Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III :

Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III :
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Identify the pairs of enantiomers and diastereomers from the following compounds I, II, and III :
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Optical isomers that are not mirror images are called (a) Diastereomers (b) Enantiomers (c) Metamers (d) Meso compounds

Description : Optical isomers that are not mirror images are called (a) Diastereomers (b) Enantiomers (c) Metamers (d) Meso compounds

Last Answer : Diastereomers

Which of the statements is correct about diastereomers? (a) They are stereoisomers that are not enantiomers. (b) They are a pair of identical isomers. (c) They are a pair of isomers that are mirror images. (d) All their asymmetric centers are the same.

Description : Which of the statements is correct about diastereomers? (a) They are stereoisomers that are not enantiomers. (b) They are a pair of identical isomers. (c) They are a pair of isomers that are mirror images. (d) All their asymmetric centers are the same.

Last Answer : They are stereoisomers that are not enantiomers

. A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B? (a) structural isomers (b) enantiomers (c) cis-trans isomers (d) diastereomers

Description : . A and B are stereoisomers. They are nonsuperimposable and are mirror images of one another. Which of the following best describes the relationship between A and B? (a) structural isomers (b) enantiomers (c) cis-trans isomers (d) diastereomers

Last Answer : enantiomers

Optical isomers that are mirror images are called : (a) Tautomers (b) Diastereomers (c) Enantiomers (d) Metamers

Description : Optical isomers that are mirror images are called : (a) Tautomers (b) Diastereomers (c) Enantiomers (d) Metamers

Last Answer : Enantiomers

Ethanol (CH3CH2OH) and dimethyl ether (CH3OCH3) are best considered : (a) structural isomers (b) stereoisomers (c) enantiomers(d) diastereomers

Description : Ethanol (CH3CH2OH) and dimethyl ether (CH3OCH3) are best considered : (a) structural isomers (b) stereoisomers (c) enantiomers (d) diastereomers

Last Answer : structural isomers

Which of the following paris of compounds are enantiomers :

Description : Which of the following paris of compounds are enantiomers :

Last Answer : Which of the following paris of compounds are enantiomers : A. B. C. D.

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

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

The compounds CH3CH2OCH2CH3 and CH3OCH2CH2CH3 are (a) Enantiomers (b) Conformational isomers (c) Metamers (d) Optical isomers

Description : The compounds CH3CH2OCH2CH3 and CH3OCH2CH2CH3 are (a) Enantiomers (b) Conformational isomers (c) Metamers (d) Optical isomers

Last Answer : Metamers

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

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

Optical isomers that are mirror images and non superimposable are called (A) Diastereomers (B) Euantiomers (C) dl isomers (D) Stereomers

Description : Optical isomers that are mirror images and non superimposable are called (A) Diastereomers (B) Euantiomers (C) dl isomers (D) Stereomers

Last Answer : Answer : B

"Mirror-image" molecules are called: w) stereoisomers x) structural isomers y) diastereomers z) constitional isomers

Description : "Mirror-image" molecules are called: w) stereoisomers x) structural isomers y) diastereomers z) constitional isomers

Last Answer : ANSWER: W -- STEREOISOMERS

Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, – b) -Maths 10th

Description : Find the distance between the following pairs of points: (i) (2, 3), (4, 1) (ii) (-5, 7), (-1, 3) (iii) (a, b), (- a, – b) -Maths 10th

Last Answer : Distance between two points (x1 ,y1 ) and (x2 ,y2 ) is (x1 −x2 )2+(y1 −y2 )2 (i) Distance between(2,3) and (4,1) is =(2−4)2+(3−1)2 =(−2)2+(2)2 =4+4 =8 =22 (ii) Distance between (−5,7) and (−1,3) ... 42 (iii )Distance between (a,b) and(−a,−b) is =(a−(−a))2+(b−(−b))2 =(2a)2+(2b)2 =4a2+4b2 =2a2+b2

Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on `Xe` are:

Description : Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on `Xe` are:

Last Answer : Among the following molecules, `(i)XeO_(3)(ii)XeOF_(4)(iii)XeF_(6)` those having same number of lone pairs on ... iii) only D. (D) (i),(ii) and (iii)

Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Description : Which of the following pairs are correctly matched? Animals Morphological features (i) Crocodile – 4-chambered heart (ii) Sea urchin – Parapodia (iii)Obelia – Metagenesis (iv) Lemur – Thecodont (a) (ii), (iii) and (iv) (b) only (i) and (iv) (c) only (i) and (ii) (d) (i), (iii) and (iv)

Last Answer : (d) (i), (iii) and (iv)

Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes(A) (B) (C) (D) (a) (ii) (iii) (iv) (i) (b) (iii) (iv) (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Description : Match the following columns and select the correct option. Column-I Column-II (A) 6-15 pairs of gill slits (i) Trygon (B) Heterocercal caudal fin (ii) Cyclostomes (C) Air bladder (iii) Chondrichthyes (D) Poison sting (iv) Osteichthyes ... (i) (ii) (c) (iv) (ii) (iii) (i) (d) (i) (iv) (iii) (ii)

Last Answer : (a) (ii) (iii) (iv) (i)

Which one of the following pairs of causative agent and type of disease are correct ? (I) Leishmania - Sleeping sickness (II) Nematode - Elephantiasis (III) Trypanosoma - Kala azar (IV) Staphylococcus - Acne (1) (I) and (II) (2) (II) and (III) (3) (II) and (IV) (4) (III) and (IV)

Description : Which one of the following pairs of causative agent and type of disease are correct ? (I) Leishmania - Sleeping sickness (II) Nematode - Elephantiasis (III) Trypanosoma - Kala azar (IV) Staphylococcus - Acne (1) (I) and (II) (2) (II) and (III) (3) (II) and (IV) (4) (III) and (IV)

Last Answer : (3) (II) and (IV)

The two projection formulae that represent a pair of enantiomers are.

Description : The two projection formulae that represent a pair of enantiomers are.

Last Answer : The two projection formulae that represent a pair of enantiomers are. A. I and II B. III and IV C. I and III D. II and IV

The two projection formulae that represent a pair of enantiomers are.

Description : The two projection formulae that represent a pair of enantiomers are.

Last Answer : The two projection formulae that represent a pair of enantiomers are. A. I and II B. III and IV C. I and III D. II and IV

Which is not the pair of enantiomers ?

Description : Which is not the pair of enantiomers ?

Last Answer : Which is not the pair of enantiomers ? A. B. C. D.

Which of the following complexes can exists as enantiomers ? Draw their structures `(a) cis-[Co(NH_(3))_(4)Br_(2)]^(+) " " (b) cis-[Cr(H_(2)O)_(2)(en)

Description : Which of the following complexes can exists as enantiomers ? Draw their structures `(a) cis-[Co(NH_(3))_(4)Br_(2)]^(+) " " (b) cis-[Cr(H_(2)O)_(2)(en)

Last Answer : Which of the following complexes can exists as enantiomers ? Draw their structures `(a) cis-[Co(NH_(3))_(4)Br_(2)]^ ... [Co(NH_(3))_(2)(en)_(2)]^(2+)`

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

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

Diethyl ether and methyl propyl ether are (a) Conformational isomers (b) Metamers (c) Geometrical isomers (d) Enantiomers

Description : Diethyl ether and methyl propyl ether are (a) Conformational isomers (b) Metamers (c) Geometrical isomers (d) Enantiomers

Last Answer : Metamers

Which of the following is/are optically inactive? (a) a 50-50 mixture of R and S enantiomers (b) a meso compound (c) a racemic mixture (d) all the above

Description : Which of the following is/are optically inactive? (a) a 50-50 mixture of R and S enantiomers (b) a meso compound (c) a racemic mixture (d) all the above

Last Answer : all the above

Which of the following is not true of enantiomers? (a) They have the same melting point. (b) They have the same boiling point. (c) They have the same density. (d) They have the same specific rotation.

Description : Which of the following is not true of enantiomers? (a) They have the same melting point. (b) They have the same boiling point. (c) They have the same density. (d) They have the same specific rotation.

Last Answer : They have the same specific rotation.

Which of the following statements is correct concerning a pair of enantiomers? (a) They rotate the plane of polarized light by exactly the same amount and in opposite directions. (b) They rotate the plane of polarized light by differing amounts and in opposite directions. (c) They rotate the plane of polarized light by differing amounts and in the same direction. (d) They have different melting point

Description : Which of the following statements is correct concerning a pair of enantiomers? (a) They rotate the plane of polarized light by exactly the same amount and in opposite directions. (b) They rotate ... polarized light by differing amounts and in the same direction. (d) They have different melting point

Last Answer : They rotate the plane of polarized light by exactly the same amount and in opposite directions.

Which of the following statements is false about enantiomers? (a) rotate plane-polarized light (b) are superimposable mirror images (c) are nonsuperimposable mirror images (d) have the same melting point

Description : Which of the following statements is false about enantiomers? (a) rotate plane-polarized light (b) are superimposable mirror images (c) are nonsuperimposable mirror images (d) have the same melting point

Last Answer : are superimposable mirror images

Enantiomers have which of the following characteristics? (a) rotate ordinary light (b) have the same melting point (c) are superimposable mirror images (d) react with optically active molecules at the same rate

Description : Enantiomers have which of the following characteristics? (a) rotate ordinary light (b) have the same melting point (c) are superimposable mirror images (d) react with optically active molecules at the same rate

Last Answer : have the same melting point

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

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

Arrange the following compounds in decreasing order of reactivity for EAR :- (I) `CH_(2)=CH_(2)` (II) `CH_(3)-CH=CH_(2)` (III) `Ph_(2)C=CH-CH_(3)` (IV

Description : Arrange the following compounds in decreasing order of reactivity for EAR :- (I) `CH_(2)=CH_(2)` (II) `CH_(3)-CH=CH_(2)` (III) `Ph_(2)C=CH-CH_(3)` (IV

Last Answer : Arrange the following compounds in decreasing order of reactivity for EAR :- (I) `CH_(2)=CH_(2)` (II) `CH_(3)- ... I gt IV` D. `II gt III gt IV gt I`

Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2)-OH` (III) `Cl-CH_(2)-CH_(2)-CH_(2)-OH` (

Description : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2)-OH` (III) `Cl-CH_(2)-CH_(2)-CH_(2)-OH` (

Last Answer : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2 ... IV gt III` D. `II gt I gt III gt IV`

Which of the following compounds can show geometrical isomerism : (i) Pent-1-ene (ii) 1-chloropropene (iii) 2-Methylbut-2-ene (iv) `CH_(3)-CH=CH-CH_(3

Description : Which of the following compounds can show geometrical isomerism : (i) Pent-1-ene (ii) 1-chloropropene (iii) 2-Methylbut-2-ene (iv) `CH_(3)-CH=CH-CH_(3

Last Answer : Which of the following compounds can show geometrical isomerism : (i) Pent-1-ene (ii) 1-chloropropene (iii) 2- ... -ene (iv) `CH_(3)-CH=CH-CH_(3)`

The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s

Description : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s

Last Answer : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3)) ... and (iii) liberate `O_(2)` D. All statements are correct

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those which can act as bleaching agen

Description : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those which can act as bleaching agen

Last Answer : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those ... C. 1 and 2 D. 1, 2 and 3

The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s

Description : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3))_(2)` (iv) `NH_(4)NO_(3)` . Which of the following statement/s

Last Answer : The following compounds are heated (i) `KNO_(3)` (ii) `Cu(NO_(3))_(2)` (iii) `Pb(NO_(3)) ... and (iii) liberate `O_(2)` D. All statements are correct

How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Description : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) HCl (iii) `Na_(2)S` (iv) `Na_(2)SO_

Last Answer : How many of the following compounds are possible products when chlorine is passed through hypo solution (i) S (ii) ... )S_(4)O_(6)` (vi) `HClO_(4)`

Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those which can act as bleaching agen

Description : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those which can act as bleaching agen

Last Answer : Consider the following compounds : (i) sulpher dioxide (ii) hydrogen peroxide (iii) ozone Among these compounds, those ... C. 1 and 2 D. 1, 2 and 3

(i) Total number of tractions on fractional distillation of I, II and III. (ii) Optical active compounds. (iii) Relation between I and II. (iv) Relati

Description : (i) Total number of tractions on fractional distillation of I, II and III. (ii) Optical active compounds. (iii) Relation between I and II. (iv) Relati

Last Answer : (i) Total number of tractions on fractional distillation of I, II and III. (ii) Optical active compounds. ... and II. (iv) Relation between I and II.

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_

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)`

In the following compounds, anisole (I), benzene (II) and nitrobenzene (III), the ease of reaction with electrophiles is:

Description : In the following compounds, anisole (I), benzene (II) and nitrobenzene (III), the ease of reaction with electrophiles is:

Last Answer : In the following compounds, anisole (I), benzene (II) and nitrobenzene (III), the ease of reaction ... . `IIIgtIIgtI` C. `IIgtIgtIII` D. `IgtIIgtIII`

In the following compounds piperidine (I), pyridine (II), morpholine (III) and pyerrole (IV), the order of basicity is :

Description : In the following compounds piperidine (I), pyridine (II), morpholine (III) and pyerrole (IV), the order of basicity is :

Last Answer : In the following compounds piperidine (I), pyridine (II), morpholine (III) and pyerrole ( ... `IIIgtIgtIVgtII` C. `IIgtIgtIIIgtIV` D. `IgtIIIgtIIgtIV`

In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p-nitrophenol (IV), the order of acidity is:

Description : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p-nitrophenol (IV), the order of acidity is:

Last Answer : In the following compounds phenol (I), p-cresol (II), m-nitrophenol (III) and p- ... `IgtIVgtIIIgtII` C. `IIgtIgtIIIgtIV` D. `IVgtIIIgtIgtII`

Which is the increasing order of acidic strength in the following compounds ? `CH_(3)CH_(2)CH_(2)COOH(I), "NCCH"_(2)COOH(II), H_(2)C=CHCH_(2)COOH(III)

Description : Which is the increasing order of acidic strength in the following compounds ? `CH_(3)CH_(2)CH_(2)COOH(I), "NCCH"_(2)COOH(II), H_(2)C=CHCH_(2)COOH(III)

Last Answer : Which is the increasing order of acidic strength in the following compounds ? `CH_(3)CH_(2)CH_(2) ... B. `IltIIIltII` C. `IIIltIIltI` D. `IIltIltIII`

Arragne basicity of the following compounds in decreasing order: `CH_(3)CH_(2)NH_(2)(I)," "H_(2)C=CH-NH_(2)(II),` `HC-=C-NH_(2)(III)," "C_(6)H_(5)NH_(

Description : Arragne basicity of the following compounds in decreasing order: `CH_(3)CH_(2)NH_(2)(I)," "H_(2)C=CH-NH_(2)(II),` `HC-=C-NH_(2)(III)," "C_(6)H_(5)NH_(

Last Answer : Arragne basicity of the following compounds in decreasing order: `CH_(3)CH_(2)NH_(2)(I), ... `IVgtIIIgtIIgtI` C. `IIIgtIIgtIgtIV` D. `IgtIIIgtIIgtIV`

Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH"(I) "CF_(3)CH_(2)OH"(II)"),("CCl"_(3)-CH_(2)OH"(III) "(NO_(2)

Description : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH"(I) "CF_(3)CH_(2)OH"(II)"),("CCl"_(3)-CH_(2)OH"(III) "(NO_(2)

Last Answer : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH ... `IIgtIgtIIIgtIV` C. `IVgtIIgtIgtIII` D. `IVgtIIgtIIIgtI`

Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (i) Phenol (ii) Cyclohexanol (iii) 2, 4-di nitro phenol (iv) Benzoic (v)

Description : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (i) Phenol (ii) Cyclohexanol (iii) 2, 4-di nitro phenol (iv) Benzoic (v)

Last Answer : Howmany of the following compounds are dissolve in aqeous solution of `NaOH` (i) Phenol (ii) ... ) `alpha-` naphthol (ix) N-methyl aniline

Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. `P_(4)O_(10)` III. Anhydrous `CaC1_(2)` IV. Anhydro

Description : Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. `P_(4)O_(10)` III. Anhydrous `CaC1_(2)` IV. Anhydro

Last Answer : Which of the following compounds can be used for drying of `H_(2)S` gas? I. Conc `H_(2)SO_(4)` II. ` ... IV B. only I C. only II and III D. only III

Which one of following pairs of compounds are functional isomers of each other

Description : Which one of following pairs of compounds are functional isomers of each other

Last Answer : Which one of following pairs of compounds are functional isomers of each other A. `CH_(3)CH_(2)CH_(2)OH, CH_( ... CH_(2)CH_(2)OH, CH_(3)OCH_(2)CH_(3)`

Which of the following pairs of the compounds can be used as starting materials in the synthesis of 2-Pheny pentan-2-ol?

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)`

Which of the following pairs of Xenon compounds and their structure, hybridisation are correctly matched ?

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))`