MCQ

identify the structure of the alkene:
- A

- B

- ✓

- D







,
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Reason: The electrical conductivity of metals is due to motion of electrons.
then $X$ is
$(i) $ in filling a group of orbitals of equal energy, it is energetically preferable to assign electrons to empty orbitals rather than pair them into a particular orbital.
$(ii)$ When two electrons are placed in two different orbitals, energy is lower if the spins are parallel.are valid for
$MnO_4^ - $ ${C_2}O_4^{2 - }$ ${H^ + }$
$4H_{(g)} \rightarrow 2H_{2(g)}$ is $-869.6\ kJ$
The dissociation energy of $H - H$ bond is ............ $\mathrm{kJ}$