${\mathrm{SnCl}}_2$ acts as a reducing agent because

Important Questions on The p-Block Elements

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 54

The acidic hydroxide is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 55

Carbon dioxide is gaseous, while ${\mathrm{SiO}}_2$ is solid because:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 56

The metal that can be extracted from its oxide by reduction with carbon is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 57

Aluminium oxide exists in nature as gems with different colours. The reason for the difference in colour is that:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 58

White lead is

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 59

In borax bead test, the borax used is ${\mathrm{Na}}_2{\mathrm{B}}_4{\mathrm{O}}_7.10{\mathrm{H}}_2\mathrm{O}$. However, the species that is responsible for the test is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 60

Thallium forms stable chloride, $\mathrm{TlCl}$, unlike Aluminium which forms chloride ${\mathrm{AlCl}}_3$. This is because:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 61

Silicones are water repelling in nature because-