Description : What is the name given to the non-superimposable mirror image forms of chiral compounds? w) cis-trans x) enantiomers y) functional isomers z) diasteriomers
Last Answer : ANSWER: X -- ENANTIOMERS
Description : Which of the following is pair of functional isomers ?
Last Answer : Which of the following is pair of functional isomers ? A. B. C. D.
Description : The isomers of a substance must have (a) same chemical properties (b) same molecular weight (c) same structural formula (d) same functional groups
Last Answer : same molecular weight
Description : Which of the following pairs represents linkage isomers ?
Last Answer : Which of the following pairs represents linkage isomers ? A. `[Pd(PPh_(3))_(2)(NCS)_(2)] and [Pd(PPh_(3))_( ... (4)] and [Pt(NH_(3))_(4)[CuCl_(4))]`
Description : Which of the following pairs of compounds will not form hydrogen bonds with each other? (a) CH3OH and CH3CH2OH (b) CH3SH and CH3CH2SH (c) CH3OCH3 and CH3CH2OCH2CH3 (d) CH3COOH and H2O
Last Answer : CH3OCH3 and CH3CH2OCH2CH3
Description : Find the number of geometrical isomers possible of the following compounds.
Last Answer : Find the number of geometrical isomers possible of the following compounds.
Description : Geometric isomers would be expected for which of the following compounds
Last Answer : Geometric isomers would be expected for which of the following compounds A. `[Zn(NH_(3))_(4)]^(2+)` B. `[Pt(NH_( ... _(3)Cl]^(+)` D. `K_(2)[CuCl_(4)]`
Description : Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers
Last Answer : A
Description : Compounds with identical molecular formula but different structures are called - (1) Tetravalent compounds (2) Structural isomers (3) Covalent compounds (4) None of the above
Last Answer : (2) Structural isomers Explanation: Structures with identical molecular formula but different structures are called structural isomers. Eg: Butane.
Description : Optical isomers that are not mirror images are called (a) Diastereomers (b) Enantiomers (c) Metamers (d) Meso compounds
Last Answer : Diastereomers
Description : Which of the statements is false regarding chiral compounds? (a) rotate the plane of polarized light (b) have cis and trans isomers (c) exist as enantiomers (d) can be detected with a polarimeter
Last Answer : have cis and trans isomers
Description : Which of the following compounds may exist as cis-trans isomers? (a) 1-Butene (b) 2-Butene (c) Cyclopropane (d) Acetone
Last Answer : 2-Butene
Description : The compounds CH3CH2OCH2CH3 and CH3OCH2CH2CH3 are (a) Enantiomers (b) Conformational isomers (c) Metamers (d) Optical isomers
Last Answer : Metamers
Description : Compounds with the same molecular formula but different structural formulas are called (a) Alkoxides (b) Iso compounds (c) Isomers (d) Ortho compounds
Last Answer : Isomers
Description : Two compounds have the same composition and also have the same atoms attached to the same atoms, although with different orientations in space. These compounds are (a) Identical (b) Position isomers (c) Structural isomers (d) Stereoisomers
Last Answer : Stereoisomers
Last Answer : (A) Stereoisomers
Description : Planar Platinum compounds are being investigated in the treatment of cancer. Name the isomers of dichlorodiamineplatinum(II) (pron: die-klor-o-di-a-MIN-e-plat-i-num two)?
Last Answer : ANSWER: CIS AND TRANS (DICHLORODIAMINEPLATINUM (II)
Description : Give one example each of the compounds having the following functional groups:
Last Answer : a) Aldehyde group – Methanal b) Alcohol group – Methanol c) Carboxylic acid group - Methanoic acid
Description : .A common characteristic of all vertebrates without exception is (a) the division of body into head, neck, trunk and tail (b) their body covered with an exoskeleton (c) the possession of two pairs of functional appendages (d) the presence of well-developed skull
Last Answer : (d) the presence of well-developed skull.
Description : The organic compounds having the functional group COOH are called?
Last Answer : Carboxylic acids
Description : In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved
Last Answer : (C) The monomers contain two functional groups
Description : Organic compounds having more than one functional groups are called poly-functional
Last Answer : compounds.
Description : Compounds containing – NH 2 group as functional group are called
Last Answer : amines.
Description : Compounds containing – CHO group as functional group are called
Last Answer : Aldehydes.
Description : Compounds containing – COOH group as functional group are called
Last Answer : Carboxylic acids.
Description : Compounds containing – OH group as functional group are called
Last Answer : alcohols.
Description : What are poly-functional compounds?
Last Answer : Organic compounds having more than one functional groups are called polyfunctionsl compounds. Ex: Glycerol, Salicylic acid
Description : Name the functional groups present in the following compounds.
Last Answer : a) CH 3 CHO – Aldehyde c) CH 3 CH 2 CH 2 OH – Alcohol e) Methanol – Alcohol g) Amino acids – Amines b) CH 3 CH 2 COOH – Carboxylic acid d) Methanal – Aldehyde f) Methanoic acid – Carboxylic acid
Description : On the basics of functional groups present, how are organic compounds classified?
Last Answer : Alkyl / Aryl radical (Less reactive part) and Functional group ( Active part)
Description : Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling
Last Answer : D. Impurity profiling
Description : Ketones are organic compounds. Name the functional group that all ketone molecules contain.
Last Answer : ANSWER: CARBONYL GROUP pr C DOUBLE BOND O
Description : α-D-Glucose is different from β-D-glucose (a) in the configuration at C-1 (b) because they are mirror images of each other (c) because they are enantiomers (d) because they are geometrical isomers
Last Answer : in the configuration at C-1
Description : Optical isomers are ------. a. Identical structures b. Not mirror images of each other c. Non super-imposable mirror images of each other. d. Super-imposable mirror images of each other
Last Answer : c. Non super-imposable mirror images of each other.
Description : Isomers which are chemically identical but cannot be superimposed on each other are called what?
Last Answer : ANSWER: STEREOISOMERS or ENANTIOMERS
Description : Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III :
Last Answer : Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III :
Description : Which of the following pairs of the compounds can be used as starting materials in the synthesis of 2-Pheny pentan-2-ol?
Last Answer : Which of the following pairs of the compounds can be used as starting materials in the synthesis of 2-Pheny pentan ... (CH_(3))_(2) CHCH_(2) COCH_(3)`
Description : Which of the following pairs of Xenon compounds and their structure, hybridisation are correctly matched ?
Last Answer : Which of the following pairs of Xenon compounds and their structure, hybridisation are correctly matched ? A. `XeF_( ... )` octanedral `(sp^(3)d^(2))`
Description : Which one of the following pairs is matched correctly? a. Ions - covalent bonds b. Carbon - organic compounds c. Glucose - enzyme d. Thymine - amino acid
Last Answer : b. Carbon - organic compounds
Description : 13. Which one of the following pairs is isostructural (i.e. having the same shape and hybridization)? (1) 4 4 [BF and NH ] (2) 3 3 [BCl and BaCl ] (3) 3 3 [NH and NO ] (4) [NF3 and BF3 ] Sol: [1] In both the compounds, central atom i
Last Answer : (1) 4 4 [BF and NH ]
Description : Which one of the following pairs of compounds illustrates the law of multiple proportion? [EAMCET 1989] (A) H2O, Na2O (B) MgO, Na2O (C) Na2O, BaO (D) SnCl2, SnCl4
Last Answer : (D) SnCl2, SnCl4
Description : Which of the following pairs of compounds could NOT be used to create a buffer solution? Would it be: w) HCL and NaCl (read: H - C - L and N - A - C - L) x) HCN and NaCN (read: H - C - N and N - A - C - N) y) NH3 ... - H - 4 - C - L) z) HNO2 and NaNO2 (read: H - N - O -2 and N - A - N - O - 2)
Last Answer : ANSWER: W -- HCL AND NaCl (read: H - C - L and N - A - C - L)
Description : How many geomatrical isomers are possible for each of the following complexes ? `(a) [Pt(NH_(3))_(2)(SCN)_(2)] " " (b) [CoCl_(2)Br_(2)]^(2-)("tetrahed
Last Answer : How many geomatrical isomers are possible for each of the following complexes ? `(a) [Pt(NH_(3))_(2)(SCN)_(2)] " " ... (+) " " (f) [Rh(en)_(3)]^(3+)`
Description : A cationic complex has two isomers A & B. Each has one Co3+, five NH3 , one Br and one SO4 2 . A gives a white precipitate with BaCl2 solution while B gives a yellow precipitate with AgNO3 ... are the possible structures of the complexes A and B ? (a) Will the two complexes have same colour ?
Last Answer : (a) [CO (NH3 ) 5 Br] SO4 and [CO (NH3 ) 5 SO4 ] Br (b) NO
Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other ?
Last Answer : Which of the following pairs of hormones are not antagonistic (having opposite effects) to ... -Atrial Natriuretic Factor D. Relaxin- Inhibin
Description : What pairs work againts each other to maintain homeostasis?
Last Answer : Feel Free to Answer
Description : Which of these pairs of instruments most closely resembles each other in appearance?
Last Answer : Euphonium and baritone horn A+
Description : Which of the following pairs of hormones are not antagonistic (having opposite effects) to each other? (a) Aldosterone Atrial Natriuretic Factor (b) Relaxin Inhibin (c) Parathormone Calcitonin (d) Insulin Glucagon
Last Answer : (b) Relaxin Inhibin
Description : Which one of the following pairs of animals are similar to each other pertaining to the feature stated against them? (a) Pteropus and - Viviparity Ornithorhynchus (b) Garden lizard and - ... - Metameric Ancylostoma segmentation (d) Sea horse and - Cold blooded flying fish (poikilothermal)
Last Answer : (d) Sea horse and - Cold blooded flying fish
Last Answer : (d) Sea horse and - Cold blooded flying fish (poikilothermal)
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