Question:medium
Which of the following statements is not correct?
Which of the following statements is not correct?
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Remember the unique nature of the first element in each group (e.g., Beryllium's high polarizing power leading to covalent compounds). For colored compounds, look for transition metal ions, complex ions, or species with unpaired electrons or delocalized $\pi$ systems. The superoxide ion ($\text{O}_2^-$) has an unpaired electron, making alkali metal superoxides colored and paramagnetic.
Updated On: Mar 30, 2026
- Carbonates of alkaline earth metals are insoluble in water
- Beryllium halides are covalent in nature
- The super oxides of alkali metals are colourless
- Alkali metal halides have high negative enthalpies of formation
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The Correct Option is C
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