MCQ
Possible number of orientations of a subshell is
- A$l$
- B$n$
- ✓$2l + 1$
- D$n^2$
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

(Enthalpy of neutralisation $=57 \;kJ \;mol ^{-1}$ and Specific heat of water $=4.2\; JK ^{-1} g ^{-1}$ ) (Neglect heat capacity of flask)