MCQ
Bakelite is formed by:
- APolymerization of phenol and formaldehyde.
- BPolymerization of alcohol and acetaldehyde.
- ✓Condensation of phenol and formaldehyde.
- DCondensation of phenol and acetaldehyde.
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$\ln k=33.24-\frac{2.0 \times 10^{4} \,K }{ T }$
The Activation energy for the reaction is given by $...\,k\,\,J mol ^{-1}$. (In Nearest integer)
(Given: $R =8.3\, J\, K ^{-1} \,mol ^{-1}$ )
$2PhCHO \xrightarrow{{:\mathop O\limits^ \ominus H}}PhC{H_2}OH + PhC\mathop {O_2^ \ominus }\limits^{.\,\,.\,\,} $
the slowest step is :