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Chemistry · PYQ NEET UG 2018
English\( \mathrm{CaH}_{2}, \mathrm{BeH}_{2}, \mathrm{BaH}_{2} \) में आयनिक लक्षण का सही क्रम है
सही उत्तर · विकल्प 1
\( \mathrm{BeH}_{2}<\mathrm{CaH}_{2}<\mathrm{BaH}_{2} \)
व्याख्या
As we move down the group, electronegativity of alkaline earth metals decreases, leading to an increase in ionic character of hydrides. Thus \( \mathrm{BeH}_{2}<\mathrm{CaH}_{2}<\mathrm{BaH}_{2} \).
