MCQ
.
  • A

  • B


  • D

Answer

Correct option: C.

c

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In the above chemical reaction sequence “A’’ and “B” respectively are :
Number of products
Which equilibrium is not rapid at room temperature ?
Which of the following has been arranged in order of increasing oxidation number of nitrogen ?
The correct order of the spin-only magnetic moments of the following complexes is

$(I)$ $\left[\mathrm{Cr}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right] \mathrm{Br}_{2}$

$(II)$ $ \mathrm{Na}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{6}\right]$

$(III)$ $\mathrm{Na}_{3}\left[\mathrm{Fe}\left(\mathrm{C}_{2} \mathrm{O}_{4}\right)_{3}\right]\left(\Delta_{0}>\mathrm{P}\right)$

$(IV)$ $\left(\mathrm{Et}_{4} \mathrm{N}\right)_{2}\left[\mathrm{CoCl}_{4}\right]$

Which of the following compound give diastereomers when treated with $Br_2$ in  $CCl_4$ ?
The product formed in the first step of the reaction of $\begin{array}{*{20}{c}} {Br\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3} - C{H_2} - CH - C{H_2} - CH - C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,Br} \end{array}$ with excess $Mg / Et _{2} O \left( Et = C _{2} H _{5}\right)$ is
The hydrolysis reaction that takes place at the slowest rate, among the following is
Given below are two statements :

Statement I : $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ is a homoleptic complex whereas $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$is a heteroleptic complex.

Statement II : Complex $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}$ has only one kind of ligands but $\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_4 \mathrm{Cl}_2\right]^{+}$has more than one kind of ligands.

In the light of the above statements, choose the correct answer from the options given below.

At a given temperature, the vapour pressure of a solution of two volatile liquids $A$ and $B$ is given by the equation $P_S = 120 -80\,\,X_B (X_B =$ mole fraction of $B)$ Vapour  pressure of pure $A$ and $B$ at the same temperature are respectively :-