Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 1>Q 60

MEDIUM

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IMPORTANT

Earn 100

If the formula of basic Beryllium nitrate is $[B e_{n} O {(N O_{3})}_{6}]$ . What is the value of 'n' here

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Important Questions on The s-block Elements

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 1

The hydration energy of

{Mg}^{2 +}

is:

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 2

Which one of the following correctly represents the increasing order of thermal stability of carbonates?

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 3

Halides of alkaline earth metals form hydrates such as

{MgCl}_{2} \cdot 6 H_{2} O, {CaCl}_{2} \cdot 6 H_{2} O, {BaCl}_{2} \cdot 2 H_{2} O

and

{SrCl}_{2} \cdot 2 H_{2} O

. This shows that halides of group

2

elements

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 4

On prolonged exposure to air, sodium finally changes to

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 5

Setting of Plaster of Paris is due to its:

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 6

Alkali metal

(M)

dissolves in liquid

{NH}_{3}

to give:

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 7

The correct order of energy of

2 s

orbitals in

H, Li, Na

and

K

is

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 8

The thermal stability of alkaline earth metal carbonates

- {MgCO}_{3}, {CaCO}_{3}, {SrCO}_{3}

and

{BaCO}_{3}

, follows the order: