MCQ
Which of the following molecule is theoritically not possible
- ✓$O{F_4}$
- B$O{F_2}$
- C$S{F_4}$
- D${O_2}{F_2}$
So, $OF _4$ is not a possible molecule.
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$\left[\Lambda_{\mathrm{m}}=\right.$ molar conductivity
$\Lambda_{\mathrm{m}}^{\circ}=$ limiting molar conductivity
$\mathrm{c}=$ molar concentration
$\mathrm{K}_{\mathrm{a}}=$ dissociation constant of $\mathrm{HX}$ ]
$(A)$ Line emission spectra are used to study the electronic structure
$(B)$ The emission spectra of atoms in the gas phase show a continuous spread of wavelength from red to violet
$(C)$ An absorption spectrum is like the photographic negative of an emission spectrum
$(D)$ The element helium was discovered in the sun by spectroscopic method