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Aniruddh Bhai Majumdar
Asked: 2022-11-06T03:43:23+05:30 In:

Which of the following is incorrect for both Be and Al?
A. Carbides of both the metals react with water liberating `C_(2)H_(2)` gas.
B. Oxides and hydroxides of both Be and Ajl are amphoteric and dissolve in NaOH solution as well as ydrochloric acid solution.
C. Oxides of both the metals are hard, high-melting insoluble solids.
D. Salts of both the metals form hydrated ions in aqueous solution.

Which of the following is incorrect for both Be and Al?
A. Carbides of both the metals react with water liberating `C_(2)H_(2)` gas.
B. Oxides and hydroxides of both Be and Ajl are amphoteric and dissolve in NaOH solution as well as ydrochloric acid solution.
C. Oxides of both the metals are hard, high-melting insoluble solids.
D. Salts of both the metals form hydrated ions in aqueous solution.
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1 Answer

  1. Correct Answer – A
    Carbides of both the metsls react with water liberating `CH_(4)` gas
    `Be_(2)C+4H_(2)Orarr2Be(OH)_(2)+CH_(4)`
    `Al_(4)C_(3)+12H_(2)Orarr4Al(OH)_(3)+3CH_(4)`

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