In the compound given below: the correct order of acidity of the positions (X), (Y) and (Z) is :

In the compound given below: the correct order of acidity of the positions (X), (Y) and (Z) is :
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In the compound given below: the correct order of acidity of the positions (X), (Y) and (Z) is : A. (Z) gt (X) ... gt (Z) gt (Y) D. (Y) gt (X) gt (Z)
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Which class of solids could have London Forces the attractive forces between particles in crystal lattice positions? w) ionic x) covalent y) metallic z) molecular

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Which of the following presents the correct order of the acidity in the given compounds?

Description : Which of the following presents the correct order of the acidity in the given compounds?

Last Answer : Which of the following presents the correct order of the acidity in the given compounds? A. ` ... FCH_(2)COOHgtCH_(3)COOHgtBrCH_(2)COOGgtClCH_(2)COOH`

The set with correct order of acidity is :

Description : The set with correct order of acidity is :

Last Answer : The set with correct order of acidity is : A. `HClO lt HClO_2 lt HClO_3 lt HClO_4` B. `HClO_4 lt ... HClO_4` D. `HClO_4 lt HClO_2 lt HClO_3 lt HClO`

The set with correct order of acidity is :

Description : The set with correct order of acidity is :

Last Answer : The set with correct order of acidity is : A. `HClO lt HClO_(2) lt HClO_(3) lt HClO_(4)` B. `HClO_(4 ... )` D. `HClO_(4)lt HClO_(2)lt HClO_(3)lt HClO`

Give the correct order of decreasing acidity of the following compounds

Description : Give the correct order of decreasing acidity of the following compounds

Last Answer : Give the correct order of decreasing acidity of the following compounds

Which order is correct about acidity?

Description : Which order is correct about acidity?

Last Answer : Which order is correct about acidity? A. `CH_(3)COOH gt C_(6)H_(5)COOH gt C_(6)H_(5)OH` B. `C_(6)H_(5 ... (6)H_(5)OH gt CH_(3)COOH gt C_(6)H_(5)COOH`

Which is the correct order of decreasing acidity in the following compounds? A. H2O B. CH3CH3 C. NH3 D. CH2=CH2 E. HC≡CH (a) A > E > C > D > B (b) A > E > D > B > C (c) E > A > C > B > D (d) A > C > E > D > B

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Last Answer : A > E > C > D > B

Given below graphs an oxygen dissociation curve `:-` Where in the body will haemoglobin be saturation at the percentage shown at points X,Y and Z.

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Last Answer : Acidity of diprotic acids in aqueous solutions increases in the order A. `H_(2)S lt H_(2)Se lt H_(2)Te` B. `H_ ... D. `H_(2)Se lt H_(2) Te ltt H_(2)S`

Acidity of diprotic acids in aqueous solutions increases in the order

Description : Acidity of diprotic acids in aqueous solutions increases in the order

Last Answer : Acidity of diprotic acids in aqueous solutions increases in the order A. `H_(2)S lt H_(2)Se lt H_(2)Te` B. `H_ ... D. `H_(2)Se lt H_(2) Te ltt H_(2)S`

The decreasing order of acidity among the following compounds is : `underset("(I)")("ethanol"), underset("(II)")("2,2,2-trifluoroethanol"),underset("(

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Last Answer : The decreasing order of acidity among the following compounds is : `underset("(I)")("ethanol"), underset("(II)")( ... IV gt I D. I gt II gt III gt IV

Strength of acidity is in order:

Description : Strength of acidity is in order:

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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 decreasing order of acidity in, `HCOOH(I), CH_(3)COOH(II), CH_(3)CH_(2)COOH(III) and C_(6)H_(5)COOH(IV)`?

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Last Answer : Which is decreasing order of acidity in, `HCOOH(I), CH_(3)COOH(II), CH_(3)CH_(2)COOH( ... B. `IVgtIIIgtIIgtI` C. `IVgtIgtIIgtIII` D. `IgtIVgtIIgtIII`

In the following compounds, the order of acidity is:

Description : In the following compounds, the order of acidity is:

Last Answer : In the following compounds, the order of acidity is: A. `I gt IV gt III gt II` B. `II gt IV gt I gt II` ... I gt III gt IV` D. `IV gt III gt I gt II`

The order of increasing acidity is :(a) chloroacetic acid > formic acid > benzoic acid(b) benzoic acid > formic acid > chloroacetic acid(c) all are the same(d) not determinable from available data

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The compound X and Y in below reaction can be `Ph-NH*NH_(2)+ (X) + (Y) overset(-H_(2)O)(to)`

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Planck's constant was first introduced in order to obtain a correct theoretical prediction of: w) the distribution of frequencies occurring in black body radiation. x) the energy produced by the transformation of mass into energy. y) the speed of light. z) lifetime of the neutron.

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To prevent footdrop, the patient is positioned in: a) Order to keep the feet at right angles to the leg When the patient is supine in bed, padded splints or protective boots are used. b) A semi-sitting position in bed Semi-fowlers positioning is used to decrease the pressure of abdominal contents on the diaphragm. c) A sitting position with legs hanging off the side of the bed In order to prevent footdrop, the feet must be supported. d) A side-lying position Side-lying positions do not provide support to prevent footdrop.

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Below are the few steps given for scan-converting a circle using Bresenham's Algorithm. Which of the given steps is not correct? (1) Compute d = 3 – 2r (where r is radius) (2) Stop if x> y (3) If d<0, then d=4x+6 and x=x+1 (4) If d≥0,then d=4 *(x-y)+10, x=x+1 and y=y+1

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A compound ‘X’ on heating with excess conc. sulphuric acid at 443 K gives an unsaturated compound ‘Y’. ‘X’ also reacts with sodium metal to evolve a colourless gas ‘Z’. Identify ‘X’, ‘Y’ and ‘Z’. Write the equation of the chemical reaction of formation of ‘Y’ and also write the role of sulphuric acid in the reaction. -Science

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A compound X of the formula `C_(2)H_(6)O` on reaction with Na metal gave Y, X also reacts with `PC1_(5)` to give Z the product obtained in the reactio

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Last Answer : A compound X of the formula `C_(2)H_(6)O` on reaction with Na metal gave Y, X also reacts with `PC1_(5)` to ... )H_(5)` D. `C_(2)H_(5)OC_(2)H_(5)`

When a compound X reacts with ozone in aq medium, a compound Y is produced. Ozone also reacts with moist Y and produces compound Z. Z acts as an oxidi

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An inorganic compound X reacts with water to form two cid Y and Z. X also reacts with NaOH to form two salts B and C which remain in solution. The sol

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Reaction between X and Y forms compound Z. X loses electron and Y gains electron. Which of the following properties is not shown by Z? A) Has high melting point B) Has low melting point C) Conducts electricity in molten state D) Occurs as solid

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Last Answer : B) Has low melting point

Enrichment of uranium by gaseous diffusion relies on the fact that uranium-235 diffuses through holes in the barriers more readily than uranium-238 does because uranium-235 is: w) a different chemical compound. x) a different wavelength. y) resistant to magnetism. z) slightly lighter than uranium-238.

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Last Answer : ANSWER: Z -- SLIGHTLY LIGHTER THAN URANIUM-238.

Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Description : Which of the following elements is found in the earth's crust as both a native element and as a compound? w) argon x) copper y) chlorine z) silicon

Last Answer : ANSWER: X -- COPPER

The compound which would have the greatest molar effect on the colligative properties of a dilute solution would be: w) CaCl2 x) NaCl y) C6H12O6 z) Benzene

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Last Answer : ANSWER: W -- CaCl2

Which compound is responsible for the rotten egg smell? w) sulfuric acid x) putrescine y) hydrogen sulfide z) sulfur dioxide

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Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Description : Which of the following organic compounds is known as a saturated chain hydrocarbon ? w) an aromatic compound x) an alkene y) an alkyne z) an alkane

Last Answer : ANSWER: Z -- AN ALKANE

Sodium chloride is an example of what kind of compound? w) ionic x) covalent y) polyatomic z) monatomic

Description : Sodium chloride is an example of what kind of compound? w) ionic x) covalent y) polyatomic z) monatomic

Last Answer : ANSWER: W -- IONIC

A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Description : A compound which is an electron pair donor is generally classified as a: w) Lewis acid x) Bronsted base y) Bronsted acid z) Lewis base

Last Answer :  ANSWER: Z -- LEWIS BASE 

Which compound is a monosaccharide? w) maltose x) sucrose y) glucose z) glycogen

Description : Which compound is a monosaccharide? w) maltose x) sucrose y) glucose z) glycogen

Last Answer : ANSWER: Y -- GLUCOSE

The first organic compound synthesized in 1828 by Frederich Wohler was: w) benzene x) urea y) estrogen z) methane

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An alcohol is related to an ester as a hydroxide compound is related to: w) an acid x) a ketone y) an ether z) a salt

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Last Answer : ANSWER: Z -- A SALT

Which of the following elements would form an acid oxide with the formula XO2 and an acidic compound with hydrogen with the formula XH2? w) Sodium x) Magnesium y) Aluminum z) Sulfur

Description : Which of the following elements would form an acid oxide with the formula XO2 and an acidic compound with hydrogen with the formula XH2? w) Sodium x) Magnesium y) Aluminum z) Sulfur

Last Answer : ANSWER: Z -- SULFUR

A compound which contains two ring structures havi one common carbon atom is known as a: w) spiro-compound x) nonpolar compound y) interstitial compound z) inner compound

Description : A compound which contains two ring structures havi one common carbon atom is known as a: w) spiro-compound x) nonpolar compound y) interstitial compound z) inner compound

Last Answer : ANSWER: W -- SPIRO-COMPOUND

Of the following categories of medications, which is used in combination with bismuth salts to eradicate Helicobacter pylori? a) Antibiotics Antibiotics and bismuth salts are given to eradicate H. pylori. b) Antacids Antacids are given to manage gastric acidity. c) Proton pump inhibitors Proton pump inhibitors are given to decrease acid secretion. d) Histamine-2 receptor antagonists Histamine-2 receptor antagonists are given to decrease the acid secretion in the stomach.

Description : Of the following categories of medications, which is used in combination with bismuth salts to eradicate Helicobacter pylori? a) Antibiotics Antibiotics and bismuth salts are given to eradicate ... antagonists Histamine-2 receptor antagonists are given to decrease the acid secretion in the stomach.

Last Answer : a) Antibiotics Antibiotics and bismuth salts are given to eradicate H. pylori.

The reactivity of compound `Z` with different halogens under appropriate conditions is gives below- The observed pattern of electrophilic substitution

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Last Answer : The reactivity of compound `Z` with different halogens under appropriate conditions is gives below- ... the electronic effect of the tert-butyl group

Pick up the correct statement from the following: A. pH value indicates acidity and alkalinity of sewage B. In acidic sewage, the pH value is less than 7 C. In alkaline sewage, the pH value is more than 7 D. All the above

Description : Pick up the correct statement from the following: A. pH value indicates acidity and alkalinity of sewage B. In acidic sewage, the pH value is less than 7 C. In alkaline sewage, the pH value is more than 7 D. All the above

Last Answer : ANS: D

Pick up the correct statement from the following: (A) The pH value of neutral water is 7 (B) The maximum acidity is obtained when pH value is zero (C) The maximum alkalinity is obtained when pH value is 14 (D) All the above

Description : Pick up the correct statement from the following:  (A) The pH value of neutral water is 7  (B) The maximum acidity is obtained when pH value is zero . (C) The maximum alkalinity is obtained when pH value is 14  (D) All the above

Last Answer : (D) All the above

Prokinetic drugs serve the following purpose(s) in gastroesophageal reflux disease: A. Reduce reflux of gastric contents into esophagus B. Promote healing of esophagitis C. Reduce acidity of gastric contents D. Both ‘A’ and ‘B’ are correct

Description : Prokinetic drugs serve the following purpose(s) in gastroesophageal reflux disease: A. Reduce reflux of gastric contents into esophagus B. Promote healing of esophagitis C. Reduce acidity of gastric contents D. Both ‘A’ and ‘B’ are correct

Last Answer : A. Reduce reflux of gastric contents into esophagus

Identify the compound X and A on the basis of the reaction given below. X +Zn A + H2 (a)X is Sodium hydroxide and A is sodium zincate (b)X is Sodium hydroxide and A is sodium chloride©X is sodium hyroxide and A is sodium ethanoate (d)Both a and c

Description : Identify the compound X and A on the basis of the reaction given below. X +Zn A + H2 (a)X is Sodium hydroxide and A is sodium zincate (b)X is Sodium hydroxide and A is sodium chloride©X is sodium hyroxide and A is sodium ethanoate (d)Both a and c

Last Answer : (a)X is Sodium hydroxide and A is sodium zincate

In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration. A. Three node vibration B. Two node vibration C. Single node vibration D. None of the above

Description : In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration. A. Three node vibration B. Two node vibration C. Single node vibration D. None of the above

Last Answer : B. Two node vibration

In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration. A. Three node vibration B. Two node vibration C. Single node vibration D. None of the above

Description : In the diagram shown below, if rotor X and rotor Z rotate in same direction and rotor Y rotates in opposite direction, then specify the type of node vibration. A. Three node vibration B. Two node vibration C. Single node vibration D. None of the above

Last Answer : B. Two node vibration