NEET AIPMT SOLVED PAPER SCREENING 2009

  • question_answer
    Consider the following reaction, \[\underset{\begin{smallmatrix}  \text{ }\!\!|\!\!\text{ } \\  \text{CHO} \end{smallmatrix}}{\mathop{\text{CHO}}}\,\] \[1.5\times {{10}^{-s}}\] the product Z, is

    A) \[4.5\times {{10}^{-10}},\]          

    B)        \[C{{N}^{-}}+C{{H}_{3}}COOH\]

    C) \[HCN+C{{H}_{3}}CO{{O}^{-}}\]

    D) \[3.0\times {{10}^{5}}\]

    Correct Answer: D

    Solution :

    Key Idea (i) \[e=\frac{-d\phi }{dt}=\frac{-BdA}{dt}=-B\frac{d(\pi {{r}^{2}})}{dt}\]is a halogenating agent, ie, converts ?OH group into ?Br. (ii) Ale. KOH is a dehydrohalogenating agent. (iii)\[=-B\pi 2r\frac{dr}{dt}\] and \[e=-0.04\times \pi \times 2\times 2\times {{10}^{-2}}\times 2\times {{10}^{-3}}\]converts an olefin into alcohol. \[=3.2\pi \mu V\]\[=[{{M}^{0}}{{L}^{1}}{{T}^{-1}}]\]\[=[{{M}^{0}}{{L}^{1}}{{T}^{-2}}]\]


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