MCQ
Number of nodal centres for $2s$ orbital
- ✓$1$
- B$0$
- C$4$
- D$3$
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$(I)$ Low enthalpy of dissociation of $F-F$ bond
$(II)$ High hydration enthalpy of $F^-$
$(III)$ Low atomisation enthalpy of $F_2$
which is correct statement
$(A)$ $CO _2, C _2 H _4, NO$ and $HCl$
$(B)$ $NO _2, O _3, HCl$ and $H _2 SO _4$
$(C)$ $BCl _3, NO , NO _2$ and $H _2 SO _4$
$(D)$ $CO _2, BCl _3, O _3$ and $C _2 H _4$