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Amonst the following, the total number ...

Amonst the following, the total number of compounds whose aqueous solution turns red litmus paper blue is:
`{:(KCN,K_(2)SO_(4),(NH_(4))_(2)C_(2)O_(4),NaCI),(Zn(NO_(3))_(2),FeCI_(3),K_(2)CO_(3),NH_(4)NO_(3)),(LiCN, , ,):}`

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The correct Answer is:
3
Those salts which hydrolyse to give alkaline solution will turn red litmus paper blue. Solutions of KCN, `K_(2)CO_(3), LiCN` are basic in nature and their aqueous solution turns red litmus paper blue.
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Amongst the following, the total number of compounds whose aqueous solution turns red litmus paper blue is: {:(KCN,K_(2)SO_(4),(NH_(4))_(2)C_(2)O_(4),NaCI),(ZN(NO_(3))_(2),FeCI_(3),K_(2)CO_(3),NH_(4)NO_(3)),(LiCN,,,):}

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P BAHADUR-IONIC EQUILIBRIUM-Exercise6
  1. K(a) for HCN is 5.0xx10^(-10) at 25^(@)C. For maintaining a constant p...

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  2. A solution containing 75 mL of 0.2M HCI and 25 mL of 0.2M NaOH. Calcul...

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  3. Calculate the change in pH of water when 0.01 mole of NaOH are added i...

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  4. Calculate the pH at which an acid indicator with K(a) = 1.0 xx 10^(-5)...

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  5. K(SP) of M(OH)(x) is 27xx10^(-12) and its solubility in water is 10^(-...

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  6. If the equilibrium constant for the reaction of weak acid HA with stro...

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  7. Calculate the pH of 0.01M solution of AICI(3), (K(a) of [AI(H(2)O)(6)]...

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  8. Calculate the pH of 0.2M sodium butyrate, (K(a) for butyric acid is 2....

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  9. If pK(a) of acetic acid and pK(b) of ammonium hydroxide are 4.76 each....

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  10. A solution with pH2.699 is diluted two time3s, then calculate the pH o...

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  11. The solubility product of a sparingly soluble metal hydroxide [M(OH)(2...

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  12. Determine degree of dissociation of 0.05M NH(3) at 25^(@)C in a soluti...

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  13. If 2H(2)O((g))hArr2H(2(g))+O(2(g)), K(1)=2.0xx10^(-13) 2CO(2(g))hArr...

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  14. For the given reaction, RNH(2)+H(2)OhArr RNH(3)^(+)+OH^(-). Find the...

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  15. Ionisation constant for acids HA and BH^(+) are 10^(-7) and 10^(-3) re...

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  16. Find the relative strength of two weak acids HA (K(a)=8.0xx10^(-5)) an...

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  17. Find the pH at which an acid indicator having concentration 1.0xx10^(-...

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  18. Amonst the following, the total number of compounds whose aqueous sol...

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  19. Find the total number of diprotic acids among the following: H(3)PO(...

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  20. In 1L saturated solution of AgCI [K(sp) (AgCI) = 1.6 xx 10^(-10)], 0.1...

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