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An alkali is titrated against an acid wi...

An alkali is titrated against an acid with methyl orange as indicator, which of the following is a correct combination?

A

Base -Strong, Acid- Strong, End Point -pink to colourless

B

Base -weak, Acid- strong, End Point -colourless to pink

C

Base -strong, Acid- strong, End Point -pinkish red to yellow

D

Base -weak, Acid- strong, End Point -yellow to pinkish red

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The correct Answer is:
D
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  3. When one drop of a concentrated HC1 is added to 1L of pure water at 25...

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  5. pH of an aqueous 1 xx 10^(-8) M NaOH solution is

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  6. The pH of 1 xx 10^(-3) M H(2)O(2) solution (K(a)=2.2 xx 10^(-12)) is

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  7. The pH of an aqueous solution of 0.01 M CH(3)COONH(4)" at "25^@C is (...

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  8. The equilibrium: 2Cu^(1) Leftrightarrow Cu^0+ Cu^(u) in aqueous medium...

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  9. How many litres of water must be added to 1 L of an aqueous solution o...

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  10. The K(sp) of Ag(2)CrO(4) is 1.1xx10^(-12) at 298K. The solubility (in ...

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  11. The reagment (s) that can selectively precipitate S^(2-) from a mixtu...

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  12. pK(a) of a weak acid (HA) and pB(b) of a weak base (BOH) are 3.2 and 3...

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  13. In the following reaction, ZnO is respectively acting as a/an (i) Zn...

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  14. An alkali is titrated against an acid with methyl orange as indicator,...

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  15. An aqueous solution contains an unknown concentratioon of Ba^(2+), Whe...

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  16. Which of the following are Lewis acids?

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  17. An aqueous solution contains 0.10 M H2S and 0.20 M HCl. If the equilib...

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  18. Following four solution are prepared by mixing different volumes of Na...

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  19. Calculate the volume of water required to dissolve0.1g lead (II) chlor...

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  20. Dilution processes of different aqueous solutions with water are given...

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