Answer:
The water will not interfere with the testing of flammable liquids.
Answer: 48.4 g of will be produced from 25.5 g of iron
Explanation:
To calculate the moles :
The balanced chemical reaction is:
According to stoichiometry :
2 moles of require = 3 moles of
Thus 0.455 moles of will require= of
Mass of
Thus 48.4 g of will be produced from 25.5 g of iron
Complete question along with options is attached below,
Answer: Option-B (Ethene) is the correct answer.
Explanation: In given options except option-B (an alkene) all options are example of alkanes.
Reason for reactivity of Alkene:
Alkenes are more reactive than alkanes because it consists of a pi bond. Thus, the electron density in this pi bond lies below or above the bond axis, hence making it more exposed and accessible for incoming electrophile.
Secondly, the
pi bond is weaker than sigma bond and can easily break down. This weakness originates due to less effective overlap of the orbitals forming pi bond as compared to the overlap resulting in the formation of sigma bond.
Therefore, alkenes can add Br₂ through a
electrophillic addition reaction, while alkanes fail to show such reaction.
Answer:
Lithium is a naturally occurring alkali metal, which living organisms ingest from dietary sources and which is also present in trace amounts in the human body. In much higher concentrations, lithium is effective as a medication for mania and mood swings including manic depressive disorders