MCQ
When chloroform is exposed to air and sunlight, it gives
  • A
    Carbon tetrachloride
  • Carbonyl chloride
  • C
    Mustard gas
  • D
    Lewsite

Answer

Correct option: B.
Carbonyl chloride
b
(b)$CHC{l_3} + \frac{1}{2}{O_2}\xrightarrow{{{\text{Sunlight}}}}\mathop {COC{l_2}}\limits_{{\text{Phosgene or carbonyl chloride}}}  + \;\;\;\;HCl$

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When $400\, \mathrm{~mL}$ of $0.2\, \mathrm{M} \,\mathrm{H}_{2} \mathrm{SO}_{4}$ solution is mixed with $600\, \mathrm{~mL}$ of $0.1\, \mathrm{M} \,\mathrm{NaOH}$ solution, the increase in temperature of the final solution is $....\,\times 10^{-2} \,\mathrm{~K}$. (Round off to the Nearest Integer).

$\left[\right.$ Use $: \mathrm{H}^{+}(\mathrm{aq})+\mathrm{OH}^{-}(\mathrm{aq}) \rightarrow \mathrm{H}_{2} \mathrm{O}: \Delta_{\mathrm{\gamma}} \mathrm{H}=-57.1\, \mathrm{k} \mathrm{J} \,\mathrm{mol}^{-1}$

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density of $\mathrm{H}_{2} \mathrm{O}=1.0\, \mathrm{~g} \mathrm{~cm}^{-3}$

Assume no change in volume of solution on mixing.]

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