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NEET Sample Paper NEET Sample Test Paper-74

  • question_answer
    Borax, disodium tetra borate is an important boron compound, a mineral, and a salt of boric acid. The number of terminal \[B\text{ }OH\] present in borax is

    A)  3                                

    B)  4                            

    C)  5                                

    D)  6

    Correct Answer: B

    Solution :

    Molecular formula of borax is \[N{{a}_{2}}{{B}_{4}}{{O}_{7}}\cdot 10\,{{H}_{2}}O\]


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