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    2.

    The starting material for the preparation of CH3I{\rm{C}}{{\rm{H}}_3}{\rm{I}} in one step reaction is:

    A

    CH3OH{\rm{C}}{{\rm{H}}_3}{\rm{OH}}

    B

    C2H5OH{{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}}

    C

    CH3CHO{\rm{C}}{{\rm{H}}_3}{\rm{CHO}}

    D

    CH3COCH3{\rm{C}}{{\rm{H}}_3}{\rm{COC}}{{\rm{H}}_3}

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    4.

    Product formed when HCHO is heated with KOHโ€…โ€Š(aq){\rm{KOH\;}}\left( {aq} \right):

    A

    CH4{\rm{C}}{{\rm{H}}_4}

    B

    CH3CHO{\rm{C}}{{\rm{H}}_3}{\rm{CHO}}

    C

    CH3OH{\rm{C}}{{\rm{H}}_3}{\rm{OH}}

    D

    C2H2{{\rm{C}}_2}{{\rm{H}}_2}

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    5.

    The correct order of solubility of {1^ \circ },{\rm{ }}2{\;^ \circ } and 3{\;^ \circ } alcohol in water is:

    A

    3โˆ˜>2โˆ˜>1โˆ˜{3^ \circ } > {2^ \circ } > {1^ \circ }

    B

    1โˆ˜>2โˆ˜>3โˆ˜{1^ \circ } > {2^ \circ } > {3^ \circ }

    C

    3โˆ˜>1โˆ˜>2โˆ˜{3^ \circ } > {1^ \circ } > {2^ \circ }

    D

    None of these

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    10.

    When C2H5OH{{\rm{C}}_2}{{\rm{H}}_5}{\rm{OH}} is mixed with ammonia and passed over heated alumina, the compound formed is:

    A

    C2H5NH2{{\rm{C}}_2}{{\rm{H}}_5}{\rm{N}}{{\rm{H}}_2}

    B

    C2H4{{\rm{C}}_2}{{\rm{H}}_4}

    C

    C2H5OC2H5{{\rm{C}}_2}{{\rm{H}}_5}{\rm{O}}{{\rm{C}}_2}{{\rm{H}}_5}

    D

    CH3OCH3{\rm{C}}{{\rm{H}}_3}{\rm{OC}}{{\rm{H}}_3}

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