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 : Which alkyne yields propanoic acid as the only product upon treatment with ozone followed by hydrolysis? (a) 1-Butyne (b) 2-Hexyne (c) 1-Pentyne (d) 3-Hexyne
Last Answer : 3-Hexyne
Description : An organic base (X) reacts with nitrous acid at `0^(@)C` to give a clear solution. Heating the solution with KCN and cuprous cyanide followed by conti
Last Answer : An organic base (X) reacts with nitrous acid at `0^(@)C` to give a clear solution. Heating the solution with ... solid. "X" is : A. B. C. D.
Description : The racemic mixture of Alanine `(CH_(3)-underset(NH_(2))underset(|)(C )H-COOH)` can be resolved by using, (1) (+) -2-Butanol (2) (l)-2-Chlorobutanoic
Last Answer : The racemic mixture of Alanine `(CH_(3)-underset(NH_(2))underset(|)(C )H-COOH)` can be resolved by using, (1) ... 3 only C. 2 & 4 only D. 3 & 4 only
Description : In the reaction, `C_(6)H_(5)NH_(2)underset(0-5^(@)C)overset(NaNO_(2)+HCl)rarr(A)underset(KCN)overset(CuCN)rarr(B)overset(H^(+)//H_(2)O)rarr(C)` the pr
Last Answer : In the reaction, `C_(6)H_(5)NH_(2)underset(0-5^(@)C)overset(NaNO_(2)+HCl)rarr(A)underset(KCN)overset(CuCN ... COOH` C. `C_(6)H_(5)OH` D. none of these
Description : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating with Zn and `NH_(4)Cl` followed by
Last Answer : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating ... mixture contains : A. B. C. D.
Description : `CH_(3)OH + PCl_(3) rarr A` `A overset(KCN)rarr B overset("hydrolysis")rarrC`. Then 'C' is
Last Answer : `CH_(3)OH + PCl_(3) rarr A` `A overset(KCN)rarr B overset("hydrolysis")rarrC`. Then 'C' is A. `CH_(3)CH_( ... C. `CH_(3)COOH` D. `CH_(2)OH - CH_(2)OH`
Description : An orgainc compound A upon reacting with `NH_(3)` gives `B` On heating `B` give `C.C` in presence `KOH` reacts with `Br_(2)` to yield `CH_(3)CH_(2)NH_
Last Answer : An orgainc compound A upon reacting with `NH_(3)` gives `B` On heating `B` give `C.C` in presence `KOH ... underset(|)(CH)-COOH` D. `CH_(3)CH_(2)COOH`
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 : Isopropyl alcohol reacts with acidic sodium dichromate to give (a) Acetaldehyde (b) Acetic acid (c) Propionic acid (d) Acetone
Last Answer : Acetone
Description : 1,1-Dichloropropane reacts with aqueous KOH to give (a) 1,1-Propanediol (b) Acetaldehyde (c) Propanone (d) Propyne
Last Answer : Acetaldehyde
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
Description : Ethylmagnesium iodide reacts with formaldehyde to give a product which on acid-hydrolysis forms : (a) an aldehyde (b) a primary alcohol (c) a ketone (d) a secondary alcohol
Last Answer : a primary alcohol
Description : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` and `NH_(4)Cl` gives an octahedral complex Y in the pre
Last Answer : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` ... solution is pink D. Z is a tetrahedral complex.
Description : 1,2-Ethanediol reacts with anhydrous zinc chloride to form (a) Ethylene (b) Acetaldehyde (c) Acetylene (d) Ethyl chloride
Description : Propyne reacts with aqueous H2SO4 in the presence of HgSO4 to form (a) acetone (b) 1-propanol (c) acetaldehyde (d) 2-propanol
Last Answer : acetone
Description : The major product Y in the following sequence of reaction is: Aniline `overset((i) NaNO_(2)//HCl,273K)underset((ii)CuCN//KCN)to(X) overset((i)"DIBAL-H
Last Answer : The major product Y in the following sequence of reaction is: Aniline `overset((i) NaNO_(2)//HCl,273K)underset((ii)CuCN ... H_(2)O)to (Y)` A. B. C. D.
Description : What is the product when `C_(6)H_(5)CH_(2)NH_(2)` reacts with `HNO_(3)`?
Last Answer : What is the product when `C_(6)H_(5)CH_(2)NH_(2)` reacts with `HNO_(3)`?
Description : Which of the following alkenes will give a mixture of acetone and acetaldehyde an ozonolysis? (a) 1-butene (b) 2-methyl-2-butene (c) 2-butene (d) 2-methylpropene
Last Answer : 2-methyl-2-butene
Description : Hydrolysis of lipid yields `:-`
Last Answer : Hydrolysis of lipid yields `:-` A. Fats B. Fatty acids and glycerol C. Mannose and glycerol D. Maltose and fatty acid
Description : Phosphatidic acid on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid, choline (B) Glycerol, fatty acids, phosphoric acid (C) Glycerol, fatty acids, phosphoric acid, Glucose (D) Sphingol, fatty acids, phosphoric acid
Last Answer : Answer : B
Description : Sphingomyelins on hydrolysis yields (A) Glycerol, fatty acids, phosphoric acid and choline (B) Glycerol, sphingosine, choline and fatty acids (C) Sphingosine, phosphoric acid, Glycerol and inositol (D) Sphingosine, fatty acids, phosphoric acid and choline
Last Answer : Answer : D
Description : The sugar that yields only glucose on hydrolysis is (a) Lactose (b) Sucrose (c) Maltose (d) Fructose
Last Answer : Maltose
Description : Acid-catalyzed hydrolysis of ethylene oxide yields (a) CH3CH2OH (b) HOCH2CH2OH (c) CH3CH2CH2OH (d) HOCH2CH2CH2OH
Last Answer : HOCH2CH2OH
Description : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is
Last Answer : Oxidation state of cobalt in `[Co(NH_(3))_(4)(H_(2)O)Cl]SO_(4)` is
Description : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating agent for `Sb_(2)S_(3)` sol is
Last Answer : Among the electrolytes `Na_(2),SO_(4),CaCl_(2),Al_(2)(SO_(4))_(3) and NH_(4)Cl`, the most effective coagulating ... `Al_(2)(SO_(4))_(3)` D. `NH_(4)Cl`
Description : The IUPAC name of the complex `[PT(en)(NH_(3))(cl)_(2)(ONO)][Ag(CN)_(2)]` is :
Last Answer : The IUPAC name of the complex `[PT(en)(NH_(3))(cl)_(2)(ONO)][Ag(CN)_(2 ... (ethane-1,2-diammine) nitritioplatinum(IV) dicyanoargentate (I)
Description : Which kind of isomerism is shown by `Co (NH_(3))_(4) Br_(2) Cl` ?
Last Answer : Which kind of isomerism is shown by `Co (NH_(3))_(4) Br_(2) Cl` ? A. ... Optical and ionization C. Gometrical and optical D. Geometrical only
Description : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2)]Cl` are example of ........ Isomerism
Last Answer : Co-ordination compounds `[Pt(NH_(3))_(3)(NCS)]` and `[Pt(NH_(3))_(2) Cl_(2) ... isomerism B. linkage isomers C. optical isomerism D. hydrate isomerism
Description : The number of geometric isomers that can exist for square planar `[Pt(Cl)(py)(NH_(3))(NH_(2)OH)]^(+)` is (py=pyridine)
Last Answer : The number of geometric isomers that can exist for square planar `[Pt(Cl)(py)(NH_(3))(NH_(2)OH)]^(+)` is (py=pyridine) A. 2 B. 3 C. 4 D. 6
Description : Among `[Ni(CO)_(4)], [NiCl_(4)]^(2-), [Co (NH_(3))_(4) Cl_(2)] Cl, Na_(3) [CoF_(6)], Na_(2)O_(2)` and `CsO_(2)`, the total number of paramagnetic comp
Last Answer : Among `[Ni(CO)_(4)], [NiCl_(4)]^(2-), [Co (NH_(3))_(4) Cl_(2)] Cl, Na_(3) [CoF_(6)], ... total number of paramagnetic compounds is A. 2 B. 3 C. 4 D. 5
Description : Total number of geometrical isomers for the complex `[Rh Cl (CO) (PPh_(3)) (NH_(3))]` is
Last Answer : Total number of geometrical isomers for the complex `[Rh Cl (CO) (PPh_(3)) (NH_(3))]` is
Description : Which kind of isomerism is exhibited by octahedral `[Co(NH_(3))_(4)Br_(2)]Cl` ?
Last Answer : Which kind of isomerism is exhibited by octahedral `[Co(NH_(3))_(4)Br_(2)]Cl` ? A. ... and optical C. Optical and ionization D. Geometrical only
Description : On adding `AgNO_(3)` solution to a solution of `[Pt(NH_(3))_(3)Cl_(3)]Cl`, the percentage of total chloride ion precipitated is
Last Answer : On adding `AgNO_(3)` solution to a solution of `[Pt(NH_(3))_(3)Cl_(3)]Cl`, the percentage of total ... ion precipitated is A. 100 B. 75 C. 50 D. 25
Description : The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is :
Last Answer : The correct IUPAC name of the compound `[Co(NH_(3))_(4)Cl(ONO)]Cl` is ... tetraamminecobalt(III) D. Tetraamminechloridonitrito-O-cobalt(III) chloride
Description : How many compounds liberate `NH_(3)` on heating from the following ? (i) `(NH_(4))_(2)SO_(4) " " (ii) (NH_(4))_(2)CO_(3) " " (iii) NH_(4)Cl` (iv) `NH_
Last Answer : How many compounds liberate `NH_(3)` on heating from the following ? (i) `(NH_(4))_(2)SO_(4) " " (ii) (NH_(4)) ... 3) " " (v) (NH_(4))_(2)Cr_(2)O_(7)`
Description : `XeF_6` on partial hydrolysis with water produces a compound ‘X’. The same compound ‘X’ is formed when `XeF_6` reacts with silica. The compound ‘X’ Is
Last Answer : `XeF_6` on partial hydrolysis with water produces a compound X'. The same compound X' is formed when `XeF_6` ... XeF_4` C. (3)`XeF_2` D. (4)`XeOF_4`
Description : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ?
Last Answer : Ethyl cloride reacts with sodium ethoxide to form a compound (A)Which of the following reaction also yields (A) ... C_(2)H_(2)dilH_(2)SO_(4)HgSO_(4)`
Description : The amount of heat liberated when one mole of `NH_(4)OH` reacts with one mole of HCl is
Last Answer : The amount of heat liberated when one mole of `NH_(4)OH` reacts with one mole of HCl is A. 13.7 ... Kcal C. Less than 13.7 Kcal D. Cannot be prodicted
Description : An organic compound A,`C_(5)H_(8)O` reacts with `H_(2)O, NH_(3)` and `CH_(3)COOH` as described below A is
Last Answer : An organic compound A,`C_(5)H_(8)O` reacts with `H_(2)O, NH_(3)` and `CH_(3)COOH` as described ... 2))underset(||)(C)-underset(H)underset(|)(C)=O`
Description : Phenylmagnesium bromide reacts with CO2 followed by acid-hydrolysis to form : (a) Phenol (b) Benzoic acid (c) Bromobenzene (d) Acetophenone
Last Answer : Benzoic acid
Description : Benzaldehyde reacts with methylmagnesium iodide (followed by hydrolysis) to form (a) 1-Phenylethanol (b) Acetophenone (c) 2-Phenylethanol (c) Benzophenone
Last Answer : 1-Phenylethanol
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 : Total aldol condensation products (including stereosimers) formed by the reaction between acetaldehyde and acetophenone is :
Last Answer : Total aldol condensation products (including stereosimers) formed by the reaction between acetaldehyde and acetophenone is :
Description : Which of the following compounds yields a yellow precipitate when warmed with a mixture of iodine in aqueous sodium hydroxide? (a) Acetophenone (b) Benzaldehyde (c) Benzophenone (d) Propanal
Last Answer : Acetophenone
Description : In what ratio must a person mix three kinds of musted seeds costing Rs.65/kg, Rs.70/kg and Rs.105 /kg so that the resultant mixture when sold at Rs.96/kg yields a profit of 20%? a) 1:2:4 b) 3:7:6 c) 1:4:2 d)1:8:6 e) 40 : 8 : 25
Last Answer : E The resultant mixture is sold at a profit of 20% at Rs.96/kg i.e. 1.2 (cost) = Rs.96 => Cost = = Rs.80 / kg. Let the three varities be A, B, and C costing Rs.65, Rs.70 and Rs.105 respectively. The ... be mixed. A:C=4:5 B:C=2:5 The resultant ratio A : B : C :: 40 : 8 : 25.
Description : Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols
Last Answer : Amino acids
Description : What is the effect of temperature and pressure on the yields of products? a. `N_(2)(s)+3H_(2)(g) hArr 2NH_(3)+x cal` b. `N_(2)(g)+O_(2)(g) hArr 2NO(g)
Last Answer : What is the effect of temperature and pressure on the yields of products? a. `N_(2)(s)+3H_(2)(g) hArr 2NH_(3) ... , II B. II, III C. I, III D. III, IV
Description : `NiCl_(2) overset(KCN)to "complex"A` `NiCl_(2) underset("excess") overset(KCl)to "complex"B` A & B complexes have the co-ordination number 4. The hybr
Last Answer : `NiCl_(2) overset(KCN)to "complex"A` `NiCl_(2) underset("excess") overset(KCl)to "complex"B` A & B complexes have ... ^(2) & sp^(3)` D. both `sp^(3)`