Which one of the following is not ionic hydride:
Correct answer: C. HCl
- A. CsH
- B. LiH
- C. HCl
- D. NaH
Explanation
The binary compounds of hydrogen with other elements are called hydrides. According to the nature of bonding, hydrides may be broadly classified into three classes: ionic, covalent and intermediate. The elements of group IA and the heavier members of group IIA form ionic hydrides, which contain H- (Hydride) ion.These hydrides are crystalline solid compounds, with high melting and boiling points and which conduct electricity in molten state.
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About Periodic Properties and Trends
Periodic properties arise from electron configuration and effective nuclear charge, producing trends in atomic and ionic radius, ionization energy, electron affinity, electronegativity, metallic character and reactivity. Comparisons run across periods and down groups, with attention to common exceptions. The topic also relates these trends to the behavior of s-block and p-block elements.
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