lonisation energies of Ni and Pt in kJ mol - 1 are given below ( IE ) 1 + ( IE ) 2 ( IE ) 3 + ( IE ) 4 Ni 2 . 49 8 . 80 Pt 2 . 60 6 . 70 So, select the correct statement

nickel ( II ) compounds tend to be thermodynamically more stable than platinum ( II )

platinum ( IV ) compounds tend to be more stable than nickel ( IV )

Which of the following is true about the element As 33 according to Modern periodic table:

It is one among typical elements.

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 56

HARD

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IMPORTANT

Earn 100

(a) Explain why is sodium less reactive than potassium?

(b) ${IE}_{1}$ value of $Mg$ is more than that of $Na$ while it's ${IE}_{2}$ value is less. Explain?

Important Questions on Classification of Elements and Periodicity in Properties

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 57

The basic strength of the hydrides of group

15

elements:

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 58

The transition elements have a general electronic configuration:

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 59

First

IE

of

5 d

series elements are higher than those of

3 d

and

4 d

series elements. This is due to:

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 60

lonisation energies of $Ni$ and $Pt$ in $kJ {mol}^{- 1}$ are given below

	$(IE)_{1} + (IE)_{2}$	$(IE)_{3} + (IE)_{4}$
$Ni$	$2.49$	$8.80$
$Pt$	$2.60$	$6.70$

So, select the correct statement

EASY

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Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-1>Q 61

lanthanoids and actinoids resemble in :

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-2>Q 1

The statement that is not correct for periodic classification of elements in Modern periodic table is:

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-2>Q 2

Which of the following is true about the element

{}_{33}{As}

according to Modern periodic table:

EASY

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IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 13 - Classification of Elements and Periodicity in Properties>Exercise-2>Q 3

Which of the following contains atomic number of only

s

-block?

Learn and Prepare for any exam you want !

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(a) Explain why is sodium less reactive than potassium? (b) IE1 value of Mg is more than that of Na while it's IE2 value is less. Explain?

Important Questions on Classification of Elements and Periodicity in Properties

Learn and Prepare for any exam you want !

(a) Explain why is sodium less reactive than potassium?

(b) ${IE}_{1}$ value of $Mg$ is more than that of $Na$ while it's ${IE}_{2}$ value is less. Explain?