
Statement -1 : is an oxidising agent and reduced to .
Statement - 2 : Stability of on account of inert pair effect.
A.Statement – I is True, statement- 2 is True; Statement 2 is a correct explanation of statement – I.
B.Statement – I is True, statement- 2 is True; Statement 2 is NOT a correct explanation of statement – I.
C.Statement – I is True, statement- 2 is False
D.Statement – I is False, statement- 2 is True
Answer
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Hint: The atomic number of lead is . The electrons in appears to participate in the chemical bonding formation. This is why lead occurs in two states of oxidation: and .
Complete step by step answer:
Before analysing the question, let's first learn about inert pair effects.
Inert pair effect is the reluctance of orbitals electrons to take part in chemical reaction.
As we know lead has two oxidation states. Among them, the state is very unstable because the and electrons have a huge energy difference. So promoting the electrons to the subshell for the formation of oxidation state by lead removing it's electrons is not an easy process because it requires a lot of energy. This is the effect of inert electron pairs.
In lead dioxide, lead has an oxidation state of as a result lead donates two oxygen atoms to form lead monoxide in which lead has an oxidation state of to achieve stability. That is why lead dioxide is reduced and other compounds are oxidised and we recognise that oxygen elimination is an example of reduction. That's why it acts as a good oxidising agent.
From the above explanation, it is clear that statement is True, and statement is a correct explanation of statement .
So, the correct answer is Option A.
Note:
An oxidising agent is a substance that undergoes reduction and a reducing agent is a substance that actually undergoes oxidation. Reduction is the process of gaining electrons whereas oxidation is the process of losing electrons
Complete step by step answer:
Before analysing the question, let's first learn about inert pair effects.
Inert pair effect is the reluctance of
As we know lead has two oxidation states. Among them, the
In lead dioxide, lead has an oxidation state of
From the above explanation, it is clear that statement
So, the correct answer is Option A.
Note:
An oxidising agent is a substance that undergoes reduction and a reducing agent is a substance that actually undergoes oxidation. Reduction is the process of gaining electrons whereas oxidation is the process of losing electrons
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