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)

Show Answer

Answer:

Correct Answer: 17. (c)

Solution:

  1. $\mathrm{SiCl}_4$ reacts with water due to vacant $d$-orbitals available with Si as:

<img src=“https://temp-public-img-folder.s3.amazonaws.com/sathee.prutor.images/sathee_image/snip_images_yqCl90l15p_3LfO4jFQHYMbNBR5mC9YQ3F0rnHimPt4_original_fullsize_png.jpg"width="300"/>

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.



Table of Contents