Match List - I with List - II
List - I (Separation of) |
List - II (Separation Technique) |
||
---|---|---|---|
(A) | Aniline from aniline-water mixture | (I) | Simple distillation |
(B) | Glycerol from spent-lye in soap industry | (II) | Fractional distillation |
(C) | Different fractions of crude oil in petroleum industry | (III) | Distillation at reduced pressure |
(D) | Chloroform-Aniline mixture | (IV) | Steam distillation |
Choose the correct answer from the options given below :
Given below are two statements :
Statement (I) : The first ionisation enthalpy of group 14 elements is higher than the corresponding elements of group 13.
Statement (II) : Melting points and boiling points of group 13 elements are in general much higher than those of corresponding elements of group 14.
In the light of the above statements, choose the most appropriate answer from the options given below :
Which among the following compounds give yellow solid when reacted with $\mathrm{NaOI} / \mathrm{NaOH}$ ?
Choose the correct answer from the options given below :
Consider the ground state of chromium atom $(Z=24)$. How many electrons are with Azimuthal quantum number $l=1$ and $l=2$ respectively ?