Phenols can be easily distinguished from alcohols because (a) phenols are soluble in NaOH, but alcohols are not (b) alcohols are soluble in NaOH, but phenols are not (c) phenols are soluble in NaHCO3, but alcohols are not (d) alcohols are soluble in NaHCO3, but phenols are not

Phenols can be easily distinguished from alcohols because
(a) phenols are soluble in NaOH, but alcohols are not
(b) alcohols are soluble in NaOH, but phenols are not
(c) phenols are soluble in NaHCO3, but alcohols are not
(d) alcohols are soluble in NaHCO3, but phenols are not
by

1 Answer

Answer :

phenols are soluble in NaOH, but alcohols are not
by

Related questions

Alcohols are easily protonated than phenols. Justify.

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Phenols do not undergo substitution of the — OH group like alcohols. Explain.

Description : Phenols do not undergo substitution of the — OH group like alcohols. Explain.

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Which group forms the strongest H-bonds to water molecules? (a) Alcohols (b) Ethers (c) Phenols (d) All equally strong

Description : Which group forms the strongest H-bonds to water molecules? (a) Alcohols (b) Ethers (c) Phenols (d) All equally strong

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Description : (A) Benzoic acid and phenol can be distinguished by NaOH. (R) Benzoic acid is stronger acid than phenol.

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Last Answer : reacts with Br2/NaOH to form tertiary amine

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Silver halides are used in photographic plates because they are (a) Oxidised in air (b) Colourless (c) Easily soluble in a hypo solution (d) Readily reduced by light

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In the diving apparatus, helium is used along with oxygen, because it is (A) Easily available (B) Not soluble in blood at high pressure (C) Lighter than nitrogen (D) Completely miscible with oxygen

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While separating a mixture of ortho and para-nitro phenols by steam distillation, name the isomer which will be steam volatile. Give reasons.

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Which one of the following compounds form zwitterions?(a) carbonyl compounds (b) amino acids (c) phenols (d) heterocyclic compounds

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Last Answer : The correct chemical equation is:Na2CO3 + CO2 + H2O = 2 NaHCO3

The pH of blood is about 7.4 when the ratio between (NaHCO3) and (H2CO3) is (A) 10 : 1 (B) 20 : 1 (C) 25 : 1 (D) 30 : 1

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The smell of fat turned rancid is due to (A) Presence of vit E (B) Presence of quinones (C) Phenols (D) Volatile fatty acids

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Protein is a polymer of (A) Sugars (B) Phenols (C) Amino acids (D) Carboxylic acids

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In the genetic disorder of cystinuria, the patient excretes large quantities of cystine in their urine and its low solubility causes crystalline cystine to precipitate as stones in kidneys. The remedy involves ingesting Na HCO3. Reaction of this treatment is (A) NaHCO2 combines with cystine (B) NaHCO3 raises the pH above the isoelectric point of cystine (C) NaHCO3 prevents stone formation by hydrolysis of cystine to cysteine (D) None of these

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Last Answer : Answer : C

The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

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Inhibition of carbonic anhydrase results in (a) Abolition of NaHCO3 reabsorption in proximal tubule (b) Enhanced of NaHCO3 reabsorption in proximal tubule (c) Enhanced NAHCO3 secretion in distal tubule (d) None of the above

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Give the formula for baking soda. The formula for baking soda is NaHCO3.

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Which of the following is a co-product during the manufacture of caustic soda by electrolysis of brine? (A) Na2CO3 (B) NaHCO3 (C) H2 (D) None of these

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The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

Description : The pH of blood is 7.4 when the ratio between H2CO3 and NaHCO3 is (A) 1 : 10 (B) 1 : 20 (C) 1 : 25 (C) 1 : 30

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The guests at the spectacular ceremony are being called distinguished because (a) they have been invited as guests to attend it. (b) they are eminent world leaders witnessing it. (c) they are visiting the country for this purpose. (d) they have resumed diplomatic relations with the country.

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Why are amines always less acidic than comparable alcohols?

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Why is it that secondary alcohols can only undergo a single oxidation step in contrast to primary alcohols?

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Alcohols acts as weak bases. Explain.

Description : Alcohols acts as weak bases. Explain.

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Upon hydrolysis, proteins give (a) Amino acids (b) Hydroxy acids (c) Fatty acids (d) Alcohols

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Aliphatic primary amines react with cold nitrous acid to form (a) Alcohols (b) Diazonium salts (c) Nitriles (d) Nitroalkanes

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Esters can be formed by nucleophilic substitution reactions of : (a) carboxylic acids and alcohols ; acid-catalyzed (b) acid chlorides and alcohols (c) both of the above (d) neither of the above

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Last Answer : Higher than

Thiols are alcohol analogs in which the oxygen has been replaced by sulfur (e.g., CH3SH). Given the fact that the S–H bond is less polar than the O–H bond, which of the following statements comparing thiols and alcohols is correct? (a) Hydrogen bonding forces are weaker in thiols. (b) Hydrogen bonding forces are stronger in thiols. (c) Hydrogen bonding forces would be the same. (d) No comparison can be made without additional information

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Last Answer : Hydrogen bonding forces are weaker in thiols.