Identify product ' $X$ ' obtained in the following reaction.
$$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{Br}+\mathrm{CH}_3 \mathrm{COOAg} \xrightarrow{\Delta} \mathrm{X}+\mathrm{AgBr} $$
$\mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOCH}_3$
$\mathrm{CH}_3 \mathrm{COOCH}_2 \mathrm{CH}_3$
$\mathrm{CH}_3 \mathrm{COOCH}_3$
$ \mathrm{CH}_3 \mathrm{CH}_2 \mathrm{COOCH}_2 \mathrm{CH}_3$
Identify the element so that the last electron enters in ( $n-2$ )f sub shell.
Au
Hg
W
No
Identify the monomers used to prepare polycarbonate.
Butadiene and acrylonitrile
Urea and formaldehyde
Bisphenol and phosgene
Vinyl chloride and ethylene glycol
Find the rate of disappearance of $B$ for the reaction $2 \mathrm{~A}+\mathrm{B} \longrightarrow 2 \mathrm{C}+\mathrm{D}$, from following.
half the rate as A disappears.
same rate as A disappears
twice the rate of A disappears
twice the rate of C is formed
MHT CET (Biology) Papers
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