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Acetic acid was added to a solid 'X' kep...

Acetic acid was added to a solid 'X' kept in a test tube. A colourless and odourless gas was evolved. The gas turned lime water milky when passed through it. Predict the nature of the solid.

A

solid X is sodium hydroxide and the gas evolved is `CO_(2)`

B

solid X is sodium bicarbonate and the gas evolved is `CO_(2)`

C

solid X is sodium actate and the gas evolve is `CO_(2)`

D

solid X is sodium chloride and the gas evolved is `CO_(2)`.

Text Solution

Verified by Experts

The correct Answer is:
B
`NaHCO_(3)+CH_(3)COOHtoCH_(3)COONa+CO_(2)+H_(2)O`
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The gas that turns lime water milky is

Varun took a sample A and added dilute hydrochloric acid to it. A colourless, odourless gas X was evolved which turned lime water milky. Identify sample A and the gas X evolved. Write a chemical equation to explain the reaction between Sample A and Hydrochloric acid. Why does the gas X turn lime water milky?

(a) When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved. This gas intensified when copper turnings were added to this test tube.On cooling the gas (A) changed into a colourless solid (B). Identify (A) and (B). Writen chemical reactions involved. (b) Drawn structure of XeOF_(4).

(a) When concentrated sulphuric acid was added to an unknown salt present in a test tube a brown gas (A) was evolved . This gas intensified when copper turnings were added to this test tube . On cooling, the gas (A) changed into a colourless solid (B) . (i) Identify (A) and (B). (ii) Write the structures of (A) and (B). (iii) Why does gas (A) change to solid on cooling ? (b) Arrange the following in the decreasing order of their reducing character : HF , HCl , HBr , HI (c) Complete the following reaction : XeF_(4) + SbF_(5) to

When is passed through fresh lime water, it turns milky.

MTG IIT JEE FOUNDATION-ACIDS , BASES AND SALTS -Exercise (Multiple Choice Questions) LEVEL -2
  1. pH of sodium carbonate (Na(2)CO(3)) solution will be

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  2. When bitten by ant, the sting causes irritation due to the presence of

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  3. Acidity in the sugarcane juice is removed by adding

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  4. Which of the following salts on dissolving in water will give a solu...

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  5. In the given series of reaction . What are Y and Z respectively ? ...

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  6. What will be the pH value of a solution if salt of a strong acid a...

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  7. The equation between an acid and a base is XOH+HYtoXY+H(2)O Which...

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  8. P is produced by the action of chlorine on dry slaked lime . Q is ...

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  9. Two solutions A and B were found to have pH value of 6 and 8 respec...

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  10. Acetic acid was added to a solid 'X' kept in a test tube. A colourless...

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  11. A blue litmus paper was first dipped in dil .HCl and then in dil...

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  12. CuO+XtoCuSO(4)+H(2)O.Here (X) is

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  13. Which equilibrium can be described as an acid- base reaction using the...

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  14. One molecule of aluminium hydroxide will require how many molecule...

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  15. While preparing 20% aqueous sodium hydroxide solution in a beaker cer...

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  16. Breaking apart of the positive and negative ions of a compound in so...

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  17. Iron filings were added to a solution of copper sulphate .After 10 m...

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  18. 100 mL of a 0.1 M CH(3)COOH is titrated with 0.1 M NaOH solution .Th...

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  19. Calculate the pH of the solution in which 0.2 M NH(4)Cl and 0.1 M NH(3...

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  20. The pH of 0.05 M Ba(OH)(2) solution is

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