Description : Diethyl ether on heating with excess concentrated HI gives (a) Methyl iodide (b) Isopropyl iodide (c) Ethyl iodide (d) n-Propyl iodide
Last Answer : Ethyl iodide
Description : Ethyl phenyl ether on reaction with excess HI yields
Last Answer : Ethyl phenyl ether on reaction with excess HI yields A. Ethyl iodide and iodobenzene B. Ethyl ... alcohol and phenol D. Ethyl alcohol and iodobezene
Description : `CH_(3)-underset(CH_(3))underset(|)CH-OCH_(3)overset(HI)underset(excess Delta)rarr` Which of the following is not formed in the above reaction ?
Last Answer : `CH_(3)-underset(CH_(3))underset(|)CH-OCH_(3)overset(HI)underset(excess Delta)rarr` Which of ... Isopropyl iodine C. Isopropyl alcohol D. All of these
Description : When dipentyl ether is treated with excess HI, through what type of mechanism(s) does the major product result? (a) SN2 (b) SN1 (c) E1 (d) E2
Last Answer : SN2
Description : Diethyl ether reacts with excess of hot concentrated HI to form (a) CH3CH2I + CH3CH2OH (b) Only CH3CH2OH (c) CH3CH2OH + CH2=CH2 (d) Only CH3CH2
Last Answer : Only CH3CH2
Description : When aniline is heated with glycerol in the presence of sulfuric acid and nitrobenzene, it gives quinoline. This reaction in called (a) Fischer synthesis (b) Skraup synthesis (c) Diazotization (d) Corey-House synthesis
Last Answer : Skraup synthesis
Description : When glycerol is heated with oxalic acid at 260°C, it gives (a) 1,2-Propanediol (b) Vinyl alcohol (c) 1,3-Propanediol (d) Allyl alcohol
Last Answer : Allyl alcohol
Description : Glycerol on treatment with oxalic acid at `110^(@)C` forms
Last Answer : Glycerol on treatment with oxalic acid at `110^(@)C` forms A. Allyl alcohol B. Formic acid C. `CO_(2)` and `CO` D. Glyceric acid
Description : One mole of diethyl ether on heating with conc. HI gives
Last Answer : One mole of diethyl ether on heating with conc. HI gives A. 1 mole of `C_(2)H_(5)I` and 1 ... Iodoethane and ethonol but not in a `1:1` mole ratio
Description : Anisole on heating with concentrated HI gives (a) Iodobenzene (b) Phenol + CH3I (c) Iodobenzene + CH3OH (d) Phenol + CH3OH
Last Answer : Phenol + CH3I
Description : 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' ... the chemical reaction of formation of Y' and also write the role of sulphuric acid in the reaction. -Science
Last Answer : X-Ethanol/ (C2H5OH)/Ethyl AlcoholY- Ethene / (C2H4)Z- Hydrogen/ (H2)Role of sulphuric acid - dehydrating agent
Description : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by dehydration of the products gives
Last Answer : 4-Hydroxy-4-methylpentanal on heating with excess of methanol in the presence of an acid catalyst followed by ... of the products gives A. B. C. D.
Description : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` and `NH_(4)Cl` gives an octahedral complex Y in the pre
Last Answer : Addition of excess aqueous ammonia to a pink coloured aqueous solution of `MCl_(2).6H_(2)O(X)` ... solution is pink D. Z is a tetrahedral complex.
Description : When phenol is treated with excess of bromine water, it gives
Last Answer : When phenol is treated with excess of bromine water, it gives A. m-bromophenol B. o-and p-bromophenol C. 2, 4-dibromophenol D. 2, 4,6-tribromophenol
Description : When sulphur is boiled is boiled with `Na_2 SO_3`, a compound `(X)` is produced, `(X)` with excess of `AgNO_3` solution gives a compound `(Y)` which i
Last Answer : When sulphur is boiled is boiled with `Na_2 SO_3`, a compound `(X)` is produced, `(X)` with excess of `AgNO_3` ... 2)SO_(5),Ag_(2)SO_(5),Ag_(2)SO_(4)`
Description : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2)O` followed by addition of `H_(2)O` give Q the compound Q on treatment with `
Last Answer : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2) ... and Friedel-Crafts acylation D. Dehydration and Friedel-Crafts acylation
Last Answer : The reaction of compounf P with `CH_(3)MgBr` (excess) in `(C_(2)H_(5)_(2)O` followed by addition of `H_ ... product S is The product S is A. B. C. D.
Description : On treatment of 100mL of 0.1 M solution of `CoCl_(3).6H_(2)O` with excess `AgNO_(3),1.2xx10^(22)` ions are precipitated. The complex is :
Last Answer : On treatment of 100mL of 0.1 M solution of `CoCl_(3).6H_(2)O` with excess `AgNO_(3),1.2xx10^(22)` ions are ... `[Co(H_(2)O)_(4)Cl_(2)]Cl.2H_(2)O`
Description : what is role of glycerol is used in preparation of competent cells ? -Biology
Last Answer : answer:
Description : Assertion :- Bile helps in emulsification of fats. Reason `:-` During emulsification fat is brokendown into fatty acid and glycerol.
Last Answer : Assertion :- Bile helps in emulsification of fats. Reason `:-` During emulsification fat is brokendown ... D. If both Assertion & Reason are false.
Description : The enzyme that catalyse the changing of emulsified oils to fatty acids and glycerol is -
Last Answer : The enzyme that catalyse the changing of emulsified oils to fatty acids and glycerol is - A. Pepsin B. Lipase C. Amylase D. Sucrose
Description : Fatty acids and glycerol are first absorbed by
Last Answer : Fatty acids and glycerol are first absorbed by A. Lymph vessels B. Blood C. Blood capillaries D. Hepatic portal Vein
Description : If fatty acids were to be respired they would first be degraded to (A)____ and enter the pathway. Glycerol would enter the pathway after being convert
Last Answer : If fatty acids were to be respired they would first be degraded to (A)____ and enter the ... enter the pathway after being converted to (B)____
Description : Fill in the blanks and complete the following paragraph fatty acids and glycerol being (a)____, cannot be absorbed into the blood. They are first inco
Last Answer : Fill in the blanks and complete the following paragraph fatty acids and glycerol being (a)____, ... release the absorbed substances into the (f)_____
Description : Fatty acids and glycerol are not absorbed into the blood. Why?
Last Answer : Fatty acids and glycerol are not absorbed into the blood. Why?
Description : Glyptal polymer is obtained from glycerol on reacting with:
Last Answer : Glyptal polymer is obtained from glycerol on reacting with: A. malonic acid B. phthalic acid C. maleric acid D. acetic acid
Description : Glycerol does not contain..... Alcoholic group
Last Answer : Glycerol does not contain..... Alcoholic group A. `1^(@)` B. `2^(@)` C. `3^(@)` D. `1^(@)` and `2^(@)`
Description : Glycerol `overset(KHSO_(4))to A overset(LiAlH_(4))to B.`
Last Answer : Glycerol `overset(KHSO_(4))to A overset(LiAlH_(4))to B.` A. Acrolein, allyl alcohol B. Glyceryl ... , acrolein D. only acrolein (B is not formed)
Description : Acrolein is formed when glycerol is heated with
Last Answer : Acrolein is formed when glycerol is heated with A. Acidified `KMnO_(4)` B. `Br_(2)` water C. `KHSO_(4)` D. `HNO_(3)`
Description : Which are not cleaved by `HIO_(4)`? (I) Glycerol (II) glycol (III) 1, 3-propenediol (IV) methoxy-2-propanol
Last Answer : Which are not cleaved by `HIO_(4)`? (I) Glycerol (II) glycol (III) 1, 3-propenediol (IV) methoxy-2-propanol A. ... , IV B. I, II C. II, III D. III, IV
Description : What is found at the end of a fatty acid that does not attach to glycerol?
Last Answer : The carboxyl group -COOH attaches to glycerol. The other end is a hydrocarbon chain.
Description : In the triglyceride molecule what are three molecules attached to the glycerol molecule?
Last Answer : Fatty acids (apex)
Description : Is a glycerol associated with carbohydrate?
Last Answer : Chemically glycerine may be considered as a derived member of the carbohydrates. Also FDA has the intention to include glycerine on food labels.
Description : What is the pH of glycerol?
Last Answer : What is the answer ?
Description : Protein kinase C is activated by (A) Cyclic AMP (B) Cyclic GMP (C) Diacyl glycerol (D) Inositol triphosphate
Last Answer : Answer : C
Description : Glucose cannot be synthesized from (A) Glycerol (B) Lactate (C) Alanine (D) Leucine
Last Answer : Answer : D
Description : Glycerol-3-phosphate for the synthesis of triglycerides in adipose tissue is derived from (A) Phosphatidic acid (B) Diacylglycerol (C) Glycerol (D) Glucose
Description : Glycerol can enter glycolytic pathway via (A) Dihydroxyacetone phosphate (B) 1, 3-Biphospoglycerate (C) 3-Phosphoglycerate (D) 2-Phosphoglycerate
Last Answer : Answer : A
Description : The principal action of insulin in adipose tissue is to inhibit the activity of the (A) Hormone sensitive lipoprotein lipase (B) Glycerol phosphate acyltransferase (C) Acetyl-CoA carboxylase (D) Pyruvate dehydrogenase
Description : The common precursor in the biosynthesis of triacylglycerol and phospholipids is (A) 1, 2-Diacylglycerol phosphate (B) 1-Acylglycerol 3-phosphate (C) Glycerol 3-phosphate (D) Dihydroxyacetone phosphate
Description : The enzyme glycerol kinase is low activity in (A) Liver (B) Kidney (C) Intestine (D) Adipose tissue
Description : In the biosynthesis of triglycerides from glycerol 3-phosphate and acyl-CoA, the first intermediate formed is (A) 2-Monoacylglycerol (B) 1, 2-Diacylglycerol (C) Lysophosphatidic acid (D) Phosphatidic acid
Description : The glycerol for fatty acid esterification in adipocytes is (A) For the most part, derived from glucose (B) Obtained primarily from phosphorylation of glycerol by glycerol kinase (C) Formed from gluconeogenesis (D) Formed from glycogenolysis ENZYMES 153
Description : FAD is a coenzyme for (A) Succinate dehydrogenase (B) Glycerol-3-phosphate dehydrogenase (C) Sphingosine reductase (D) All of these
Description : Acroleic test is given by (A) Cholesterol (B) Glycerol (C) Glycosides (D) Sphingol
Last Answer : Answer : B