Advertisements
Advertisements
Question
p – dichlorobenzene has a higher melting point than those of o – and m – dichlorobenzene.
Advertisements
Solution
p – dichlorobenzene has a higher melting point than those of o – and m – dichloro benzene. The higher melting point of p – isomer is due to its symmetry which leads to more close packing of its molecules in the crystal lattice and consequently strong intermolecular attractive force which requires more energy for melting. p – Dihalo benzene > o – Dichloro benzene> m – Dichioro benzene.
Melting point: 323 K 256 K 249 K
APPEARS IN
RELATED QUESTIONS
Benzene reacts with Cl2 in the presence of FeCl3 and in absence of sunlight to form ______.
Which one of the following is most reactive towards nucleophilic substitution reaction?
Silver propionate when refluxed with Bromine in carbon tetrachloride gives ______.
Give reasons for the polarity of C – X bond in haloalkane.
t – butyl chloride reacts with aqueous KOH by SN1 mechanism while n – butyl chloride reacts with SN2 mechanism.
In an experiment ethyliodide in ether is allowed to stand over magnesium pieces. Magnesium dissolves and product is formed
- Name the product and write the equation for the reaction.
- Why all the reagents used in the reaction should be dry? Explain.
- How is acetone prepared from the product obtained in the experiment.
Predict the products when Bromo ethane is treated with the following.
AgNO2
Starting from CH3MgI, How will you prepare the following?
Iso propyl alcohol
Complete the following reaction.
\[\ce{CH3 - CH = CH2 + HBr ->[Peroxide]}\]
The simplest alkene (A) reacts with HCl to form a compound (B). Compound (B) reacts with ammonia to form compound (C) of molecular formula C2H7N. Compound (C) undergoes carbylamine test. Identify (A),
(B) and (C).
