AP EAMCET · Chemistry · p Block Elements (Group 13 & 14)
Identify the incorrect statements from the following.
I. Tin in +2 state acts as reducing agent while lead in +4 state acts as strong oxidising agent.
II. Silicon exists as both \(\left[\mathrm{SiF}_6\right]^{2-}\) and \(\left[\mathrm{SiCl}_6\right]^{2-}\) forms.
III. The hybridisation of carbon in fullerene is \(s p^3\).
IV. Among \(\mathrm{Ge}, \mathrm{Sn}\) and \(\mathrm{Pb}\) lowest melting point is for \(\mathrm{Sn}\).
- A I, IV
- B II, IV
- C II, III
- D III, IV
Answer & Solution
Correct Answer
(C) II, III
Step-by-step Solution
Detailed explanation
(II). \(\left[\mathrm{SiF}_6\right]^{2-}\) is known but \(\left[\mathrm{SiCl}_6\right]^{2-}\) does not exist, this is because due to larger size of \(\mathrm{Cl}\) atom as compared to \(\mathrm{F}\) atom it is not possible to accommodate six atoms of \(\mathrm{Cl}\) around…
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