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JEE 2020 Chemistry : Classification Of Elements and Periodicity in Properties Quiz-2 (25.07.2019)

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Question 1

For the element Z, student A measured its radius as 84 nm, student B as 96 nm and student C as 107 nm. If all of these radii are correct then the radius measure by A, B and C are respectively:

Question 2

Which of the following statement is incorrect?

Question 3

Which of the following ion will have highest radius?

Question 4

Electron gain enthalpy with negative sign of fluorine is less than that of chlorine due to :

Question 5

The least electron affinity is found in:

Question 6

Which of the following statements is not true about ionisation potential?

Question 7

In which of the following processes energy is absorbed?

Question 8

According to Mendeleev’s periodic law, properties of elements are periodic function of their:

Question 9

Pauling’s electronegativity scale is based upon experimental values of -

Question 10

For heteronuclear diatomic molecule A-B having electronegativity difference (X_a – X_b), the bond length can be calculated as:
d_a–b = r_a + r_b - m(X_a – X_b)
Then the value of 100m is:

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