Download App

Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes2 Marks
Question
Write down uses of halogen containing organic compounds.
✓

Answer

→ These classes of compounds find wide applications in industry as well as in day-to-day life.
→ They are used as solvents for relatively non- polar compounds and as starting materials for the synthesis of wide range of organic compounds.
→ Chlorine containing antibiotic, chloramphenicol, produced by microorganisms is very effective for the treatment of typhoid fever.
→ Synthetic halogen compounds, viz. chloroquine is used for the treatment of malaria; halothane is used as an anaesthetic during surgery.
→ Certain fully fluorinated compounds are being considered as potential blood substitutes in surgery.
→ Our body produces iodine containing hormone thyroxine the deficiency of which causes a disease called goiter.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Haloalkanes and Haloarenes→Haloalkanes and Haloarenes — all question types→Chemistry STD 12 Science question papers→Rajasthan Board STD 12 Science question papers→Rajasthan Board question paper generator→

Similar questions

Describe the structure of sugars present in DNA and RNA.
→
Calculate the osmotic pressure in pascals exerted by a solution prepared by dissolving $1.0 g$ of polymer of molar mass $185,000$ in $450 \ mL$ of water at $37^\circ C.$
→
For $M^{2+}/M$ and $M^{3+}/M^{2+}$ systems the  values for some metals are as follows:
$Cr^{2+}/Cr$ $- 0.9 V$ $Cr^3/Cr^{2+}$ $- 0.4 V$
$Mn^{2+}/Mn$ $- 1.2 V$ $Mn^{3+}/Mn^{2+}$ $+ 1.5 V$
$Fe^{2+}/Fe$ $- 0.4 V$ $Fe^{3+}/Fe^{2+}$ $+ 0.8 V$
Use this data to comment upon:
  1. The stability of $Fe^{3+}$ in acid solution as compared to that of $Cr^{3+}$ or $Mn^{3+}.$
  2. The ease with which iron can be oxidised as compared to a similar process for either chromium or manganese metal.
→
Write the chemical equation for the following conversion (not more than 2 steps):
Acetone to propene.
→
Cell $Z n _{( s )}\left| Z n _{( aq )}^{2+} \| C u _{( aq )}^{+ 2 }\right| C u _{( s )}$. The value of cell potential for $Cu ( s )$ is positive. What conclusion is drawn from this?
→
How is $p-$nitroaniline is prepared by nitration of aniline? Explain with equations.
→
Explain Rosenmund reduction in brief.
→
Account for the following:
  1. Phenol does not react with $\ce{NaHCO_3}$ whereas carboxylic acids react.
  2. Phenol is more easily nitrated than benzene.
→
Give examples of the common names of carboxylic acid which are derived from Latin or Greek names of their natural sources.
→
a. Differentiate between Ideal solution and Non-ideal solution.
b. 30 g of urea is dissolved in 846 g of water. Calculate the vapour pressure of water for this solution if vapour pressure of pure water at 298 K is 23.8 mm Hg.
→