Which among the following halides is inert towards hydrolysis?

1. BF₃

2. SiCl₄

3. PCl₅

4. SF₆

Among the following substituted silanes the one which will give rise to cross-linked silicone polymer on
hydrolysis is: 

1. RSiCl₃

2. R₂SiCl₂

3. R₃SiCl

4. R₄Si

(Me)₂SiCl₂ on hydrolysis, followed by condensation polymerization yields-

1.	(Me)2Si(OH)2
2.	(Me)2Si=O
3.
4.	Me2SiCl(OH)

Consider the following reaction,

$\mathrm{Al}+\mathrm{NaOH}\to \mathrm{X}+{\mathrm{H}}_2$
${\mathrm{B}}_2{\mathrm{H}}_6<mspace\; width="1em"></mspace>+<mspace\; width="1em"></mspace>{\mathrm{NH}}_3\to \mathrm{Y}$

X and Y in the above reaction are:

$1.<mspace\; width="1em"></mspace>\mathrm{X}=<mspace\; width="1em"></mspace>\mathrm{Al}{\left(\mathrm{OH}\right)}_2<mspace\; width="1em"></mspace>;<mspace\; width="1em"></mspace>\mathrm{Y}<mspace\; width="1em"></mspace>=<mspace\; width="1em"></mspace>{\mathrm{N}}_2\left[{\mathrm{BH}}_4\right]$
$2.<mspace\; width="1em"></mspace>\mathrm{X}<mspace\; width="1em"></mspace>=\mathrm{Na}\left[\mathrm{Al}{\left(\mathrm{OH}\right)}_4\right]<mspace\; width="1em"></mspace>;<mspace\; width="1em"></mspace>\mathrm{Y}<mspace\; width="1em"></mspace>={\mathrm{N}}_3{\mathrm{B}}_3{\mathrm{H}}_6$
$3.<mspace\; width="1em"></mspace>\mathrm{X}=<mspace\; width="1em"></mspace>\mathrm{Na}\left[\mathrm{Al}{\left(\mathrm{OH}\right)}_4\right]<mspace\; width="1em"></mspace>;<mspace\; width="1em"></mspace>\mathrm{Y}<mspace\; width="1em"></mspace>=<mspace\; width="1em"></mspace>{\mathrm{B}}_3{\mathrm{N}}_2$
$4.<mspace\; width="1em"></mspace>\mathrm{None}<mspace\; width="1em"></mspace>\mathrm{of}<mspace\; width="1em"></mspace>\mathrm{the}<mspace\; width="1em"></mspace>\mathrm{above}$

Incorrect statement among the following options is :

The incorrect statement regarding diamond and graphite is-

The correct statement(s) regarding Lead compounds is/are:

1. Lead (II) reacts with Cl₂ to give PbCl₄

2. Lead (IV) chloride is highly stable towards heat.

3. Lead is not known to form an iodide, PbI₄

4. Both (1) and (3)

The complex formed on reaction of Sodium hexafluoroaluminate(III) with BF₃ is -

1. $\mathrm{Na}\left[{\mathrm{BF}}_4\right]$

2. ${\mathrm{Na}}_2\left[{\mathrm{BF}}_4\right]$

3. $\mathrm{Na}{\left[{\mathrm{BF}}_4\right]}_2$

4. None of the above 

The correct statement(s) among the following options is/are:

The incorrect statement among the following options is-