MCQ
$\,$

  • B

  • C

  • D

Answer

Correct option: A.

a

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

Similar questions

Which of the following reaction is expected never to be spontaneous
The set of quantum numbers $n = 3,\,l = 0,\,m = 0,\,s = - 1/2$ belongs to the element
What is the final temperature of $0.10\,mole$ monoatomic ideal gas that performs $75\,cal$ of work adiabatically if the initial temperature is $227\,^oC$ ?....$K$ (use $R = 2\,cal/K-mol$ ) 
Which of the following is a Lewis base
A $5.25\%$ solution of a substance is isotonic with a $1.5\%$ solution of urea (molar mass $= 60\, g\, mol^{-1}$) in the same solvent. If the densities of both the solutions are assumed to be equal to $1.0\,g\, cm^{-3},$ molar mass of the substance will be .............. $\mathrm{g\,mol}^{-1}$
Among the following species, the least angle around the central atom is in
Which of the following compounds is chiral?
The trivalent ion having largest size in following is
$2 mol$ of $Hg ( g )$ is combusted in a fixed volume bomb calorimeter with excess of $O _2$ at $298 K$ and $1 atm$ into $HgO ( s$ ). During the reaction, temperature increases from $298.0 K$ to $312.8 K$. If heat capacity of the bomb calorimeter and enthalpy of formation of $Hg ( g )$ are $20.00 kJ K ^{-1}$ and $61.32 kJ mol ^{-1}$ at $298 K$, respectively, the calculated standard molar enthalpy of formation of $HgO ( s )$ at $298 K ^{\text {is }} XkJ mol ^{-1}$. The value of $| X |$ is. . . . .[Given : Gas constant $R =8.3 J K ^{-1} mol ^{-1}$ ]
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.