JEE Main & Advanced Sample Paper JEE Main Sample Paper-5

  • question_answer
    A metal M readily forms water soluble sulphates and water soluble hydroxide M(OH)a. Its oxide MO is amphoteric, hard and possesses high melting point. The hydroxide is also amphoteric in nature. The alkaline earth's metal M will be

    A)  Ba                                         

    B)  Mg                 

    C)  Be                                         

    D)  Ca

    Correct Answer: C

    Solution :

     Be forms soluble \[BeS{{O}_{4}}\] and soluble Be \[{{(OH)}_{2}}\]. Both BeO and Be\[{{(OH)}_{2}}\] are amphoteric in nature.

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