MCQ
From the following which group of elements easily forms cation
- A$F,\,\,Cl,\,\,Br$
- ✓$Li,\,\,Na,\,\,K$
- C$O,\,\,S,\,\,Se$
- D$N,\,\,P,\,\,As$
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$CH \equiv CH\xrightarrow[{(excess)}]{{NaN{H_2}/liq.N{H_3}}}A\xrightarrow{{2C{H_3} - I}}B\xrightarrow[{quinolene}]{{{H_2}/Pd - BaS{O_4}}}C$
$C\xrightarrow[{quinolene}]{{{H_2}/Pd - BaS{O_4}}}\xrightarrow[{liq.\,N{H_3}}]{{NaN{H_2}}}D$
(Use molar mass of aluminium as $27.0 g mol ^{-1}, R =0.082 atm L mol { }^{-1} K ^{-1}$ )
$\mathrm{PbCl}_{2(\mathrm{s})} \rightleftharpoons \mathrm{Pb}_{(\mathrm{ag})}^{2+}+2 \mathrm{Cl}_{(\mathrm{aq})}^{-}$
Which of the following choices is correct for a mixture of $300\; \mathrm{mL}\;\; 0.134 \;\mathrm{M} \;\mathrm{Pb}\left(\mathrm{NO}_{3}\right)_{2}$ and $100\; \mathrm{mL}\;\; 0.4\; \mathrm{M}\; \mathrm{NaCl} ?$
$2N{O_2}(g) \rightleftharpoons {N_2}{O_4}(g)$ at $300\ K$
The value of $Kp$ is $2\ atm^{-1}$ . The total pressure at equilibrium is $10\ atm$ . If volume of container become two times of its original volume, what will be its equilibrium pressure at $300\ K$ ......$atm$