MCQ
Methanides are
- A$Mg_2\,C_3,Be_2\,C, Al_4\,C_3$ and $CaC_2$
- B$Mg_2\,C_3, Be_2\,C$ and $Al_4\,C_3$
- C$Be_2\,C, Al_4\,C_3$ and $CaC_2$
- ✓$Be_2\,C$ and $Al_4\,C_3$
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$[Figure]$ $\xrightarrow[{CHC{l_3}}]{{\mathop {\left( {Pyridinium\,chlorochromate} \right)}\limits^{PCC} }}$
$A\xrightarrow{{{\text{Reduction}}}}B\xrightarrow{{HN{O_2}}}{C_2}{H_5}OH$
$(i)$ Increase in concentration of reactant increases the rate of a zero order reaction
$(ii)$ Rate constant $k$ is equal to $'A'$ if $E_a = 0$
$(iii)$ Rate constant $k$ is equal to $'A'$ if $E_a = \infty$
$(iv)$ $log_e k$ vs $T$ is a straight line
$(v)$ $log_ek$ vs $1/T$ is straight line
Correct statement are