MCQ
Ionization enthalpy of an atom is equal to
- ✓Electron gain enthalpy of the cation
- BElectronegativity of the ion
- CIonization enthalpy of the cation
- DNone of these
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$n$ $l$ $m$ $s$
$(A)$ $0.01 \,M\, HCl$
$(B)$ $0.01 \,M \,NaOH$
$(C)$ $0.01 \,M \,CH _{3} COONa$
$(D)$ $0.01 \,M \,NaCl$

Statement $I$ : Nickel is being used as the catalyst for producing syn gas and edible fats.
Statement $II$ : Silicon forms both electron rich and electron deficient hydrides.
In the light of the above statements, choose the most appropriate answer from the options given below: