, are: B. C. D.
Description : In catalytic alkylation, higher iso-butane to olefin ratio gives (A) Low final boiling point product (B) Higher yield (C) Both (A) and (B) (D) Neither (A) nor (B
Last Answer : (A) Low final boiling point product
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 : Two aliphatic aldehydes P and Q react in th presence of aqueous `k_(2)CO_(3)` to give compound R, which upon treatment with HCN provides compound S. O
Last Answer : Two aliphatic aldehydes P and Q react in th presence of aqueous `k_(2)CO_(3)` to give compound R, which ... shown below: The compound S is B. C. D.
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 : 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 : 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 : How many of the following compounds would give Iodoform test (1) `s CH_(3) - CO - CH_(2) - CO - OCH_(3)` (2) `C_(6) H_(5) - CO - CH_(2) - CO - C_(6)H_
Last Answer : How many of the following compounds would give Iodoform test (1) `s CH_(3) - CO - CH_(2) - CO - OCH_(3)` (2 ... `CH_(3) - CO - CH_(2) - CHOH - CH_(3)`
Description : Which of the following compounds does not give iodoform test on treatment with I2/NaOH? (a) Ethanol (b) Propanone (c) 2-Propanol (d) Butanone
Last Answer : Butanone
Description : Which of the following compounds will give an iodoform test? (a) Benzoic acid (b) Ethanol (c) Benzyl chloride (d) Methanol
Last Answer : Ethanol
Description : Ozonolysis of benzene gives (a) Formic acid (b) Glyoxal (c) Formaldehyde (d) Glycine
Last Answer : Glyoxal
Description : Ozonolysis of 2-butyne gives (a) Formic acid (b) Propanoic acid (c) Acetic acid (d) Butanoic acid
Last Answer : Acetic acid
Description : Aniline point test of an oil qualitatively indicates the __________ content of an oil. (A) Paraffin (B) Olefin (C) Aromatic (D) Naphthene
Last Answer : (C) Aromatic
Description : Pick out the wrong statement. (A) Alkylation produces a larger iso-paraffin (having higher octane number) from the reaction of an olefin with smaller iso-paraffin (B) Catalytic alkylation processes use HF ... (> 1000°C) (D) Gasoline having an octane number of 90 can be produced by alkylation process
Last Answer : (C) All the alkylation processes use very high temperature (> 1000°C)
Description : The tangent at any point P of a curve C meeta the x-axis at Q whose abscissa is positive and OP = OQ where O is origin, if C is a family of parabola h
Last Answer : The tangent at any point P of a curve C meeta the x-axis at Q whose abscissa is positive and OP = OQ ... , then find value of `(4(alpha+beta))/a` ?
Description : Styrene which is a monomer for the production of polystyrene, is commercially produced by the (A) Catalytic dehydrogenation of ethyl benzene (B) Dehydration of ethyl alcohol followed by hydrogenation (C) Reacting ethylene oxide with acetaldehyde (D) Fermentation of starch
Last Answer : (A) Catalytic dehydrogenation of ethyl benzene