Which of the following statements is incorrec | vedclass

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(C) $1$. Due to the inert pair effect,the stability of the lower oxidation state increases down the group. $2$. $Bi^{5+}$ is highly unstable because $

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$Sn^{4+}$ salts are good oxidising agents

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(C) $1$. Due to the inert pair effect,the stability of the lower oxidation state increases down the group. $2$. $Bi^{5+}$ is highly unstable because $Bi(III)$ is the most stable oxidation state for Bismuth,hence $Bi^{5+}$ salts do not exist. $3$. $Pb^{4+}$ is a strong oxidising agent because $Pb(II)$ is more stable than $Pb(IV)$. $4$. $Sn^{4+}$ is the most stable oxidation state for Tin,so it is not a good oxidising agent. $5$. $Tl^{+}$ is the most stable oxidation state for Thallium,so it is not a good oxidising agent. $6$. Therefore,the statement that $Sn^{4+}$ salts are good oxidising agents is incorrect.

Which of the following statements is incorrect?

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