MCQ
Oxygen in absorbed by molten $Ag$, which is evolved on cooling and the silver particles are scattered, this phenomenon is known as
- Asilvering of mirror
- ✓spitting of silver
- Cfrosting of silver
- Dhairing of silver
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Assertion $(A)$: Cis form of alkene is found to be more polar than the trans form
Reason $(R)$: Dipole moment of trans isomer of $2$-butene is zero.
In the light of the above statements, choose the correct answer from the options given below :

$P = [Ne]\, 3s^23p^3$
$Q = [Ar]\,3d^{10}4s^24p^3$
$R = [He]\,2s^22p^5$
$S = [Ne]\,3s^1$
Incorrect statements is

