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Conc. HNO3 stains wood yellow because....

Conc. `HNO_3` stains wood yellow because.

A

The skin and wool is burned by acid

B

Nitro cellulose is formed

C

The proteins are converted into xanthoproteins.

D

The water is removed by acid.

Text Solution

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The correct Answer is:
C
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 15 ELEMENTS - THE NITROGEN FAMILY-Exercises (Single Correct)
  1. The compound of nitrogen which is supporter of combustion and is call...

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  2. Copper reacts with dil. HNO3 to form a nitrate and

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  3. Conc. HNO3 stains wood yellow because.

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  4. Nitrogen sesquioxide is.

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  5. Conc. HNO3 stains wood yellow because.

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  6. When silver nitrate is heated, the product are

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  7. The strongest acid is

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  8. Which is strongest base

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  9. In which of the following states nitric oxide is paramagnetic.

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  10. Which of the following is coloured ?

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  11. The three electron bond is present in the structure of

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  12. Anthracene is purified by

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  13. Which of the following combines with Fe^(2+) ions to form brown comple...

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  14. Nitrogen reacts with calcium and carbon or when N2 gas is passed over ...

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  15. NH3 has pyramidal structure with HNH bond angle of 107^@ it forms comp...

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  16. NH3 is a Lewis base and is used for cooling in refrigeration is dried ...

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  17. Catalytic oxidation of NH3 (passing a mixture of NH3 and air over heat...

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  18. Ordinary strong solution of HCl, HNO3 and H2 SO4 contains roughly.

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  19. Dilute HNO3 cannot be concentrated beyond 68 % by boiling because.

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  20. Fuming HNO3 (containing 98 % of HNO3) is obtained.

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