p-Block Elements-I - Result Question 17-1
Assertion and Reason
(a) Statement I is correc;t Statement II is correct Statement II is the correct explanation of Statement I
(b) Statement I is correct; Statement II is correct Statement II is not the correct explanation of Statement I
(c) Statement I is correct; Statement II is incorrect
(d) Statement I is incorrect; Statement II is correct
17.
Statement I Between $\mathrm{SiCl}_4$ and $\mathrm{CCl}_4$, only $\mathrm{SiCl}_4$ reacts with water.
Statement II $\mathrm{SiCl}_4$ is ionic and $\mathrm{CCl}_4$ is covalent.
(2001, S, 1M)
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Answer:
Correct Answer: 17. (c)
Solution:
- $\mathrm{SiCl}_4$ reacts with water due to vacant $d$-orbitals available with Si as:
No such vacant $d$-orbitals are available with carbon, hence $\mathrm{CCl}_4$ does not react wtih water. Otherwise, both $\mathrm{SiCl}_4$ and $\mathrm{CCl}_4$ are covalent.
Statement I is correct but statement II is incorrect.