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NTA Abhyas 2020
Exam
NTA Abhyas
Year
2020
Subject
Chemistry
Chapter
s Block Elements

NTA Abhyas 2020 · Chemistry · s Block Elements

NaN O _ 3 Δ → A _ gas + B A + HCl CuC l _ 2 → C _ gas + H _ 2 O...

NaNO3→ΔAgas+BNaN{O}_{3}\overset{\Delta}{→}\mathop{A}_{gas} + B

A + HCl\overset{CuC{l}_{2}}{→}\mathop{C}_{gas} + {H}_{2}O<br/><br/>ColourofC<br /> <br /> Colour of \text{C} and A\text{A} are respectively.

Options

  1. AColourless, reddish brown
  2. BGreenish yellow, Colourless
  3. CYellow, reddish brown
  4. DColourless, Greenish yellow

Correct answer

B. Greenish yellow, Colourless

Step-by-step solution

NaNO3→ΔNaNO2+O2colorlessNaN{O}_{3}\overset{\Delta}{→}NaN{O}_{2} + \mathop{{O}_{2}}_{colorless}

O2+HCl→CuCl2Cl2greenisyellow+H2O{O}_{2} + HCl\overset{CuC{l}_{2}}{→}\mathop{C{l}_{2}}_{greenisyellow} + \mathop{{H}_{2}O}_{}
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