Which of the following reactions involves the formation of a carbene intermediate?

  • A
    Reimer-Tiemann reaction
  • B
    Carbylamine reaction
  • C
    Hoffmann bromamide reaction
  • D
    Both $A$ and $B$

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Which of the following substances releases hydrogen gas upon reacting with $Na$ metal?

What is the product of the reaction shown below?

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What will be obtained by the hydrolysis of the following compound in aqueous acetone?

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$A$ $\xleftarrow{CH_3OH, CH_3O^{-}}$ ($1$-methyl$-6-$oxabicyclo[$3.1$.$0$]hexane) $\xrightarrow{CH_3OH, H_2SO_4}$ $B$
$A$ $\&$ $B$ are :

Match the structures in Column-$I$ with their common names in Column-$II$ and $\text{IUPAC}$ names in Column-$III$.
Column-$I$Column-$II$ (Common Name)Column-$III$ ($\text{IUPAC}$ Name)
$(A)$ Phenol$(1)$ Resorcinol$(i)$ Benzene$-1,2-$diol
$(B)$ Benzene$-1,3-$diol$(2)$ Catechol(ii) Phenol
$(C)$ Benzene$-1,2-$diol$(3)$ Phenol(iii) Benzene$-1,4-$diol
$(D)$ Benzene$-1,4-$diol$(4)$ Hydroquinone(iv) Benzene$-1,3-$diol

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