Download App

8.1. Aldehydes and ketones — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistry8.1. Aldehydes and ketones1 Mark
MCQ
Maximum hydration takes place of
  • ✓
    $\begin{matrix}
       O  \\
       ||  \\
       C{{F}_{3}}\,C\,C{{F}_{3}}  \\
    \end{matrix}$
  • B
    $\begin{matrix}
       O  \\
       ||  \\
       C{{H}_{3}}\,C\,C{{H}_{3}}  \\
    \end{matrix}$
  • C
    $\begin{matrix}
       \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O  \\
       \,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||  \\
       C{{H}_{3}}\,CH-C\,C{{H}_{3}}  \\
       |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
       Cl\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
    \end{matrix}$
  • D
    $\begin{matrix}
       O  \\
       ||  \\
       {{C}_{6}}{{H}_{5}}\,C\,{{C}_{6}}{{H}_{5}}  \\
    \end{matrix}$
✓

Answer

Correct option: A.
$\begin{matrix}
   O  \\
   ||  \\
   C{{F}_{3}}\,C\,C{{F}_{3}}  \\
\end{matrix}$
a
$(a)$ Strong $-I$ group show more hydrate formation

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from 8.1. Aldehydes and ketones→8.1. Aldehydes and ketones — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

$C_6H_{13}Br + OH^- \to C_6H_{13}OH + Br^-$ is an example of
→
Which of the following transition metal is used as a catalyst
→
Among the following compounds, which will react with acetone to give a product containing $ > C = N - $
→
Polysaccharides have .............. linkage ?
→
In which of the following order the given complex ions are arranged correctly with respect to their decreasing spin only magnetic moment?

$(i)$ $\left[ FeF _{6}\right]^{3-}$

$(ii)$ $\left[ Co \left( NH _{3}\right)_{6}\right]^{3+}$

$(iii)$ $\left[ NiCl _{4}\right]^{2-}$

$(iv)$ $\left[ Cu \left( NH _{3}\right)_{4}\right]^{2+}$

→
Which alloy contains $Cu, Sn$  and  $Zn$
→
Point out the wrong statement :For a first order reaction
→
$\begin{matrix}
   \begin{matrix}
   C{{H}_{2}}OOCR'  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}\,\,\,  \\
   CHOOCR\,\,\,\,\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{2}}OOCR'''  \\
\end{matrix}$  $\underset{\text{Hydrolysis}}{\mathop{\xrightarrow{\text{Enzyme}}}}$ $\begin{matrix}
   \begin{matrix}
   C{{H}_{2}}OH  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
\end{matrix}  \\
   CHOH\,\,\,  \\
   |\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,  \\
   C{{H}_{2}}OH  \\
\end{matrix}$  $+\begin{matrix}
   \begin{matrix}
   R'COOH  \\
   +  \\
\end{matrix}  \\
   R''COOH  \\
   +  \\
   R'''COOH  \\
\end{matrix}$

The enzyme used in the above reaction is

→
In osmosis
→
In calcium fluoride, having the fluorite structure, the coordination numbers for calcium ion (Ca2+) and fluoride ion (F−) are:
→