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The best indicator for detection of end ...

The best indicator for detection of end point in titration of a weak acid and a strong base is

A

Methyl orange (3 to 4)

B

Methyl red ( 5 to 6)

C

Bromothymol blue ( 6 to 7.5)

D

Phenolphthalein (8 to 9.6)

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RESONANCE ENGLISH-IONIC EQUILIBRIUM-Exercise 1 part 2 only one option correct type
  1. pH of a mixture containing 0.10 M X^(-) and 0.20 M HX is: [pK(b)(X^(-)...

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  2. K(a) for HCN is 5 xx 10^(-10) at 25^(@)C. For maintaining a constant p...

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  3. A buffer solution made up of BOH of total maturity 0.29M has pH=9.6 an...

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  4. The pH of a solution resulting from the addition of 12.5mL of 0.1M HCl...

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  5. What % of the carbon in the H(2)CO(3)-HCO(3)^(-) buffer should be in t...

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  6. In the system X+2Y⇌Z, the equilibrium concentrations are, [X]=0.06 mol...

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  7. Buffer capacity of a buffer solution is x, the volume of 1 M NaOH adde...

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  8. Select the correct set of the statements for an acid type indicator us...

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  9. What is the role of indicator in titration ?

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  10. A certain indicator (an organic dye) has pK(a)=5. For which of the fol...

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  11. The best indicator for detection of end point in titration of a weak a...

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  12. At pH lt3.1, the indicator methyl red is coloured red ,at pH gt 6.3 , ...

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  13. What fraction of an indicator Hi n is the basic form at a pH of 5 if t...

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  14. Upon titrating 50mL of 1.96%(w//v) H(2)SO(4) with a KOH solution (cont...

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  15. 100 mL of 0.02 M benzoic acid (pK(a)=4.20) is titrated using 0.02 M Na...

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  16. Which of the following solutions have different pH? 100mL" of "0.2m"...

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  17. Upon titrating a solution of weak monoprotic acid with a weak monoacid...

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  18. In the neutralization process of H(3)PO(4) and NaOH, the number of buf...

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  19. Calculate the pH of 0.1 M NH3 solution . Given that Kb = 1.8 X 10^(-5)...

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  20. What will be the pH at the equivalence point during the titration of a...

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