Chemistry
Completed the table:
| Name of process | Inputs | Equation | Output |
|---|---|---|---|
| Ammonia + air | Nitric acid |
Nitric Acid
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Answer
Complete table is as follows:
| Name of process | Inputs | Equation | Output |
|---|---|---|---|
| Ostwald's process | Ammonia + air | 3 + 5\text{O}2 \xrightarrow[700-800 \degree\text{C}]{\text{Pt}} 4\text{NO} + 6\text{H}_2\text{O} + 21.5 \text{K cals} | |
| -16.7 32-27.7 63.7-33 95 0 1.3-.2 2.7-.5 4-.3 1.3-.5 2.3-.5 3 0 7.3 6.7 11 20 | |||
| 11 8 0 13.2-.8 15.5-2.5 2.3-1.7 4.2-5.5 5.5-11.5 2-13.3 5.7-27 11-41 14.7-44.7 | |||
| 39-84.5 73-119.5s73.7-60.2 119-75.5c6-2 9-5.7 9-11s-3-9-9-11c-45.3-15.3-85 | |||
| -40.5-119-75.5s-58.3-74.8-73-119.5c-4.7-14-8.3-27.3-11-40-1.3-6.7-3.2-10.8-5.5 | |||
| -12.5-2.3-1.7-7.5-2.5-15.5-2.5-14 0-21 3.7-21 11 0 2 2 10.3 6 25 20.7 83.3 67 | |||
| 151.7 139 205zm0 0v40h399900v-40z"/>700−800°C4NO+6H2O+21.5K cals | Nitric acid |
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Related Questions
Identify the acid
(i) Which is used for the preparation of non-volatile acid.
(ii) The acid which is prepared by catalytic oxidation of ammonia.
From the following list of substances, choose one substance in each case which matches the description given below:
Ammonium nitrate, calcium hydrogen carbonate, copper carbonate, lead nitrate, potassium nitrate, sodium carbonate, sodium hydrogen carbonate, zinc carbonate.
(a) A substance which gives off only oxygen when heated.
(b) A substance which on heating decomposes into dinitrogen oxide (nitrous oxide) and steam.
(c) A substance which gives off oxygen and nitrogen dioxide when heated.
(d) A substance which on heating leaves yellow residue.
Explain why
(a) Only all-glass apparatus should be used for the preparation of nitric acid by heating concentrated sulphuric acid and potassium nitrate.
(b) Nitric acid is kept in a reagent bottle for a long time.
(c) Iron is rendered passive with fuming HNO3. Give reason.
(d) Dil. HNO3 is generally considered a typical acid but not so in it's reaction with metals.
(e) When it is left standing in a glass bottle, concentrated nitric acid appears yellow.
A dilute acid B does not normally give hydrogen when reacted with metals but does give a gas when reacts with copper. Identify B. Write equation with copper.