Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>EXERCISE>Q 50

EASY

KVPY Aptitude Test - Stream SA

IMPORTANT

Earn 100

Consider the following statements.

$S_{1} :$ Fluorine does not form any polyhalide as it has low $F - F$ bond energy.

$S_{2} :$ The chlorine has the most negative electron gain enthalpy.

$S_{3} :$ The first ionization potential of $N$ and $O$ atoms are $14.6$ and $13.6 eV$ respectively.

Which of the above statements are correct?

38.89% studentsanswered this correctly

Important Questions on Periodic Table & Periodicity

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KVPY Aptitude Test - Stream SA

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 1

The energy required to remove an electron from an isolated atom in the gaseous phase follows the order.

EASY

KVPY Aptitude Test - Stream SA

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 2

Among

Li, Be, N

and

F

the element having the largest atomic radius is :

EASY

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IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 3

Li

metal is a better reducing agent than

Na

metal because:

EASY

KVPY Aptitude Test - Stream SA

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 4

Atomic radii of alkali metals follow the order:

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KVPY Aptitude Test - Stream SA

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 5

The atomic radii of the elements across the second period of the periodic table,

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IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 7

The order of reactivity of

K, Mg, Au

and

Zn

with water is:

EASY

KVPY Aptitude Test - Stream SA

IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 11

Mendeleev's periodic law states that the properties of elements are a periodic function of their:

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IMPORTANT

Practice Book for KVPY Aptitude Test - Stream SA Chemistry>Chapter 8 - Periodic Table & Periodicity>KVPY PROBLEMS (PREVIOUS YEARS)>Q 12

O^{- 2}

is isoelectronic with: