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

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Thallium forms stable chloride, $TlCl$ , unlike Aluminium which forms chloride ${AlCl}_{3}$ . This is because:

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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 61

Silicones are water repelling in nature because-

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 63

Lead dissolves most readily in dilute:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 64

The most abundant element in the earth's crust is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 65

In chlorides, the common oxidation states of aluminium and thallium are

+ 3

and

+ 1

respectively

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 66

{Sn}^{2 +}

compounds like

SnO

and

{SnCl}_{2}

are well known reducing agents, while

{PbO}_{2}

acts as an oxidizing agent. Which of the following statements support these reactivities?

I

.

S n O

is more stable than

Sn 0_{2}

i i

.

{Sn}^{4 +}

is more stable than

{Sn}^{2}

thore

I I I

.

P b^{4 +}

is more stable than

P b^{2}

IV.

P b^{2 +}

is more stable than

P b^{4}

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 67

Boron can be obtained by:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 68

Aluminium can be prepared by:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 69

Which of the following can produce silicon.