Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 49

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Earn 100

In benitonite $({BaTiSi}_{3} O_{9})$ number of $O$ atoms shared persilicate tetrahedron is.....

Important Questions on The p-Block Elements

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 50

The overall charge present on the cyclic silicate anion

{[{Si}_{6} O_{18}]}^{- n}

is

{}^{''}- n^{''}

. Report

n

.

HARD

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 51

The silicate anion in the mineral kinoite is a chain of three

{SiO}_{4}

tetrahedrons that share corners with the adjacent tetrahedron. The mineral also contains

{Ca}^{2 +}

and

{Cu}^{2 +}

and

{As}^{2 +}

ion and water molecules in a

1 : 1 : 1

ratio. The formula of mineral is

{Ca}_{2} {Cu}_{2} {Si}_{3} O_{n} . 2 H_{2} O

. Give the value of

{}^{''}n^{''}

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 52

Select the correct statement(s).

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 53

One of the most fascinating developments in modern chemistry has been the synthesis of Buckminster fullerene,

C_{60}

. Identify the correct options about

C_{60}

.

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 54

Graphite and diamond will behave differently in which of the following reactions?

Question Image

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 55

Which statement(s) is/are correct?

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 56

What products are expected from the reaction between colemanite powder and sodium carbonate solution, when they are heated?

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Alpha Question Bank for Engineering: Chemistry>Chapter 19 - The p-Block Elements>Exercise-2>Q 57

Which of the following forms tetrahydridoborates