Question

9. When silver chloride is exposed to sunlight, its colour changes. Give reaso
10. What are strong acids?
H. Write the functional group present in propanone,
12. Write the function of adrenaline hormone.​

Answer 1

9. White coloured Silver chloride undergoes photolytic decomposition and turns into Grey Silver and Yellow-Green Chlorine gas.

sunlight

2AgCl -------------> 2Ag + Cl2

10. Strong acids are those which completely dissociate into ions in water and form a higher number of hydronium ions in water. For example, Hydrochloric Acid, Sulphuric Acid.

11. Ketone is the functional group present in Propanone.

12. Adrenaline helps us deal with any fight or flight (stressful) situations. The heartbeat increases, along with the breathing rate. More oxygen-rich blood is provided to our skeletal muscles.

Answer 2

Answer:

9. Silver Chloride decomposes due to photolytic decomposition reaction to give Silver and Chlorine gas.

10. Acids which have high concentration of H+ ions are known as strong acids.

11. The functional group present in propane is ketone.

12. The function of adrenaline hormone is to trigger the fight or flight response in humans and animals on threatening situations.

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