Question

When a greenish yellow gas 'X' is passed over dry slaked lime, a white powder 'Y' having a strong smell and used

for disinfecting drinking water supply is formed. [3]

a) Identify X and Y.

b) Give a balanced equation for the above reaction.

c) Write a balanced equation for the reaction of substance 'Y' with excess of dilute sulphuric acid.​

Answer 1

Answer:

The e/m ratio is known as specific charge where, e is the charge on particle and m is mass of the particles.

For neutrons ⇒ charge is zero.

mass =1.6×10 ^−27 amu

For proton ⇒ charge =1.6×10 ^−19 C

mass =1.6×10 ^−27 amu

For electron ⇒ charge =1.6×10 ^−19 C

mass =9.1×10 ^−31 amu

For α−particle ⇒ charge ⇒2×1.6×10 ^−19 C

mass ⇒4×1.6×10^ −27 amu

From these data, it can be concluded that neutron has least (e/m) specific charge and electron has high e/m ratio.

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