MCQ
Given the best condition for this transformation:
- ACH3OH, H+ (cat.), heat
- BH2O, H+ (cat.), heat
- CMg, ether, CH3OH
- DSOCl2, CH3OH
Explanation:
Aldehydes when reacted with alcohols in acidic medium, hemiacetals and acetals are formed. This process is reversible in acidic medium.
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$Ag$ , $Ni$ , $Cr$
${\left( {C{H_3}} \right)_2}CHN = NCH{\left( {C{H_3}} \right)_2}\left( g \right)\xrightarrow[{{{\text{N}}_2}{\text{(g) + }}{{\text{C}}_6}{{\text{H}}_{14}}{\text{(g)}}}]{{250 - 290{}\,^oC}}$
It is found to be a first order reaction. If initial pressure is $P_o$ and pressure of the mixture at time $t$ is $(P_t)$ then rate constant $K$ would be
$C{H_3}C{H_2}C{H_2}CH = PP{h_3} + 2 - $ Butanone