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

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

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

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

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 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

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.

"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

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

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

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

Optical isomers of all aminoacids exist except (A) Glycine (B) Arginine (C) Alanine (D) Hydroxy proline

Description : Optical isomers of all aminoacids exist except (A) Glycine (B) Arginine (C) Alanine (D) Hydroxy proline

Last Answer : Answer : A

This amino acid cannot have optical isomers: (A) Alanine (B) Histidine (C) Threonine (D) Glycine

Description : This amino acid cannot have optical isomers: (A) Alanine (B) Histidine (C) Threonine (D) Glycine

Last Answer : Answer : D

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

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

Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Description : Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Last Answer : A

Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Description : Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Last Answer : A

Compounds having the same structural formula but differing in spatial configuration are known as (A) Stereoisomers (B) Anomers (C) Optical isomers (D) Epimers

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) Stereoisomers

Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Description : Isomers differing as a result of variations in configuration of the —OH and —H on carbon atoms 2, 3 and 4 of glucose are known as (A) Epimers (B) Anomers (C) Optical isomers (D) Steroisomers

Last Answer : (A) Epimers

Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Description : Two sugars which differ from one another only in configuration around a single carbon atom are termed (A) Epimers (B) Anomers (C) Optical isomers (D) Stereoisomers

Last Answer : (A) Epimers

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) the number of geometrical isomers, (v) whether there is an optical isomer also, and (vi) name of the complex. (At. no. of Fe = 26) \ -Chemistry

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

The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are:

Description : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are:

Last Answer : The complex ion . `[M(en)Br_(2)I_(2)]^(-1)`, has two optical isomers. Their correct configurations are: A. B. C. D.

A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m￾xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits an azeotrope at 101.3 kPa (B) The composition of the mixture, in percent by volume is: o-xylene 30, p￾xylene 60. and m-xylene 10 (C) The composition of the mixture in mole percent is: o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers

Description : A liquid mixture contains 30% o-xylene, 60% p-xylene and 10%. m￾xylene (all percentages in w/w). Which of the following statements would be true in respect of this mixture? (A) The mixture exhibits ... : o-xylene 30, p-xylene 60 and m-xyoene 10 (D) The mixture contain optical isomers

Last Answer : (A) The mixture exhibits an azeotrope at 101.3 kPa

How many optical isomers are possible for lactic acid? (a) 2 (b) 4 (c) 6 (d) 8

Description : How many optical isomers are possible for lactic acid? (a) 2 (b) 4 (c) 6 (d) 8

Last Answer : 2

What is the possible number of optical isomers for a compound containing 2 dissimilar asymmetric carbon atoms? (a) 2 (b) 4 (c) 6 (d) 8

Description : What is the possible number of optical isomers for a compound containing 2 dissimilar asymmetric carbon atoms? (a) 2 (b) 4 (c) 6 (d) 8

Last Answer : 4

What is the possible number of optical isomers for a compound containing n dissimilar asymmetric carbon atoms? (a) n2 (b) 2n (c) n + 1(d) n + 2

Description : What is the possible number of optical isomers for a compound containing n dissimilar asymmetric carbon atoms? (a) n2 (b) 2n (c) n + 1 (d) n + 2

Last Answer : 2n

It is possible to distinguish between optical isomers (a) by using chemical tests (b) by mass spectrometry (c) by IR spectroscopy(d) by polarimetry

Description : It is possible to distinguish between optical isomers (a) by using chemical tests (b) by mass spectrometry (c) by IR spectroscopy (d) by polarimetry

Last Answer : (d) by polarimetry

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

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

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 :

Are mirror images 3 dimensional?

Description : Are mirror images 3 dimensional?

Last Answer : Mirror images are not three dimensional. A three dimensional image must have depth. And I believe I would notice the difference. Photos look very different, especially from the perspective you look at a mirror from.

When you hold a mirror in front of another mirror, do the repeated images that are reflected back go on forever?

Description : When you hold a mirror in front of another mirror, do the repeated images that are reflected back go on forever?

Last Answer : Ha! You’ve received more Great Questions than answers! That’s funny! GQ, by the way To be honest, I’ve wondered this some time in my life. I don’t think I have an answer, but great question! (: I want to try this now!

Mirror system that reverses images each eye sees?

Description : Mirror system that reverses images each eye sees?

Last Answer : Freeviewing http://en.wikipedia.org/wiki/Stereoscopy

1. Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions

Description : 1. Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions

Last Answer : Explanation: Louis Pasteur discovered that some molecules have mirror images and explained them as left-handed and right-handed versions of a chemical compound.

A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images. -Science

Description : A concave mirror of focal length 15 cm can form a magnified, erect as well as inverted image of an object placed in front of it." Justify this statement stating the position of the object with respect to the pole of the mirror in both the cases for obtaining the images. -Science

Last Answer : For magnified and erect image the object is placed between pole P and focus F. For magnified and inverted image the object is placed either at focus or anywhere between F and C.

Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions

Description : Name the scientist who had discovered that some molecules have mirror images? -Discoveries and Inventions

Last Answer : Louis Pasteur... :)

An object is placed at a distance of 15 cm from a convex mirror and images is formed at a distance of 5 cm from the mirror. Calculate the radius of cu

Description : An object is placed at a distance of 15 cm from a convex mirror and images is formed at a distance of 5 cm from the mirror. Calculate the radius of cu

Last Answer : An object is placed at a distance of 15 cm from a convex mirror and images is formed at a ... mirror. Calculate the radius of curvature of the mirror.

How many images formed by two plane mirror at 180 degree angle?

Description : How many images formed by two plane mirror at 180 degree angle?

Last Answer : 2 is answer

What kind of symmetry is shown in animals whose body can only be divided in one plane to show mirror images?

Description : What kind of symmetry is shown in animals whose body can only be divided in one plane to show mirror images?

Last Answer : bilateral

Which of the statements below correctly describes an achiral molecule? (a) The molecule has a nonsuperimposable mirror image. (b) The molecule exhibits optical activity when it interacts with plane-polarized light. (c) The molecule has an enantiomer. (d) The molecule might be a meso form

Description : Which of the statements below correctly describes an achiral molecule? (a) The molecule has a nonsuperimposable mirror image. (b) The molecule exhibits optical activity when it interacts with plane-polarized light. (c) The molecule has an enantiomer. (d) The molecule might be a meso form

Last Answer : The molecule might be a meso form

Protein bound iodine in blood is present to the extent of _______ / dL (A) 3–8 mg (B) 4–8 mg (C) 3–8 gm (D) 4–8 gm

Description : Protein bound iodine in blood is present to the extent of _______ / dL (A) 3–8 mg (B) 4–8 mg (C) 3–8 gm (D) 4–8 gm

Last Answer : Answer : A

Normal range of total tri-iodothyronine in serum is (A) 0.1–0.2 ng/dl (B) 0.1–0.2 µg/dl (C) 0.8–2.4 ng/dl (D) 0.8–2.4 µg/dl

Description : Normal range of total tri-iodothyronine in serum is (A) 0.1–0.2 ng/dl (B) 0.1–0.2 µg/dl (C) 0.8–2.4 ng/dl (D) 0.8–2.4 µg/dl

Last Answer : Answer : B

Normal range of total thyroxine in serum is (A) 0.8–2.4 ng/dl (B) 0.8–2.4 µg/dl (C) 5–12 ng/dl (D) 5–12 µg/dl

Description : Normal range of total thyroxine in serum is (A) 0.8–2.4 ng/dl (B) 0.8–2.4 µg/dl (C) 5–12 ng/dl (D) 5–12 µg/dl

Last Answer : Answer : D

Normal serum free testosterone in adult women varies between (A) 0.0–0.2 ng/dl (B) 0.3–2 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl

Description : Normal serum free testosterone in adult women varies between (A) 0.0–0.2 ng/dl (B) 0.3–2 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl

Last Answer : Answer : B

Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY

Description : Normal serum free testosterone in adult men varies between (A) 1–5 ng/dl (B) 6–9 ng/dl (C) 10–30 ng/dl (D) 50–100 ng/dl 214 MCQs IN BIOCHEMISTRY

Last Answer : Answer : C

Plasma zinc level is (A) 10–50 µg/dl (B) 50–150 µg/dl (C) 150–250 µg/dl (D) 250–500 µg/dl

Description : Plasma zinc level is (A) 10–50 µg/dl (B) 50–150 µg/dl (C) 150–250 µg/dl (D) 250–500 µg/dl

Last Answer : Answer : B

The normal range of plasma copper is (A) 25–50 µg/dl (B) 50–100 µg/dl (C) 100–200 µg/dl (D) 200–400 µg/dl

Description : The normal range of plasma copper is (A) 25–50 µg/dl (B) 50–100 µg/dl (C) 100–200 µg/dl (D) 200–400 µg/dl

Last Answer : Answer : C

Normal plasma iron level is (A) 50100 µg/dl (B) 100150 µg/dl (C) 50175 µg/dl (D) 250400 µg/dl

Description : Normal plasma iron level is (A) 50100 µg/dl (B) 100150 µg/dl (C) 50175 µg/dl (D) 250400 µg/dl

Last Answer : Answer : C

Serum magnesium level ranges between (A) 2–3 mg/dl (B) 3–5 mg/dl (C) 6–8 mg/dl (D) 9–11 mg/dl

Description : Serum magnesium level ranges between (A) 2–3 mg/dl (B) 3–5 mg/dl (C) 6–8 mg/dl (D) 9–11 mg/dl

Last Answer : Answer : A

The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) is decreased in (A) Rickets (B) Hypoparathyroidism (C) Hyperparathyroidism (D) Renal failure

Description : The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) is decreased in (A) Rickets (B) Hypoparathyroidism (C) Hyperparathyroidism (D) Renal failure

Last Answer : Answer : A

The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) in children is about (A) 30 (B) 40 (C) 50 (D) 60

Description : The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) in children is about (A) 30 (B) 40 (C) 50 (D) 60

Last Answer : Answer : C

The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) in adults is about (A) 30 (B) 40 (C) 50 (D) 60

Description : The product of serum calcium concentration (mg/dl) and serum inorganic phosphorous concentration (mg/dl) in adults is about (A) 30 (B) 40 (C) 50 (D) 60

Last Answer : Answer : A