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Class XI Chemistry Classification of Elements and Periodicity in Properties Quiz 1

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Question 1

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

Question 2

Moving down in a group in the modern periodic table, electro negativity_____.

Question 3

Which of the following sets of elements have almost same atomic radii.

Question 4

Arrange NO2, and in order of decreasing bond angle?

Question 5

Which one of the following species is diamagnetic in nature?

Question 6

The atomic numbers of vanadium (V), chromium (Cr), manganese (Mn) and iron (Fe) are respectively 23, 24, 25 and 26. Which one of these may be expected to have the highest second inonization enthalpy?

Question 7

The increasing order of the ionic radii of the given isoelectronic species is :

Question 8

Which of the following has highest ionisation energy?
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