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{:("colourless salt A",overset(NaOH,Delt...

`{:("colourless salt A",overset(NaOH,Delta)rarr,B("gas")),(darrCaCl_(2)"solution",,),(C"whiteppt",,):}`
B gives white fumes with HCl, C decolourises acidified `KMnO_(4)`. What is A?

A

`CaC_(2)O_(4)`

B

`(NH_(4))_(2)C_(2)O_(4)`

C

`NH_(3)`

D

`(NH_(4))_(2)SO_(4)`

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-S-BLOCK ELEMENTS-Single answer type question Level -VI
  1. Which of the following statement is not correct?

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  2. (A-Group IIA compound, C is a pungent odour, coloured and paramagnetic...

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  3. {:("colourless salt A",overset(NaOH,Delta)rarr,B("gas")),(darrCaCl(2)"...

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  4. Identify the correct statement:

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  5. The deliquescent among the following is :

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  6. Which of the following is /are correct statement?

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  7. MgSO(4) overset("lampblack") rarr MgO+Auarr+Buarr Then the incorrect...

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  8. Total number of 2c-2e and 3c-2e bonds in Be(BH(4))(2) are respectively...

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  9. The compound with the lowest melting point of the chlorides is

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  10. Ca(HCO(3))(2) and Ca(OH)(2) cannot be stored in the same vessel due to

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  11. Anhydrous barium nitrate when heated decomposes and produces O(2) and ...

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  12. Which of the following statements is /are correct?

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  13. Which of the following statement is/are correct?

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  14. Which one of the following statement (s) is /are correct?

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  15. Identify the incorrect statement(s)?

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  16. Which of the following statements about the elements, Mg, Ca, Sr and B...

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  17. Select the incorrect statement(s):

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  18. Which of the following statements regarding the oxides of alkali and a...

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  19. Which of the following salts exis (s) as decahydrated crystals?

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  20. Correct statement(s) among the following is/are :

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