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Classify the following as pure substance...

Classify the following as pure substances or mixtures:

A

a. graphite

B

b. milk

C

c. air

D

d. diamond

Text Solution

Verified by Experts

The correct Answer is:
B
`NO_2^+` is the electrophile involved in the nitration of benzene.
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OMEGA PUBLICATION-AMINES-MULTIPLE CHOICE QUESTIONS
  1. Stephen reduction· converts cyanides to

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  2. Classify the following as pure substances or mixtures:

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  3. Identify the following as homogenous and hetrogenous mixture :

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  4. Which of the following is not an ambident nucleophile?

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  5. Which of the following substances on treatment with P2O5 gives ethanen...

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  6. Methyl cyanide on treatment with methyl magnesium bromide followed by...

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  7. Which of the following represents the poisonous gas which caused trage...

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  8. When propane is subjected fo the treatment with fuming nitric acid at ...

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  9. Which of the following is not a nitro derivative?

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  10. Which of the following structures represent nitrolic acid?

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  11. Which reagent should be employed to get ethyl carbylamine from ethyl i...

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  12. NO2^+ is called

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  13. Explain Mendius reaction.

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  14. Aniline upon heating with conc.HNO3 and conc.H2SO4 mixture gives:

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  15. Which are given by carbylamine reaction?

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  16. Nitrobenzene is subjected to reductfon with zinc dust and ammonium chl...

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  17. A primary nitroalkane is treated with nitrous acid, which of the follo...

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  18. Nitromethane is subjected to the treatment with chlorine in the presen...

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  19. The electrolytic reduction of nitrobenzene in strongly acidic medium p...

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  20. Which of the following on boiling with Na2CO3(aq) gives aniline?

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