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STD 11 - 8.3. Organic chemistry purification and characterization — NEET STD 11 Science — Question

Gujarat BoardEnglish MediumSTD 11 ScienceNEETSTD 11 - 8.3. Organic chemistry purification and characterization4 Marks
MCQ
$'A'$  is

$\mathop {Salt\,\,'A'}\limits_{(Colourless)} \,\,\xrightarrow{{Cu}}$  Blue solution

$\mathop {Salt\,\,'A'}\limits_{(Colourless)} \,\,\xrightarrow[{(aq)}]{{HCl}}$ White ppt

$\mathop {Salt\,\,'A'}\limits_{(Colourless)} \,\,\xrightarrow[{{H_2}S{O_4}}]{{Conc.}}$ Brown fumes

  • A
    $Cu(NO_3)_2$
  • B
    $KNO_3$
  • C
    $Pb(NO_3)_2$
  • ✓

    $AgNO_3$

✓

Answer

Correct option: D.

$AgNO_3$

d
$A{g^ + }NO_3^ - \,\xrightarrow{{Cu}}Ag\, + \,C{u^{ + 2}}$  (Blue)

$A{g^ + }NO_3^ - \,\xrightarrow{{HCl}}Ag\,Cl\, \downarrow $  (White)

$A{g^ + }NO_3^ - \,\xrightarrow[{{H_2}S{O_4}}]{{Conc.}}N{O_2}\, \uparrow $ (Brown)

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