Practice Test


Q1) Neutralization of an acid with a base, invariably results in the production of Show Answer


Q2) Ostwald's dilution law is applicable to Show Answer


Q3) Which one is not an acid salt? Show Answer


Q4) Of the given anions, the strongest Bronsted base is Show Answer


Q5) Which of the following is only acidic in nature ? Show Answer


Q6) Which one of the following is an acid salt ? Show Answer


Q7) According to Lewis concept acid is Show Answer


Q8) Which one of the following is the strongest acid ? Show Answer


Q9) Among the following, the weakest base is Show Answer


Q10) Bases do not have property of Show Answer


Q11) According to Lewis concept a base is Show Answer


Q12) Which one of the following oxides is amphoteric ? Show Answer


Q13) Water is Show Answer


Q14) Which of the following is not a Lewis acid ? Show Answer


Q15) Ammonium ion is Show Answer


Q16) Which one of the following can be classified as a Bronsted base? Show Answer


Q17) Which of the following will give maximum ions in solution ? Show Answer


Q18) Which one of the following substances has highest proton affinity ? Show Answer


Q19) The strongest conjugate base is Show Answer


Q20) Sulphanilic acid is a / an Show Answer


Q21) Species acting both as Bronsted acid and base is Show Answer


Q22) At infinite dilution, the percentage ionisation for both strong and weak electrolytes is Show Answer


Q23) The strongest base of the following species is Show Answer


Q24) Which is a Lewis base ? Show Answer


Q25) Which of the following would be an acidic solution? Show Answer


Q26) pH of a solution is defined by the expression Show Answer


Q27) The term pH comes from Show Answer


Q28) 40 mg of pure sodium hydroxide is dissolved in 10 litre of distilled water. The pH of the solution is Show Answer


Q29) Out of the following, the compound whose water solution has the highest pH is Show Answer


Q30) A pH of 7 signifies Show Answer


Q31) When the pH of a solution is 2, the hydrogen ion concentration in moles per litre is Show Answer


Q32) 50 ml of 0.1 M HCl and 50 ml of 0.2 M NaOH are mixed. The pH of resulting solution is Show Answer


Q33) Assuming complete dissociation, the pH of a 0.01 M NaOH solution is equal to Show Answer


Q34) For a solution at 298 K, the sum of pH and pOH will be equal to Show Answer


Q35) The gastric juice in our stomach contains enough HCl to make the hydrogen ion concentration about 0.01 mole / litre. The pH of gastric juice is Show Answer


Q36) Which one of the following has highest pH? Show Answer


Q37) A soda water bottle has pH Show Answer


Q38) The pH of decinormal solution of KOH is Show Answer


Q39) The pH of solution formed by mixing 40 ml of 0.10 m HCl with 10 ml of 0.45 M of NaOH is Show Answer


Q40) 20 ml of 0.1 N HCl is mixed with 20 ml of 0.1 N KOH, the pH of the solution would be Show Answer


Q41) An acid solution of pH = 6 is diluted hundred times. The pH of solution becomes approximately. Show Answer


Q42) An aqueous solution whose pH =1.2 is Show Answer


Q43) A solution of NaCl in contact with atmosphere has a pH of about Show Answer


Q44) A certain sample of beer has a pH of 10. The concentration of hydrogen ion in the beer is Show Answer


Q45) The hydroxyl ion concentration in a solution having pH value 3 will be Show Answer


Q46) The pH of solutions A, B, C and D are respectively 9.5, 2.5, 3.5 and 5.5. The most acidic solution is Show Answer


Q47) pH of water is Show Answer


Q48) The pH of a solution of hydrochloric acid is 4. The molarity of this solution is Show Answer


Q49) Highest pH = 14 is shown by Show Answer


Q50) pH of a solution produced when an aqueous solution of pH = 6 is mixed with an equal volume of an aqueous solution of pH = 3 is about Show Answer


Q51) The pH of a solution is 5. Its hydrogen ion concentration is decreased 100 times, the solution will then be Show Answer


Q52) The pH of blood is Show Answer


Q53) Which one of the following statements is not true ? Show Answer


Q54) If 0.1 M of a weak monobasic acid is taken and its percentage degree of ionisation is 1.34 %, then calculate its ionisation constant. Show Answer


Q55) Which of the following salts when dissolved in water hydrolyses ? Show Answer


Q56) Which of the following salt undergoes hydrolysis ? Show Answer


Q57) Aqueous solution of sodium acetic is Show Answer


Q58) 0.1 M solution of which of the substances will behave as basic ? Show Answer


Q59) An aqueous solution of ammonium acetate is Show Answer


Q60) An aqueous solution of aluminium sulphate would show Show Answer


Q61) The aqueous solution of aluminium chloride is acidic due to Show Answer


Q62) The ionic product of water will increase if Show Answer


Q63) A white salt is readily soluble in water and gives a colourless solutions with a pH of about 9. The salt would be Show Answer


Q64) A monoprotic acid in a 0.1 M solution ionized to 0.001 %. Its ionisation constant is Show Answer


Q65) The value of ionic product of water at 393 K is Show Answer


Q66) Hydrogen ion concentration in mol / L in solution of pH = 5.4 will be Show Answer


Q67) Which of the following salts undergoes anionic hydrolysis ? Show Answer


Q68) The compound whose 0.1 M solution is basic is Show Answer


Q69) Which of the following mixture solution has pH= 1.0 ? Show Answer


Q70) The pH of 0.1 M solution of following increase in the order Show Answer


Q71) The solubility of AgCl will be minimum in Show Answer


Q72) which of the following solutions can not act as a buffer ? Show Answer


Q73) Two solution containing equimolar mixture of sodium acetate and acetic acid , some more amount of sodium acetate solution is added. The pH of mixture solution Show Answer


Q74) The number of moles of acid and base required by 1 litre of buffer to alter its pH by one unit is called Show Answer


Q75) What is incorrect about buffer solution ? Show Answer


Q76) which buffer solution out of the following will have pH > 7 ? Show Answer


Q77) The product of ionic concentration in saturated solution of an electrolyte at the given temperature is constant and is known as Show Answer


Q78) when HCl gas is passed through a saturated solution of common salt, pure NaCl is precipitated because Show Answer


Q79) Which of the following is most soluble? Show Answer


Q80) A mixture of a weak acid (say acetic acid) and its salt with a strong base ( say sodium acetate) is a buffer solution . which other pair of substance from the following may have a similar property? Show Answer


Q81) Buffer solution can be obtained by mixing aqueous solution of Show Answer


Q82) Which one of the following is the buffer solution of strong acidic nature ? Show Answer


Q83) A buffer solution of pH = 9 can be prepared by mixing Show Answer


Q84) The solubility of AgI in NaI solution is less than that in pure water because Show Answer


Q85) Which one of the following is not a buffer solution ? Show Answer


Q86) Why are strong acids generally used as standard solutions in acid - base titrations ? Show Answer


Q87) Addition of 0.05 mole of NaOH to one litre of a buffer solution changes pH from 5.7 to 5.85. The buffer capacity is Show Answer


Q88) The pH indicators are Show Answer


Q89) 1 M NaCl and 1 M HCI are present in an aqueous solution. The solution is Show Answer


Q90) An acidic buffer solution can be prepared by mixing solution of Show Answer


Q91) An acidic buffer solution can be prepared by mixing equimolar amounts of Show Answer


Q92) Precipitation takes place when the ionic product Show Answer


Q93) Which of the following cannot act as a Lewis acid or Bronsted acid ? Show Answer


Q94) Which of the following is a Bronsted acid as well as a Bronsted base ? Show Answer


Q95) Which of the following bases is the weakest ? Show Answer


Q96) An aqueous solution of sodium carbonate has a pH greater than 7 beause Show Answer


Q97) Species acting both as Bronsted acid and base is Show Answer


Q98) The pH at the equivalence point of a titration may differ from 7.0 because of Show Answer


Q99) The pH of a solution obtained by mixing 50 ml of 0.4 M HCl with 50 ml of 0.2 M NaOH is Show Answer


Q100) The pH of a 0.1 M aqueous solution of a weak acid (HA) is 3. Its degree of dissociation is Show Answer