Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 102

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Ammonia forms the complex ion ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ with copper ions in alkaline solutions but not in acidic solutions. What is the reason for it?

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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-3>Q 103

[X] + H_{2} {SO}_{4} \to [Y]

, a colourless gas with an irritating smell.

[Y] + K_{2} {Cr}_{2} O_{7} + H_{2} {SO}_{4} \to

green solution

[X]

and

[Y]

are

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-3>Q 104

Amongst

H_{2} O, H_{2} S, H_{2} Se

and

H_{2} Te

the one with highest boiling point is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 1

Atomic number of

33, 51

represents the following family:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 2

Inert pair effect is observed in elements of which block:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 3

Which of the following statement is correct with respect to the property of elements in the carbon family with an increase in atomic number, their:

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

The properties which are not common to both groups

1

and

17

elements in the periodic table are:

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 5

Which of the following has the highest electron affinity?

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-4>Q 9

Anhydride of

{HClO}_{4}

is: