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In case N and S are also present along w...

In case N and S are also present along with halogen in the organic compound, the Lassaigne's solution is heated with :

A

Sodium hydroxide

B

Nitric acid

C

Sulphuric acid

D

Soda lime.

Text Solution

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The correct Answer is:
B
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MODERN PUBLICATION-APPENDIX A-Multiple Choice Questions (Level-I)
  1. In the detection of halogen, nitric acid is added to the Lassaigne's e...

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  2. Sodalime test for detection of nitrogen cannot be used for :

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  3. In case N and S are also present along with halogen in the organic com...

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  4. Which of the following pairs has heat of neutralisation equal to -57.1...

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  5. Which of the following neutralisation reaction is most exothermic ?

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  6. The heat of neutralisation of strong acid and strong base is 57.0 kJ. ...

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  7. During the test of N in an organic compound by Lassaigne's extract, pr...

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  8. Equal volumes of 1M HCl and 1M H2SO4 are neutralised by dilute NaOH so...

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  9. The heat of neutralisation of HCl and NaOH is 57.3 kJ "mol"^(-1). The ...

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  10. Which of the following is a lyophobic colloid?

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  11. Which of the following is a hydrophilic colloidal solution?

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  12. Borax bead test is not given by :

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  13. Which compound is formed when excess of KCN is added to an aqueous sol...

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  14. The ion that cannot be precipitated by both HCl and H2S is:

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  15. An aqueous solution of a substance 'X' gives a white ppt. on treatment...

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  16. The compound which gives white ppt. with aqueous AgNO3 and a green fla...

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  17. Which of the following statement is not correct when a mixture of NaCl...

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  18. Solution of a chemical compound 'X reacts with AgNO3 solution to form ...

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  19. A mixture when heated with dil. H2SO4 does not evolve brown vapours bu...

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  20. Which of the following dissolves in both KCN and NH3 to form a comple...

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