Description : Living cells have the unique ability to synthesize only _________ the form of optical isomer due to _________. (A) ‘d’ form, stereospecific enzymes (B) ‘l’ form stereospecific enzymes (C) ‘d’ form, DNA (D) ‘L’ form, DNA
Last Answer : Answer : B
Description : An L-isomer of monosaccharide formed in human body is (A) L-fructose (B) L-Erythrose (C) L-Xylose (D) L-Xylulose
Last Answer : D
Description : For the complex [Fe(en)2Cl2], Cl, (en = ethylene diamine), identify (i) the oxidation number of iron, (ii) the hybrid orbitals and the shape of the complex, (iii) the magnetic behaviour of the complex, (iv) ... an optical isomer also, and (vi) name of the complex. (At. no. of Fe = 26) \ -Chemistry
Last Answer : i) [Fe(en)2Cl2] Cl or x + 0 + 2 (-1) + (-1) = 0 x + (- 3) = 0 or x = + 3 ∴ Oxidation number of iron, x = + 3 (ii) The complex has two bidentate ligands and two ... )2Cl2] Cl, only cis-isomer shows optical isomerism. (vi) Name of complex: Dichloridobis (ethane-1, 2- diamine) Iron (III) chloride
Description : Give IUPAC name of the ionization isomer of [Ni(NH3)3NO3]Cl. -Chemistry
Last Answer : IUPAC name : Triammine chlorido nickel (II) nitrate [Ni(NH3)3NO3]Cl
Description : Give IUPAC name of ionization isomer of [Ni(NH3)3NO3]Cl. -Chemistry
Last Answer : IUPAC name : Triammine nitrato nickel (III) chloride
Description : Is allolactose an isomer of lactose? -Biology
Last Answer : answer:
Description : Which one of the following is a Z isomer ?
Last Answer : Which one of the following is a Z isomer ? A. B. C. D.
Description : What single isomer would be found in greatest yield when isopropyl chloride undergoes a Friedel-Crafts alkylation with t-butylbenzene ?
Last Answer : What single isomer would be found in greatest yield when isopropyl chloride undergoes a Friedel-Crafts ... o-isopropyl-t-butylbenzene D. none of these
Description : P and Q are isomer of dicraboxylic acid `C_(4)H_(4)O_(4)` Both decolourixe `Br_(2)//H_(2)O`. On heating , P forms the cyclic anhydride. Upon treatment
Last Answer : P and Q are isomer of dicraboxylic acid `C_(4)H_(4)O_(4)` Both decolourixe `Br_(2)//H_(2)O`. On ... sequences V and W are respectively A. B. C. D.
Description : Which one of the following has an optical isomer ? (en=ethylenediamine )
Last Answer : Which one of the following has an optical isomer ? (en=ethylenediamine ) A. `[Zn(en)(NH_(3))_(2)]^(2+)` B. `[Co( ... en)]^(3+)` D. `[Zn(en)_(2)]^(2+)`
Description : Which of the following has an optical isomer?
Last Answer : Which of the following has an optical isomer? A. `[Co(en)(NH_(3))_(2)]^(2+)` B. `[Co(H_(2)O)_(4)(en)]^(3+) ... _(2)]^(3+)` D. `[Co(NH_(3))_(3)Cl]^(+)`
Description : The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl`
Last Answer : The ionisation isomer of `[Cr(H_(2)O)_(4) Cl (NO_(2))]Cl` A. `[Cr(H_(2)O)_(4)(O_(2)N)]Cl_(2)` B. `[Cr( ... D. `[Cr(H_(2)O)_(4)Cl_(2)(NO_(2))].H_(2)O`
Description : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_((A))` and `U_((Z))` are nuclear isomer
Last Answer : (A) Nuclear isomers have same atomic number and same mass number but with different radioactive properties. `U_ ... both (A) and (R ) are incorrect.
Description : Assertion: `p`-nitrophenol is a stronger acid than `o`-nitrophenol. Reason: Intramolecular hydrogen bonding makes the `o`-isomer weaker than the `p-`i
Last Answer : Assertion: `p`-nitrophenol is a stronger acid than `o`-nitrophenol. Reason: Intramolecular hydrogen bonding ... D. A is incorrect but R is correct
Description : Which of the following is not an isomer of diethyl ether?
Last Answer : Which of the following is not an isomer of diethyl ether? A. 2- methyl -2- propanol B. 2- Methoxypropane C. 2- Methyl -1- proponal D. Ethoxyethane
Description : An isomer of ethanol is:
Last Answer : An isomer of ethanol is: A. Methanol B. Dimethyl ether C. Diethyl ether D. Ethyl glycol
Description : What type of isomer for C2H2Br2?
Last Answer : Probable you think to CH2Br2, dibromomethane.
Description : Gutta percha rubber is (A) Soft & tacky at room temperature (B) An isomer of natural rubber (C) A thermosetting resin (D) Recovered by coagulation of rubber latex
Last Answer : (B) An isomer of natural rubber
Description : which spin isomer would be 100% at OK?
Last Answer : Ans. PARA H2
Description : While separating a mixture of ortho and para-nitro phenols by steam distillation, name the isomer which will be steam volatile. Give reasons.
Last Answer : In o-nitrophenol, there is intramolecular hydrogen bonding as follows : In p-nitrophenol, there is intramolecular hydrogen bonding as follows : Due to intermolecular H ... -nitrophenol. Hence o-nitraphenol due to its lower b. p. is steam volatile while pnitrophenol is not.
Description : Which of the following statements about propene, CH3CH=CH2, is correct? (a) All nine atoms lie in the same plane. (b) The compound has a cis and trans isomer. (c) There is a total of eight sigma bonds. (d) All the carbon atoms are sp2 hybridized
Last Answer : There is a total of eight sigma bonds.
Description : Which compound is not an isomer of the other three? (a) n-Pentane (b) 2,2-Dimethylpropane (c) 2-Methylbutane
Last Answer : 2,3-Dimethylbutane
Description : Lindane is (A) Not a fumigant (B) BHC (Benzene Hexachloride) containing 99% γ-isomer (C) A by-product of BHC manufacture (D) Both (B) and (C)
Last Answer : (B) BHC (Benzene Hexachloride) containing 99% γ-isomer
Description : The covalent bonding of atoms forms a/an a. Molecule. b. Ion. c. Element. d. Isomer.
Last Answer : a. Molecule.
Description : Methyl propane is an isomer of
Last Answer : n-butane
Description : Which of the following is optically inactive? a. equimolar mixture of enantiomers b. Solution of pure enantiomer c. Mixture of enantiomers with enantiomeric excess of one isomer d. Molecule without symmetry elements
Last Answer : a. equimolar mixture of enantiomers