Download App

Solutions — Chemistry STD 12 Science — Question

Bihar BoardEnglish MediumSTD 12 ScienceChemistrySolutions1 Mark
MCQ
Intermolecular forces between two benzene molecules are nearly of same strength as those between two toluene molecules. For a mixture of benzene and toluene, which of the following are not true?
  • A
    $\Delta_{\text{mix}}\text{H}=\text{zero}$
  • B
    $\Delta_{\text{mix}}\text{V}=\text{zero}$
  • C
    These will form minimum boiling azeotrope.
  • D
    These will not form ideal solution.
✓

Answer

  1. These will form minimum boiling azeotrope.
  2. These will not form ideal solution.

Explanation:

In a mixture of benzene and toluene intermolecular forces between benzene and toluene molecules would be nearly of the same strength as those of two benzene molecules and two toluene molecules separately. The solution will, therefore, form an ideal solution & obey Raoult’s law. So, the option (iii) & (iv) is not true.

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 "M.C.Q [1M]" from Solutions→Solutions — all question types→Chemistry STD 12 Science question papers→Bihar Board STD 12 Science question papers→Bihar Board question paper generator→

Similar questions

Which of the following complex ion shows optical isomers?
→
Alkyl fluorides are synthesised by heating an alkyl chloride/bromide in presence of ____________ or ____________.
→
In hcp unit cell, number of atoms is
→
The osmotic pressure of the fluid present in blood cells is equal to which of the following?
→
Reaction of ethyl chloride with sodium leads to (in the presence of dry ether):
→
On reduction secondary amine is give by :
→
Example of coenzyme is:
→
Among ethanol, dimethyl ether, methanol and propanal, the isomers are:
→
Which of the following species do not exist?
→
Which of the following reactions belong to electrophilic aromatic substitution?
→