Advertisements
Advertisements
प्रश्न
Write a chemical reaction useful to prepare the following:
Freon – 12 from Carbon tetrachloride
Advertisements
उत्तर
Freon – 12 is prepared by the action of hydrogen fluoride on carbon tetrachloride in the presence of catalytic amount of antimony pentachloride.
\[\ce{\underset{\text{tetrachloride}}{\underset{\text{Carbon}}{CCl4}} + 2HF ->[Sbcl5] 2HCl + \underset{\text{Freon - 12}}{CCl2F2}}\]
APPEARS IN
संबंधित प्रश्न
Which of the following reagent is helpful to differentiate ethylene dichloride and ethylidene chloride?
Consider the reaction,
\[\ce{CH3CH2CH2Br + NaCN → CH3CH2CH2CN + NaBr}\]
This reaction will be the fastest in
Classify the following compound in the form of alkyl, allylic, vinyl, benzylic halides.
C6H5CH2I
Classify the following compound in the form of alkyl, allylic, vinyl, benzylic halides.
\[\begin{array}{cc}\ce{CH3 - CH - CH3}\\
|\phantom{..}\\\ce{Br}\end{array}\]
Classify the following compound in the form of alkyl, allylic, vinyl, benzylic halides.
CH2 = CH – Cl
How will you prepare n propyl iodide from n-propyl bromide?
What are Freons?
Discuss the environmental effects of freons.
Explain the preparation of the following compound.
Chloroform
Two isomers (A) and (B) have the same molecular formula C2H4Cl2. Compound (A) reacts with aqueous KOH gives compound (C) of molecular formula C2H4O. Compound (B) reacts with aqueous KOH gives compound (D) of molecular formula C2H6O2. Identify (A), (B), (C) and (D).
