Chemical Properties of Acids and Bases

IMPORTANT

Chemical Properties of Acids and Bases: Overview

This topic covers concepts, such as Chemical Properties of Acids, Reactions of Acid with Metals, Reaction of Zinc with Dilute Sulphuric Acid, Reactions of Bases with Metals, Reaction of Zinc with Sodium Hydroxide, Reactions of Metal Carbonates with Acids, Reactions of Metal Hydrogen Carbonates with Acids, Neutralisation Reactions, Reactions of Metallic Oxides with Acids, Reaction of Copper(II) Oxide with Dilute Hydrochloric Acid, Reactions of Non-metallic Oxides with Bases, Reaction of Carbon Dioxide with Lime Water & Nature of Non-Metallic Oxide etc.

Important Questions on Chemical Properties of Acids and Bases

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Aqueous solution of CsO2 is

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15 mL of NaOH solution gets completely neutralized with 10 mL of HCl solution. What volume of the same HCl solution will be required to neutralized 30 mL of the same NaOH solution-

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Aqueous solution of SO2 is

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Zinc reacts with NaOH solution to produce

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Which of the following pair of compounds cannot exist together in a solution? 

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A piece of charcoal was heated over the flame of the burner. When it starts burning it is immediately dipped into a boiling tube containing water. Now, this solution is transferred to another boiling tube and a piece of litmus paper is dipped into it. What will be the observation?

MEDIUM
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Na, Mg, Al and S belong to 3rd period of the periodic table. Out of these, the acidic oxide is formed by

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Select the organic acid from the following:

HARD
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An equal volume of molar hydrochloric acid and sulphuric acid is neutralised by dilute NaOH solution and x Kcal  and y Kcal of heat are liberated. Which of the following is true? 

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What will be the products when an acid reacts with metals?

MEDIUM
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A few drops of ethanoic acid were added to solid sodium carbonate. The observation made was that 

HARD
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0.225g of an organic dibasic acid required 100ml of 0.05N NaOH solution to complete the neutralisation. The molecular mass of the acid will be -

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What happens when dilute Hydrochloric acid is added to iron filings?

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What is the chemical formula of milk of magnesia?

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The solution Y in the burette is slowly dropped onto the solution X in the flask as shown. The pH change obtained against the added volume of Y is given in Graph -1.

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 According to this,

(i) Solution X is acidic.

(ii) when 150 mL of solution Y is added, the pH is >7.

(iii) Complete neutralization occurs when 200mL of solution Y is added.

Which of these judgments is correct?

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Aqueous solution of  H2SO4  is added dropwise in KOH solution as shown

 

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Which statements given below are correct?

(i) The equation for the reaction taking place in the vessel is 

2KOH+H2SO4K2SO4+2H2O

(ii) Complete neutralisation occurs when a solution containing 1 mole of H2SO4 is added.

(iii) The net ion equation for the reaction taking place in the vessel is

H++OH-H2O

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Some statements are given for the process:

Acid + BaseXH2O

(i) It is a neutralization reaction.

(ii) Acid: HNO3, Base: NaOH

(iii) If X: NaBr, Acid: HBr, Base: NaOH

Which of these statements is/are correct?

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Which of the following is not sufficient alone to prove that an aqueous solution is acidic?

(i) Conducting electric current

(ii) Marble abrasion

(iii) Contains H3O+ ion

(iv) Cation concentration higher than anion concentration