Residue (A) +HCl (dil) $\rightarrow$ Compound (B)
Structure of residue (A) and compound (B) formed respectively is :
Given below are two statements :
Statement (I) : An element in the extreme left of the periodic table forms acidic oxides.
Statement (II) : Acid is formed during the reaction between water and oxide of a reactive element present in the extreme right of the periodic table.
In the light of the above statements, choose the correct answer from the options given below :
The species which does not undergo disproportionation reaction is :
Given below are two statements :
Statement (I): A spectral line will be observed for a $2 p_x \rightarrow 2 p_y$ transition.
Statement (II) : $2 \mathrm{p}_x$ and $2 \mathrm{p}_y$ are degenerate orbitals.
In the light of the above statements, choose the correct answer from the options given below :