MCQ
Which one of the following does not exist?
  • A
    XeOf$_4$
  • NFe$_2$
  • C
    XeF$_2$
  • D
    XeF$_6$

Answer

Correct option: B.
NFe$_2$
(B) NeF$_2$

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

During dehydration of alcohols to alkenes by heating with conc$. \mathrm{H}_2 \mathrm{SO}_4$, the initiation step is:
Solubility of alcohols in water is $.......$ to that of hydrocarbons of comparable molecular masses.
The molar conductivities at infinite dilution of barium chloride, sulphuric arid and hydrochloric acid are $280,860$ and $426 \,Scm ^{2}$ $mol ^{-1}$ respectively. The molar conductivity at infinite dilution of barium sulphate is $...... \,S cm ^{2} mol ^{-1}($ Round off to the Nearest Integer).
Acid catalyzed hydration of alkenes except ethene leads to the formation of
The process by which smaller molecules combine to give a molecule with a higher molecular weight is known as:
Which of the following is not chelating agent?
Benzene and toluene form nearly ideal solutions. At $20\,^o C, $ the vapour pressure of benzene is $75\,torr$ and that of toluene is $22\,torr$. The parial vapour pressure of benzene at $20\,^o C$  for a solution containing $78\, g $ of benzene and $46\,g$  of toluene in torr is
The difference in the number of unpaired electrons of a metal ion in its high-spin and low-spin octahedral complexes is two. The metal ion is
The pressure that a single component in a gaseous mixture would exert if it existed alone in the same volume as the mixture and at the same temperature as the mixture is referred to as.
During Kinetic study of reaction $2 A+B \rightarrow C+D$, the following results were obtained :

  $A[M]$ $B[M]$

initial rate of

formation of $D$

$i$ $0.1$ $0.1$ $6.0 \times 10^{-3}$
$ii$ $0.3$ $0.2$ $7.2 \times 10^{-2}$
$ii$ $0.3$ $0.4$ $2.88 \times 10^{-1}$
$iv$ $0.4$ $0.1$ $2.40 \times 10^{-2}$

Based on above data, overall order of the reaction is $\qquad$