Table of Contents
- 1 What happens when chloroform reacts with AgNO3?
- 2 Which will not give white precipitate with AgNO3 solution?
- 3 Which describe the formation of a precipitate?
- 4 What forms pink precipitate?
- 5 What happens when chloroform?
- 6 What happens when aqueous AgNO3 is added to chloroform?
- 7 What is the reaction between chloroform and nitric acid?
What happens when chloroform reacts with AgNO3?
When chloroform reacts with AgNO3 it form AgCl. AgCl is a very soluble ppt in acq. AgI is less soluble in solution on heating as its solubility product is low.
Which will not give white precipitate with AgNO3 solution?
[Co(NH3)3Cl3] does not give a precipitate with AgNO3 solution because in it all the chlorine atoms are attached by secondary valencies.
What happens when chloroform reacts with water?
Chloroform can move very easily from water into the air. Chloroform stays in air for a long time. It also dissolves easily in water, which means it can easily move into groundwater. Once chloroform is in groundwater, it is expected the chemical will be in the groundwater for a long time.
Why does chloroform not give white precipitate with AgNO3?
Hint: Chlorine is covalently bonded to the central atom carbon in trichloromethane (chloroform). Chloroform does not give white precipitate with silver nitrate solution despite the presence of chlorine in it is because the chlorines in chloroform are covalently bonded to the central atom carbon.
Which describe the formation of a precipitate?
A precipitate is a solid formed in a chemical reaction that is different from either of the reactants. This can occur when solutions containing ionic compounds are mixed and an insoluble product is formed. It also occurs in single displacement when one metal ion in solution is replaced by another metal ion.
What forms pink precipitate?
Precipitate colors
Metal | Color |
---|---|
Cobalt | Pink (when hydrated) |
Copper | Blue |
Iron (II) | Dirty Green |
Iron (III) | Reddish brown |
Which of the following gives white precipitate with ammoniacal AgNO3?
Only terminal alkynes react with ammoniacal silver nitrate to give white precipitate of silver acetylides.
Which of the following does not give yellow precipitate with AgNO3?
is 2-methyl vinyl iodide so it will not react with silver nitrate due to strong C-I bond and will not form yellow precipitate.
What happens when chloroform?
HIGHLIGHTS: Exposure to chloroform can occur when breathing contaminated air or when drinking or touching the substance or water containing it. Breathing chloroform can cause dizziness, fatigue, and headaches. Breathing chloroform or ingesting chloroform over long periods of time may damage your liver and kidneys.
What happens when aqueous AgNO3 is added to chloroform?
Chloroform will slowly decompose if left in the presence of moisture and oxygen (e.g., a container of it left open). The decomposition goes something like results in the formation of carbon dioxide and HCl. So, with impure chloroform, chloride is present and will precipitate AgCl if aqueous AgNO3 is added.
What happens when chloroform is added to Koh?
(vi) Potassium hydroxide Reaction: When chloroform reacts with aq. KOH, the chlorines on the carbon atom are successively replaced by -OH groups from KOH via. nucleophilic reaction (SN 2 ). 1 mole of Chloroform will react with 4 moles of KOH to produce 1 mole of HCOOK (potassium formate), 3 moles of KCl, and 2 moles of H2O.
Why does chloroform not give white precipitation with silver nitrate?
→ Chloroform does not give white precipitation with aqueous silver nitrate because C – Cl bond in chloroform is covalent and non – polar and does not ionize in aq. Solution to produce chloride ion (Cl – ). If chloroform is impure, precipitation will occur with aqueous AgNO 3 because it may contains HCl as impurities.
What is the reaction between chloroform and nitric acid?
Reactions of Chloroform: (i) Oxidation: It undergoes oxidation in the presence of light to give a highly poisonous substance called phosgene. 2CHCl3 + O2 → sunlight→ 2COCl2 + 2HCl. (ii) Substitution: Chloroform reacts with nitric acid to form chloropicrin or nitro-chloroform.