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What kind of reaction occurs when hexene decolourises bromine in carbon tetrachloride?
When hexene decolourises bromine in carbon tetrachloride, an addition reaction occurs. The double bond in hexene reacts with bromine, resulting in the formation of a vicinal dibromide. This reaction leads to the loss of the characteristic reddish-brown color of bromine, indicating that the bromine has been consumed in the reaction.
What kind of reaction occurs in a galvanic cell?
In a galvanic cell, a redox (reduction-oxidation) reaction occurs, where one substance is oxidized and loses electrons, while another is reduced and gains electrons. This spontaneous chemical reaction generates electrical energy, which can be harnessed to do work. The oxidation occurs at the anode, and the reduction takes place at the cathode, creating a flow of electrons through an external circuit.
Why does it turn dark purple when you mix cornstarch with iodine?
When cornstarch is mixed with iodine, a process called iodine starch complex formation occurs. This reaction turns the mixture dark purple because the iodine molecules interact with the starch molecules and form a specific type of complex that absorbs light in the visible spectrum, giving it a purple color.
What kind of reaction occurs when the entropy change of an endothermic reaction is negative?
The reaction is exothermic
What kind of reaction occurs when alkenes decolourises bromine in tetra chloromethane?
The reaction is an addition reaction, where the bromine molecule adds across the double bond of the alkene, forming a colorless dibromoalkane product. This causes the bromine solution to lose its characteristic orange color, resulting in decolorization.
What will happen when potassium and water together what kind of changes?
When potassium metal and water are mixed, a chemical reaction occurs. This exothermic reaction produces hydrogen gas and potassium hydroxide, which dissolves in the remaining water. This reaction can be vigorous and produce light, heat and sound.
What kind of chemical reaction occurs when acetic acid vinegar and sodium bicarbonate baking soda are mixed?
A neutralization reaction. Because vinegar is acetic acid, and baking soda is a base, and they neutralize each other.
What kind of reaction is NaCl plus KNO3?
When NaCl (sodium chloride) and KNO3 (potassium nitrate) are mixed together, no chemical reaction occurs as each compound remains as separate ions in solution. This is known as a physical mixture or a non-reactive mixture.
What type reaction occurs when complex compounds are broken down into simpler substances?
This kind of reaction is called "decomposition".
What kind of reaction occurs to produce energy inside a star?
Nuclear Fusion
What kind of rection occurs when water breaks down producing hydrogen and oxygen?
a decomposition reaction
What kind of tidal pattern occurs along California's shores Diurnal Mixed Semidiurnal or Spring?
Just found the answers to my own question... HA! The answer is Mixed Tides.
Is rocky road ice cream a substance or a mixture and what kind?
Mixture... the cookies and ice cream and mixed together as there was no chemical reaction involved. It is heterogeneous because they are not evenly mixed together.
What kind of reaction occurs when hexene decolourises bromine in carbon tetrachloride?
When hexene decolourises bromine in carbon tetrachloride, an addition reaction occurs. The double bond in hexene reacts with bromine, resulting in the formation of a vicinal dibromide. This reaction leads to the loss of the characteristic reddish-brown color of bromine, indicating that the bromine has been consumed in the reaction.
What is a kind of mixture?
Two or more chemical substances, mixed without a chemical reaction form a mixture; examples: wine, asphalt, juice, air.
Why does it turn dark purple when you mix cornstarch with iodine?
When cornstarch is mixed with iodine, a process called iodine starch complex formation occurs. This reaction turns the mixture dark purple because the iodine molecules interact with the starch molecules and form a specific type of complex that absorbs light in the visible spectrum, giving it a purple color.
What kind of reaction is photosynthesis?
Photosynthesis is a chemical reaction that converts carbon dioxide and water into glucose and oxygen using sunlight as an energy source. It is a complex process that occurs in plants, algae, and some bacteria.
