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Wednesday 22 February 2017

OBSERVATIONS - NITRIC ACID

NITRIC ACID

State your observations

1. Conc. Nitric acid is added to Copper turnings. Ans: Reddish brown gas and a blue filtrate.

2. Dil. Nitric acid is added to Copper turnings. Ans: A blue filtrate is formed.

3. Nitric oxide is passed into gas jar containing Oxygen gas. Ans: Reddish brown fumes.

4. A salt containing nitrate ion is heated with conc. Sulphuric acid and Copper. Ans: Reddish brown fumes

5. Lead nitrate crystals are heated in a hard glass test tube. Ans: a buff residue fuses with the test tube and reddish brown fumes evolved.

Metallurgy Test

Electrolysis Test

Anonymous said...: 1)&3)A reddish brown gas is liberated.; 26 February 2017 at 20:40
syed yasen ali said...: Thats correct; 26 February 2017 at 20:52
alfachemistry said...: Products listed on our website are either in stock or can be resynthesized within a reasonable time frame. CI 11875; 17 August 2018 at 19:16
Anonymous said...: Where can u get the solutions for these questions??? i cant wait till the next board exam for ur reply....pls reply fast and do whatever you want..plsss this is my humble request...; 4 December 2018 at 10:40
Unknown said...: No; 3 October 2019 at 19:13