Thiol group of cysteine gives red colour with (A) Sodium acetate (B) Lead acetate (C) Sodium nitroprusside (D) Barfoed’s reagent

1 Answer

Answer :

Answer : C

Related questions

Description : In nitroprusside test, amino acid cysteine produces a: (A) Red colour (B) Blue colour (C) Yellow colour (D) Purple colour

Last Answer : Answer : A

Description : Guanidine group of argentine gives positive test with (A) Lead acetate (B) Sakaguchi reagent (C) Tricholoroacetic acid (D) Molisch’s reagent

Last Answer : Answer : B

Description : Sodium nitroprusside `Na_(2)[Fe(CN)_(5)NO]` is used as a reagent for the detection of

Last Answer : Sodium nitroprusside `Na_(2)[Fe(CN)_(5)NO]` is used as a reagent for the detection of A. sulphur B. nitrogen C. bromine D. iodine.

Description : In Nitroprusside test, amino acid cystein produces (A) Blue colour complex (B) Red colour (C) Yellow colour (D) Purple colour

Last Answer : Answer : B

Description : `H_(2)S` reacts with lead acetate forming black compound which reacts with `O_(3)` to form another compound Y. The colour of the compound Y is:

Last Answer : `H_(2)S` reacts with lead acetate forming black compound which reacts with `O_(3)` to form another compound ... : A. black B. violet C. white D. green

Description : Barfoed’s solution is not reduced by (A) Glucose (B) Mannose (C) Sucrose (D) Ribose

Last Answer : C

Description : The distinguishing test between monosaccharides and dissaccharide is (A) Bial’s test (B) Seliwanoff’s test (C) Barfoed’s test (D) Hydrolysis test

Last Answer : C

Description : The distinguishing test between monosaccharides and dissaccharides is (A) Bial’s test (B) Selwanoff’s test (C) Barfoed’s test (D) Hydrolysis test

Last Answer : C

Description : Ethyl acetate on heating with sodium ethoxide gives (a) Ethyl acetoacetate (b) Sodium acetate (c) Ethyl alcohol (d) Diethyl ether

Last Answer : Ethyl acetoacetate

Description : When chloroform is heated with aqueous NaOH, it gives (a) Formic acid (b) Sodium formate (c) Acetic acid (d) Sodium acetate

Last Answer : Sodium formate

Description : What is the balanced chemical equation for lead II acetate and sodium sulphate?

Last Answer : The chemical equation is:Pb(CH3COO)2 + Na2SO4 = 2 CH3COONa + PbSO4(s)Lead sulfate is a precipitate.

Description : Which of the following has the most acidic proton? (a) Thiol (b) Alcohol (c) Phenol (d) Ether

Last Answer : Phenol

Description : Which statements is/are correct about sodium nitroprusside test ?

Last Answer : Which statements is/are correct about sodium nitroprusside test ? A. This test is used ... `+2` oxidation state in sodiumthionitroprusside complex.

Description : All of the following may be useful in the treatment of cardiogenic shock except: A. Dobutamine. B. Sodium nitroprusside. C. Pneumatic antishock garment. D. Intra-aortic balloon pump.

Last Answer : Answer: C DISCUSSION: Cardiogenic shock occurs when the heart fails to generate adequate cardiac output to maintain tissue perfusion. Intrinsic causes such as myocardial dysfunction secondary ... ), which causes an increase in systemic vascular resistance, is contraindicated in cardiogenic shock

Description : The presence of Cobalt in Vitamin B12 was established for the first time by – (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : (2) Spectroscopy Explanation: Atomic absorption spectroscopy is an analytical chemistry technique used for determining concentration of particular metal element and is widely used in pharmaceutics. It was used for the determination of cobalt in Vitamin B12.

Description : A semiconscious patient of haemorrhagic cerebral stroke has been brought to the emergency. His blood pressure is 240/120 mmHg. Select the procedure to lower his blood pressure as ... injection of hydralazine C. Intravenous infusion of sodium nitroprusside D. Intravenous injection of clonidin

Last Answer : C. Intravenous infusion of sodium nitroprussid

Description : The following procedure for rapid lowering of BP in hypertensive urgency/emergency has been abandoned: A. Sublingual/oral nifedipine B. Intravenous glyceryl trinitrate infusion C. Intravenous sodium nitroprusside infusion D. Intravenous esmolol injection

Last Answer : A. Sublingual/oral nifedipine

Description : Tolerance does not develop to the vasodilator action of sodium nitroprusside while it develops to glyceryl trinitrate because: A. Intact sod. nitroprusside molecule acts like nitric oxide B. Enzymes which ... a long duration of action D. Sod. nitroprusside has additional K+ channel opening action

Last Answer : B. Enzymes which generate nitric oxide from nitroprusside are different

Description : Select the vasodilator that is administered only by slow intravenous infusion and dilates both resistance as well as capacitance vessels: A. Minoxidil B. Diazoxide C. Sodium nitroprusside D. Glyceryl trinitrate

Last Answer : C. Sodium nitroprusside

Description : Select the drug which is a potassium channel opener as well as nitric oxide donor: A. Diazoxide B. Sodium nitroprusside C. Minoxidil D. Nicorandil

Last Answer : D. Nicorandil

Description : Which of the following drug can result in result in cyanide poisoning? A. Amyl nitrite B. Hydroxycobalamine C. Sodium nitroprusside D. Sodium thiosulphate

Last Answer : C. Sodium nitroprusside 

Description : The presence of Cobalt in Vitamin B12 was established for the first time by (1) Hydrolysis test (2) Spectroscopy (3) Borax-Bead test (4) Sodium Nitroprusside test

Last Answer : Spectroscopy

Description : Sulphydryl group is present in (A) Cysteine (B) Methionine (C) Both (A) and (B) (D) None of these

Last Answer : Answer : A

Description : Iodine gives a red colour with (A) Starch (B) Dextrin (C) Glycogen (D) Inulin

Last Answer : C

Description : Indole group of tryptophan responses positively to (A) Glyoxylic acid (B) Schiff’s reagent (C) Biuret test (D) Resorcinol test

Last Answer : Answer : A

Description : Iodo-acetate inhibits enzyme by reacting with which group at the active site of the enzyme?

Last Answer : Sulfhydryl group.

Description : A solution of sodium thiosulphate on addition of few drops of ferric chloride gives violet colour due to the formation of

Last Answer : A solution of sodium thiosulphate on addition of few drops of ferric chloride gives violet colour due to the formation of ... `Fe_(2)(S_(2)O_(3))_(2)`

Description : What is the difference between a sodium vapour lamp, Which gives out a yellowish colour illumination, and a mercury vapour lamp that gives out a white colour illumination?

Last Answer : Answer I: The light in Sodium Vapour lamp is from an atomic emission process whereas in Mercury Vapour Lamp it is, finally, from fluorescence emission. The mechanism of light emission in a sodium ... from a fluorescent lamp is moderate (60 lumens/watt) while the color-rendering index is high.

Description : Acetaldehyde on treatment with Tollens' reagent gives a precipitate of (a) Ag (b) AgNO3 (c) Cu2O (d) None of these

Last Answer : Ag

Description : A hydrocarbon, C6H12, on ozonolysis gives only one product which does not give silver mirror with Tollens' reagent. The hydrocarbon is (a) 2,3-Dimethyl-2-butene (b) 2-Hexene (c) 2-Methyl-2-pentene (d) 3-Hexene

Last Answer : 2,3-Dimethyl-2-butene

Description : What is the answer and how did you get it using the balanced equation from problem 4 Determine the limiting reagent if you start with 200 grams of sodium hydroxide and 100 grams of sulfuric acid?

Last Answer : The chemical equation is:2 NaOH + H2SO4 = Na2SO4 + 2 H2OMolar mass of sodium hydroxide is 39,9971 g; molar mass of sulfuric acid is 98,079 g.2 . 39,9971 g NaOH----------------------98,079 g H2SO4200 g ... ---------xx = (200 x 98,079)/2 . 39,9971 = 245 g H2SO4So sulfuric acid is the limiting reagent.

Description : Chemical name of Grignard reagent is (A) Sodium thiosulphate (B) Ethyl magnesium chloride (C) Sodium sulphite (D) Sodium bicarbonate

Last Answer : (B) Ethyl magnesium chloride

Description : Which of the following amino acids has a sulfur in the R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Last Answer : Tyrosine

Description : Which of the following amino acids has an aromatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Tyrosine

Last Answer : Tyrosine

Description : Which of the following amino acids has an aliphatic R group? (a) Serine (b) Cysteine (c) Asparagine (d) Leucine

Last Answer : Leucine

Description : A mixed salt of calcium acetate formate on dry distillation gives

Last Answer : A mixed salt of calcium acetate formate on dry distillation gives A. ethanal B. methanal C. propanone D. All the three above

Description : A mixed salt of calcium acetate formate on dry distillation gives

Last Answer : A mixed salt of calcium acetate formate on dry distillation gives A. ethanal B. methanal C. propanone D. All the three above

Description : Ammonium acetate on strong heating gives (a) Urea (b) Formamide (c) Uric acid (d) Acetamide

Last Answer : Acetamide

Description : Calcium acetate on strong heating gives (a) Methane + CaCO3 (b) Ethane + CaCO3 (c) Acetone + CaCO3 (d) Ethane + CaO

Last Answer : Acetone + CaCO3

Description : Acetic anhydride is prepared in the laboratory by heating sodium acetate with

Last Answer : Acetic anhydride is prepared in the laboratory by heating sodium acetate with A. ethyl chloride B. acetyl chloride C. Conc. `H_(2)SO_(4)` D. zinc dust

Description : Acetic anhydride is prepared in the laboratory by heating sodium acetate with

Last Answer : Acetic anhydride is prepared in the laboratory by heating sodium acetate with A. ethyl chloride B. acetyl chloride C. Conc. `H_(2)SO_(4)` D. zinc dust

Description : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other to give ethyl acetate. The A and B are

Last Answer : Two organic compound A and B react with sodium metal and release `H_(2)` gas. A and B react with each other ... (3)OH` D. `CH_(3)COOH " and " HCOOH`

Description : How many ions are in sodium acetate?

Last Answer : 1 ion

Description : Which of the following complications of TPN are appropriately managed with the listed treatment? a. Air embolism-place patient in reverse Trendelenburg and the left lateral decubitus position ... dioxide retention-decrease glucose calories and replace with fat d. Line sepsis-intravenous antibiotics

Last Answer : Answer: b, c A number of complications of TPN can occur which can be divided into three types: mechanical, metabolic, and infectious

Description : An advantge of betamethasone acetate over betamethasone sodium phosphate is (a) Fewer allergic reactions (b) Prompter action (c) More sustained action (d) Greater solubility (e) There is no advantage

Last Answer : Ans: C

Description : ‘Plaster of paris’ chemically known as (1) Sodium Aluminate (2) Calcium sulphate (3) Spdium bicarbonate (4) Sodium acetate

Last Answer : (2) Calcium sulphate Explanation: Calcium sulphate is a calcium salt that is used for a variety of purposes. It exists in various forms and states of hydration.

Description : Which one of the following is found in kidney stones? (1) Sodium oxalate (2) Calcium oxalate (3) Sodium chloride (4) Calcium acetate

Last Answer : (2) Calcium oxalate Explanation: Calcium is one component of the most common type of human kidney stones, calcium oxalate. Some studies suggest people who take supplemental calcium have a higher risk ... have been used as the basis for setting the recommended daily intake for calcium in adults.

Description : Study the following table and choose the correct option: Salt - Parent Acid - Parent Base - Nature of Salt (a) Soidum Chloride - HCI - NaOH - Basic (b) Sodium Carbonate - H2CO3 - NaOH - Neutral (c) Sodium Sulphate - H2SO4 - NaOH - Acidic (d) Sodium Acetate - CH3COOH - NaOH - Basic

Last Answer : Answer: (d) Sodium Acetate - CH3COOH - NaOH - Basic

Description : What happens when: a) When a mixture of sodium acetate and soda lime is heated in a hard glass test tube.

Last Answer : Methane gas is evolved. CH 3 COONA + NaOH CaO Na 2 CO 3 + CH 4 b) Methane is burnt in air or oxygen or methane undergoes complete combustion. It forms carbon dioxide and water. CO 2 + H ... ultraviolet light (sunlight). Organic product chloromethane is formed CH 4 + Cl 2 UV CH 3 Cl + HCl