Chlorine on reaction with hot and concentrated sodium hydroxide gives:

Chlorine on reaction with hot and concentrated sodium hydroxide gives:
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Chlorine on reaction with hot and concentrated sodium hydroxide gives: A. `ClO_3^-` and `ClO_2^-` B. `Cl^-` ... and `ClO_3^-` D. `Cl^-` and `ClO_2^-`
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45. When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from (1) Zero to + 1 and zero to –3 (2) Zero to +1 and zero to –5 (3) Zero to –1 and zero to + 5 (4) Zero –1 and zero to + 3

Description : 45. When Cl2 gas reacts with hot and concentrated sodium hydroxide solution, the oxidation number of chlorine changes from (1) Zero to + 1 and zero to –3 (2) Zero to +1 and zero to –5 (3) Zero to –1 and zero to + 5 (4) Zero –1 and zero to + 3

Last Answer : Zero to –1 and zero to + 5

The reactions of `CI_(2)` gas with cold-dilute and hot-concentrated NaOH in water give sodium salts of two different oxioacids of chlorine, P and Q, r

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Which of the following reactions involve NEITHER oxidation nor reduction? w) burning antimony in chlorine x) decomposition of potassium chlorate y) reaction of sodium with water z) reaction of potassium hydroxide with nitric acid

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Write the balanced equation for the following chemical reactions. (i) Hydrogen + Chlorine → Hydrogen chloride (ii) Barium chloride + Aluminium sulphate → Barium sulphate + Aluminium chloride (iii) Sodium + Water → Sodium hydroxide + Hydrogen -Chemistry-10

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Last Answer : (i) H2 + Cl2 → 2HCl (ii) 3 BaCl2 + Al2(SO4)3 → BaSO4 + 2 AlCl3 (iii) 2Na + 2H2O → 2NaOH + H2↑

When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Description : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are

Last Answer : When chlorine reacts with cold and dilute solution of sodium hydroxide, the products obtained are A. (1) `ClO_2^ ... ClO_2^-` D. `ClO^-` and `ClO_3^-`

What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

Description : What product is formed when electricity is passed throughan aqueous solution of sodium chloride? (1) Sodium and water (2) Sodium oxide (3) Sodium and chlorine (4) Sodium hydroxide

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Write balanced chemical equations for the following word equations: (a) Iron + Chlorine → Iron (III) chloride (b) Magnesium + dil sulphuric acid → Magnesium sulphate + water (c) Magnesium + oxygen → Magnesium oxide (d) Calcium oxide + water → Calcium hydroxide (e) Sodium + chlorine → Sodium chloride

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Last Answer : (A) Chlorine

A metal carbonate X on reacting with an acid gives a gas which when passed through a solution Y gives carbonate back..Identify X and Y. (a) X is sodium carbonate and Y is Sodium hydroxide (b) X is Calcium carbonate and Y is calcium hydroxide (c ) X is Potassium carbonate and Y is Potassium hydroxide. (d) None of above

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Last Answer : (b) X is Calcium carbonate and Y is calcium hydroxide

Propionamide on heating with a mixture of bromine and sodium hydroxide gives (a) Propane (b) Propylamine (c) Propanol (d) Ethylamine

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Which of the following alkenes gives only acetic acid on oxidation with hot concentrated KMnO4. (a) Ethylene (b) 1-Butene (c) Propene (d) 2-Butene

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Last Answer : 2-Butene

What Sodium (Na) and water (H2O) undergo a chemical reaction that produces sodium hydroxide (NaOH and hydrogen gas (H2). Which equation represents this chemical reaction?

Description : What Sodium (Na) and water (H2O) undergo a chemical reaction that produces sodium hydroxide (NaOH and hydrogen gas (H2). Which equation represents this chemical reaction?

Last Answer : 2Na+2H20->2Na0H+H2 ::::apex

What is the balanced equation for the reaction of acetic acid being neutralized by sodium hydroxide?

Description : What is the balanced equation for the reaction of acetic acid being neutralized by sodium hydroxide?

Last Answer : CH3COOH + NaOH ==> H2O + CH3COONa

Sodium reacts with water to form sodium hydroxide and hydrogen gas. The balanced equation which represents the above reaction is (a) Na(s) + 2H20(l) → 2NaOH(aq) + 2H2(g) (b) 2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g) (c) 2Na(s) + 2H20(l) → NaOH(aq) + 2H2(g) (d) 2Na(s) + H20(l) - 2NaOH(aq) + 2H2(g)

Description : Sodium reacts with water to form sodium hydroxide and hydrogen gas. The balanced equation which represents the above reaction is (a) Na(s) + 2H20(l) → 2NaOH(aq) + 2H2(g) (b) 2Na(s) + 2H2O(l) → 2NaOH(aq) +H2(g) (c) 2Na(s) + 2H20(l) → NaOH(aq) + 2H2(g) (d) 2Na(s) + H20(l) - 2NaOH(aq) + 2H2(g)

Last Answer : Answer: (b)

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

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Last Answer : the reaction of sodium ethanoate with soda-lime

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In Down’s cell, why the reaction between sodium metal and chlorine gas must be avoided? And how could we prevent reaction between them?

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Last Answer : Ans:In Down’s cell electrolysis of fused NaCl yields sodium metal and chlorine gas .If these are not separated these will react to form Nacl again. So to prevent these reaction in Down’s cell, we place a steel gauze between cathode and anode.

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-)`

nitric acid + sodium hydroxide?

Description : nitric acid + sodium hydroxide?

Last Answer : SODIUM HYDROXIDE commonly known as caustic soda is industriallymanufactured by the electrolysis of brinein the lab, it is prepared by heating an excess of slaked limewith 10 percent sodium ... with sodium hydroxide (danger: takeprecautions with greatest care) to form sodium nitrate pluswater.

What is Sodium Hydroxide ?

Description : What is Sodium Hydroxide ?

Last Answer : Sodium hydroxide is a chemical known as caustic soda. It is an inorganic compound whose chemical symbol is NaOH . It is a white solid. It is available in the market in the form of pellets , ... . Its religion is alkaline. This alkali slowly absorbs moisture and carbon dioxide ( CO2) from the air.

What are the chemical signals of Sodium Hydroxide ?

Description : What are the chemical signals of Sodium Hydroxide ?

Last Answer : : The chemical symbol of sodium hydroxide is NaOH

What are the chemical signals of Sodium Hydroxide ?

Last Answer : : The signal for sodium hydroxide is NAOH

What are the chemical signals of Sodium Hydroxide ?

Last Answer : The chemical signal of sodium hydroxide is NaOH

What is Sodium Hydroxide called ?

Last Answer : Sodium hydroxide is called caustic soda

The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Description : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is :

Last Answer : The major product obtained on interaction of phenol with sodium hydroxide and carbon dioxide is : A ... acid C. phthalic acid D. benzoic acid

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... . `II gt I gt IV gt III`

Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Description : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to give a primary amine that ha

Last Answer : Hofmann rearrangement In the Hofmann rearrangement an unsubstituted amide is treated with sodium hydroxide and bromide to ... O)overset(||)(C)-NH_(2)`

What is sodium oxide combines with water to make sodium hydroxide?

Description : What is sodium oxide combines with water to make sodium hydroxide?

Last Answer : The chemical reaction is:Na2O = H2O = 2 NaOH

How many moles are in 8 grams of sodium hydroxide?

Description : How many moles are in 8 grams of sodium hydroxide?

Last Answer : 0.2 mol

Is sodium hydroxide binary or polyatomic?

Description : Is sodium hydroxide binary or polyatomic?

Last Answer : Sodium hydroxide (NaOH) is polyatomic (contain atoms of Na, O and H).

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?

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.

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What is the colour of indicator in sodium hydroxide solution?

Description : What is the colour of indicator in sodium hydroxide solution?

Last Answer : The pH-paper Merck Art. 9565 is red to violet.

What chemical compound is formed when sodium atoms combine with hydroxide groups?

Description : What chemical compound is formed when sodium atoms combine with hydroxide groups?

Last Answer : A group hydroxide doesn't exist.

Is the neutralization of citric acid and sodium hydroxide acid base or neutral?

Description : Is the neutralization of citric acid and sodium hydroxide acid base or neutral?

Last Answer : Sodium citrate solution is basic.

Sodium hydroxide poisoning?

Description : Sodium hydroxide poisoning?

Last Answer : DefinitionSodium hydroxide is a very strong chemical that is also known as lye and caustic soda. This article discusses poisoning from touching, breathing in (inhaling), or swallowing ... .It may also be found in certain household products, including:Aquarium productsClinitest tabletsDrain cle

Is sodium hydroxide solution hazardous?

Description : Is sodium hydroxide solution hazardous?

Last Answer : It is. Solutions of concentration 0.5M or greater should be labelled 'corrosive' and more dilute solutions as 'irritant'.

The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Description : The pH value of 12 may be of an aqueous solution of 1. Sodium hydroxide 2. Lithium hydroxide 3. Sodium chloride 4. Hydrogen chloride The correct statements are: (a) 1 and 2 (b) 2 and 4 (c) 3 and 4 (d) 1 and 4

Last Answer : Ans:(a)

Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

Description : Lime water contains (a) sodium hydroxide (b) calcium hydroxide (c) sodium carbonate (d) calcium chloride

Last Answer : Ans:(b)

Which one of the following is used as a food preservative? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Description : Which one of the following is used as a food preservative? (1) Sodium benzoate (2) Sodium thiosulphate (3) Sodium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium. benzoate Explanation: Sodium benzoate has the chemical formula. NaC6H5CO2, it is a widely used food preservative, with E number E211. It is the sodium salt of benzoic acid and exists in this form when dissolved in water. It can be produced by reacting sodium hydroxide with benzoic acid.

Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Description : Another name for baking soda is : (1) Sodium bicarbonate (2) Sodium carbonate (3) Sodium sulphate (4) Sodium hydroxide

Last Answer : (1) Sodium bicarbonate Explanation: Sodium bicarbonate (NaHCO2)is known as baking soda.

The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Description : The chemical name for common salt - (1) Sodium chloride (2) Sodium hydroxide (3) Sodium chlorate (4) Potasium chloride

Last Answer : (1) Sodium chloride Explanation: Sodium chloride is also known common salt is an ionic compound with the chemical formula NaCl, representing a 1:1 ratio of sodium and chloride ions.

What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Description : What is the product formed when sodium bicarbonate is heated strongly? (1) Sodium Carbonate (2) Sodium Hydroxide (3) Sodium Peroxide (4) Sodium Monoxide

Last Answer : (1) Sodium Carbonate Explanation: When sodium bicarbonate is strongly heated, it decomposes into sodium carbonate, water vapor, and carbon dioxide. Solid sodium carbonate is a white powder and is used in ... name 'baking powder'; sodium bicarbonate is used in baking under the name 'baking soda'.

An antiknock for petrol is - (1) sodium hydroxide (2) ethanol (3) sodium benzoate (4) lead tetraethyl

Description : An antiknock for petrol is - (1) sodium hydroxide (2) ethanol (3) sodium benzoate (4) lead tetraethyl

Last Answer : (4) lead tetraethyl Explanation: The organic compound that is used as an antiknock agent in petroleum is tetraethyl lead. This is a lead based organic compound.

Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Description : Glass is mainly composed of - (1) Sodium silicate (2) Calcium carbonate (3) Calcium hydroxide (4) Sodium bicarbonate

Last Answer : (1) Sodium silicate Explanation: Glass is made from silica (SiO₂) and soda lime, which react to form sodium silicate.

The scientific name for common salt is - (1) Sodium hydroxide (2) Sodium chloride (3) Ammonium chloride (4) Sodium hydrogencarbonate

Description : The scientific name for common salt is - (1) Sodium hydroxide (2) Sodium chloride (3) Ammonium chloride (4) Sodium hydrogencarbonate

Last Answer : (2) Sodium chloride Explanation: Common salt is known as sodium chloride. It is an important raw material for various materials of daily use, such as sodium hydroxide, baking soda, washing soda etc.