Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 39

EASY

11th Telangana Board

IMPORTANT

Earn 100

Select in each pair, the one having lower ionization energy and explain the reason.

$Ba$ and $Sr$ .

Important Questions on Classification of Elements and Periodicity in Properties

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 39

Select in each pair, the one having lower ionization energy and explain the reason.

$O$ and $S$ .

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 39

Select in the given pair, the one having lower ionization energy and explain the reason.

$Be$ and $B$ .

EASY

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 39

Select in the given pair, the one having lower ionization energy and explain the reason: $N$ and $O$ .

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 40

{IE}_{1}

of

O < {IE}_{1}

of

N

but

{IE}_{2}

of

O > {IE}_{2}

of

N

. Explain.

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 41

{Na}^{+}

has higher value of ionization energy than

Ne

, though both have same electronic configuration-Explain.

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11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 42

Which in each pair of elements has a more electron gain enthalpy? Explain.

$N$ or $O$ .

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11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 42

Which in each pair of elements has a more electron gain enthalpy? Explain.

$F$ or $Cl$ .

MEDIUM

11th Telangana Board

IMPORTANT

Intermediate First Year Chemistry>Chapter 2 - Classification of Elements and Periodicity in Properties>QUESTIONS>Q 43

Electron affinity of chlorine is more than that of fluorine-Explain.