Column I Column II A. He i . Highest electron gain enthalpy B. Cl ii . Most electropositive element C. Ca iii . Strongest reducing agent D. Li iv . Highest ionisation energy The correct match of the contents in column I with those in column II is

A-( iv ), B-( i ), C-( ii ), D-( iii )

A-( iii ), B-( i ), C-( ii ), D-( iv )

A-( iv ), B-( iii ), C-( ii ), D-( i )

A-( i ), B-( ii ), C-( iii ), D-( iv )

E M B I B E

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 24

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IMPORTANT

Earn 100

Write atomic number difference between $1^{st}$ alkali metal and alkaline earth metal of $3^{rd}$ period of periodic table.

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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 25

The number of moles of water required to completely hydrolyse

1

m o l e

of magnesium nitride is ---------.

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 26

The main oxide formed by lithium on burning in air is

L i_{x} O_{Y}

. The value of

\frac{x}{y}

is --------.

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 27

Na + O_{2} \overset{Burnt}{⟶} {}^{'}P^{'}

The change in oxidation state of oxygen in the reaction per molecule of oxygen reactant.......

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 2>Q 28

The total number of alkali metals (non- radioactive) that when burnt with excess of

O_{2}

form superoxide is(are) ------.

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IMPORTANT

Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 3>Q 1

Identify the incorrect statement regarding beryllium.

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IMPORTANT

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

Which one of the following carbonates is unstable in air and is kept in

{CO}_{2}

atmosphere to avoid decomposition?

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IMPORTANT

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

Column $I$	Column $II$
A. $He$	$i$ . Highest electron gain enthalpy
B. $Cl$	$ii$ . Most electropositive element
C. $Ca$	$iii$ . Strongest reducing agent
D. $Li$	$iv$ . Highest ionisation energy

The correct match of the contents in column $I$ with those in column $II$ is

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Chemistry Crash Course JEE Main>Chapter 29 - The s-block Elements>Level 3>Q 4

Which of the following is the strongest base?

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Write atomic number difference between 1st alkali metal and alkaline earth metal of 3rdperiod of periodic table.

Important Questions on The s-block Elements

Learn and Prepare for any exam you want !

Write atomic number difference between $1^{st}$ alkali metal and alkaline earth metal of $3^{rd}$ period of periodic table.