What is the Formula of the colored precipitate obtained in the sulfur test or lead acetate test?

What is the Formula of the colored precipitate obtained in the sulfur test or lead acetate test?
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Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate paper black and B evolved a gas w

Description : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate paper black and B evolved a gas w

Last Answer : Two inorganic compounds A and B were heated in a dry test tube. A evolved a colourless gas which turned lead acetate ... ` D. `S^(2-), NO_(3)^(-)`

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

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

Lead acetate test in sewer manhole is done to test the presence of A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours

Description : Lead acetate test in sewer manhole is done to test the presence of A. Methane gas B. Hydrogen sulphide C. Carbondioxide gas D. Diesel vapours

Last Answer : ANS: B

Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with `AgNO_(3)` solution and if the precipitate is hea

Description : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with `AgNO_(3)` solution and if the precipitate is hea

Last Answer : Assertion: A white precipitate is obtained when an aq solution of sodium thiosuphate is treated with ... I is not correct and Statement-II is correct

1. Which is nuclear-capable submarine-launched ballistic missile? 2. Medicine for high blood pressure is obtained from which species? 3. Howmany times has National Emergency been declared? 4. Because of which factor, clouds do not precipitate in deserts? 5. Who headed the Cabinet Mission?

Description : 1. Which is nuclear-capable submarine-launched ballistic missile? 2. Medicine for high blood pressure is obtained from which species? 3. Howmany times has National Emergency been declared? 4. Because ... is associated with a savanna climate? 20. Who was a contemporary of Alexander, the Great?

Last Answer : Answer : 1. Sagarika 2. Rauwolffia species 3. Three times 4. Low humidity 5. Lord Pethick Lawrence 6. Aldehyde 7. Rakesh Nath 8. Reserve Bank of India 9. Absolute humidity 10. Indica 11. If ... 15. Mauryan King Ashoka 16. Dadabhai Naoroji 17. 54 18. Jatropha curcas 19. Scrub 20. Chandragupt Maurya

Acetyl CoA required for de novo synthesis of fatty acids is obtained from (A) Breakdown of existing fatty acids (B) Ketone bodies (C) Acetate (D) Pyruvate

Description : Acetyl CoA required for de novo synthesis of fatty acids is obtained from (A) Breakdown of existing fatty acids (B) Ketone bodies (C) Acetate (D) Pyruvate

Last Answer : Answer : D

A gas has smell like rotten egg and turns lead acetate paper black. The gas is :

Description : A gas has smell like rotten egg and turns lead acetate paper black. The gas is :

Last Answer : A gas has smell like rotten egg and turns lead acetate paper black. The gas is : A. `NO_(2)` B. `H_(2)S` C. `CO_(2)` D. `SO_(2)`

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Description : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Last Answer : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead ... )Orarr` D. `SO_(2)+H_(2)O_(2)rarr`

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Description : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Last Answer : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate ... 2)` C. `H_(2)S` D. `SO_(3)`

Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Description : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate paper black. In the first reaction

Last Answer : Gas X and Gas Y in solution state react to give a turns substance Z. X has unpleasant odour and turns lead acetate ... SO_(2)` D. `SO_(2) and O_(3)`

`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:

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

Which of the following turns lead acetate paper black?

Description : Which of the following turns lead acetate paper black?

Last Answer : Which of the following turns lead acetate paper black? A. `SO_(2)` B. `SO_(3)` C. `H_(2)S` D. `H_(2)SO_(4)`

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

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.

What is the molar mass of : (a) lead acetate, Pb(CH3 COO)2?

Description : What is the molar mass of : (a) lead acetate, Pb(CH3 COO)2?

Last Answer : also known as lead acetate, lead diacetate, plumbous acetate, sugar of lead, lead sugar, salt of Saturn, or Goulard's powder, is a white crystalline chemical compound with a sweet taste. It is made by treating lead(II) oxide with acetic acid.

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

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

Last Answer : Answer : C

If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Description : If a paper moistened with lead acetate for five minutes when placed in manhole turns black. The sewer certainly contains A. Hydrogen sulphide B. Carbon dioxide C. Methane D. Oxygen

Last Answer : ANS: A

Which of the following compounds is used as an antiknock compound? (a) Ethyllithium (b) Tetraethyllead (c) Ethyl acetate (d) Lead acetate

Description : Which of the following compounds is used as an antiknock compound? (a) Ethyllithium (b) Tetraethyllead (c) Ethyl acetate (d) Lead acetate

Last Answer : Tetraethyllead

The commonly used drying oil for oil paints, is (A) Olive oil (B) Linseed oil (C) Kerosene oil (D) Acetate of lead

Description : The commonly used drying oil for oil paints, is (A) Olive oil (B) Linseed oil (C) Kerosene oil (D) Acetate of lead

Last Answer : Answer: Option D

What is the formula of the ionic compound expected to form between the elements sulfur and aluminum?

Description : What is the formula of the ionic compound expected to form between the elements sulfur and aluminum?

Last Answer : The aluminum ion is Al3+ and the sulfide ion is S2-. The formula for aluminum sulfide is Al2S3. In an ionic compound, the size of the charge of each ion becomes the subscript on the opposite ion. This is called the crisscross rule. https://www.YouTube.com/watch?v=99NVKAss5LE&t=240s

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

Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. (A) Chromium (B) Arsenic (C) Copper (D) Manganese

Description : Coloured glass is obtained by mixing of colored salts. Addition of __________ oxide is done to impart greenish blue color to the glass. (A) Chromium (B) Arsenic (C) Copper (D) Manganese

Last Answer : (C) Copper

Urine examination (Benedict’s test) of a 40 yr old obese male showed a brick red precipitate. This can result from all except Options: 1) Diabetes Mellitus 2) Drugs 3) Acute post-streptococcal glomerulonephritis 4) Cushing’s syndrome

Description : Urine examination (Benedict’s test) of a 40 yr old obese male showed a brick red precipitate. This can result from all except Options: 1) Diabetes Mellitus 2) Drugs 3) Acute post-streptococcal glomerulonephritis 4) Cushing’s syndrome

Last Answer : Correct Answer: 3) Acute post-streptococcal glomerulonephritis

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

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

Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Description : Which of the following compounds will give a positive test with Fehling's solution? (a) Formaldehyde (b) Acetone (c) Ethyl acetate (d) Acetic acid

Last Answer : Formaldehyde

Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Description : Which of the following gases is given off in the acid test of a carbonate mineral? w) chlorine x) nitrogen y) carbon dioxide z) sulfur dioxide

Last Answer : ANSWER: Y -- CARBON DIOXIDE

Why is PbI2 precipitate yellow?

Description : Why is PbI2 precipitate yellow?

Last Answer : Colors are a fairly complicated subject. Essentially, a molecule or compound will be a particular color due to numerous factors, but it comes down to what colors are absorbed and what colors ... you might!), for instance Colbalt Chloride is blue: http://en.wikipedia.org/wiki/Cobalt%28II%29_chloride

_______ sediments originate from elements in seawater that precipitate out of solution. -General Knowledge

Description : _______ sediments originate from elements in seawater that precipitate out of solution. -General Knowledge

Last Answer : Hydrogenous sediments originate from elements in seawater that precipitate out of solution.

Write the chemical equation of the reaction in which the following changes have taken place with an example of each: (i) Change in colour (ii) Change in temperature (iii) Formation of precipitate -Chemistry

Description : Write the chemical equation of the reaction in which the following changes have taken place with an example of each: (i) Change in colour (ii) Change in temperature (iii) Formation of precipitate -Chemistry

Last Answer : (i)Cu (s) + 2AgNO3 (aq)———–> Cu(NO3)2(aq) + 2Ag The solution will become blue in colour and shiny silver metal will be deposited. (ii) NaOH + HCl ——&mdash ... )———–> Pbl2 (s) + 2KNO3 (aq) Yellow ppt Yellow precipitate of Pbl2will be formed.

Because of which factor, clouds do not precipitate in deserts? -Do You Know?

Description : Because of which factor, clouds do not precipitate in deserts? -Do You Know?

Last Answer : answer:

Which inorganic precipitate acts as semipermeable membrane? -Do You Know?

Description : Which inorganic precipitate acts as semipermeable membrane? -Do You Know?

Last Answer : answer:

What concentration of `Ag^(+)` ions will be in equilibrium with a saturated solution containing a precipitate of `Ag_(2)CrO_(4) and CrO_(4)`-ion conce

Description : What concentration of `Ag^(+)` ions will be in equilibrium with a saturated solution containing a precipitate of `Ag_(2)CrO_(4) and CrO_(4)`-ion conce

Last Answer : What concentration of `Ag^(+)` ions will be in equilibrium with a saturated solution containing a precipitate of ... D. `5.9xx10^(-6)` moles per litre

The compound that on treatment with benzene sulphonyl chloride, forms a precipitate soluble in alkali, is

Description : The compound that on treatment with benzene sulphonyl chloride, forms a precipitate soluble in alkali, is

Last Answer : The compound that on treatment with benzene sulphonyl chloride, forms a precipitate soluble in alkali, is A. `(C_(2) ... -NH_(2)` D. `CH_(3)-CONH_(2)`

Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of (A) gives an acid (B),`C_(8)H_(6)O_(4)`. (B

Description : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of (A) gives an acid (B),`C_(8)H_(6)O_(4)`. (B

Last Answer : Compound (A) `C_(8)H_(9)Br`, gives a white precipitate when warmed with alcoholic `AgNO_(3)`. Oxidation of ... . Identify the compound (A) A. B. C. D.

`(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be

Description : `(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be

Last Answer : `(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be A. `SCl_(2)` B. `PCl_(3)` C. `NCl_(3)` D. HCl

`(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be

Description : `(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be

Last Answer : `(P) overset(NaH)rarr (Q) uarr overset(CuSO_(4))rarr (R) darr` black precipitate, (P) may be A. `SCl_(2)` B. `PCl_(3)` C. `NCl_(3)` D. HCl

Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Description : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I)HCl (II)HF (III)HI (IV)HBr

Last Answer : Which of the following hydrogen halides react with `AgNO_3` to give a precipitate that dissolves in hypo solution ? (I) ... II),(I) D. (II),(IV),(III)

A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Description : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Last Answer : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate ... (D) X = `H_2`, Y = `Cl_2 `

Which one of the hydracid does not form any precipitate with `AgNO_(3)`?

Description : Which one of the hydracid does not form any precipitate with `AgNO_(3)`?

Last Answer : Which one of the hydracid does not form any precipitate with `AgNO_(3)`? A. (A) HF B. (B) HCI C. (C) HBr D. (D) HI

Silver nitrate solution when added to a colorless aqueous solution E forms a white precipitate which dissolves in excess of E. If the white precipitat

Description : Silver nitrate solution when added to a colorless aqueous solution E forms a white precipitate which dissolves in excess of E. If the white precipitat

Last Answer : Silver nitrate solution when added to a colorless aqueous solution E forms a white precipitate which dissolves in excess ... SO_(3)` D. `Na_(2)SO_(4)`

A sodium salt on treatment with `MgCl_(2)` gives white precipitate only on heating. The anion of the sodium salt is

Description : A sodium salt on treatment with `MgCl_(2)` gives white precipitate only on heating. The anion of the sodium salt is

Last Answer : A sodium salt on treatment with `MgCl_(2)` gives white precipitate only on heating. The anion of the sodium salt is A ... NO_(3)^(-)` D. `SO_(4)^(2-)`

A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Description : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives a white precipitate. The sat

Last Answer : A gas X is passed through water to form a saturated solution. The aqueous solution on treatment with silver nitrate gives ... ` D. `X=H_(2), Y=Cl_(2)`

The reagment (s) that can selectively precipitate `S^(2-)` from a mixture of `S^(2-)` and `SO_(4)^(2-)` in aqueous solution is (are)

Description : The reagment (s) that can selectively precipitate `S^(2-)` from a mixture of `S^(2-)` and `SO_(4)^(2-)` in aqueous solution is (are)

Last Answer : The reagment (s) that can selectively precipitate `S^(2-)` from a mixture of `S^(2-)` and `SO_(4)^(2-)` in ... 3))_(2)` D. `Na_(2)[Fe(CN)_(5)NO]`

`Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/

Description : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately treated with `AgNO_(3)` solution. In how many cases white precipitate is/

Last Answer : `Na_(2)CO_(3),NaCl, NaNO_(2),Na_(2)SO_(3),NaBr,CH_(3)CO O Na` are separately ... solution. In how many cases white precipitate is/are obtained.

A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, which is insoluble in concentrated `

Description : A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, which is insoluble in concentrated `

Last Answer : A salt solution of `Cd^(2+)` in dilute HCl, on treatment with a solution of `BaCl_(2)` gives a white precipitate, ... C. `NO_(2)^(-)` D. `S^(2-)`

A metal salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide

Description : A metal salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as well as in ammonium hydroxide

Last Answer : A metal salt solution gives a yellow precipitate with silver nitrate. The precipitate dissolves in dilute nitric acid as ... (3-)` D. `SO_(4)^(2-)`

When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow precipitate is formed . The formu

Description : When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow precipitate is formed . The formu

Last Answer : When a mixture containing phosphate is heated with conc. `HNO_(3)` and ammonium molybdated solution, a canary yellow ... PO_(4). (NH_(4))_(2)MO_(4)`

Which of the following reagents turns white precipitate of AgCl yellow ?

Description : Which of the following reagents turns white precipitate of AgCl yellow ?

Last Answer : Which of the following reagents turns white precipitate of AgCl yellow ? A. `NaNO_(3)` B. `Na_(3)AsO_(3)` C. `Na_(3)AsO_(4)` D. NaCN

A colouless solution of a compound gives a precipitate with `AgNO_(3)` solution but no precipitate with a solution of `Na_(2)CO_(3)`. The action of co

Description : A colouless solution of a compound gives a precipitate with `AgNO_(3)` solution but no precipitate with a solution of `Na_(2)CO_(3)`. The action of co

Last Answer : A colouless solution of a compound gives a precipitate with `AgNO_(3)` solution but no precipitate with a solution ... `CaCl_(2)` C. `Nal` D. `NaBr`

Which of the following will not give white precipitate with ammoniacal silver nitrate solution ?

Description : Which of the following will not give white precipitate with ammoniacal silver nitrate solution ?

Last Answer : Which of the following will not give white precipitate with ammoniacal silver nitrate solution ? A. `CH_(3)-C-=C-CH_(3)` B. C. D.

A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating with Zn and `NH_(4)Cl` followed by

Description : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating with Zn and `NH_(4)Cl` followed by

Last Answer : A mixture of two organic compound gives red coloured precipitate with cuprous chloride and silver mirror on heating ... mixture contains : A. B. C. D.