Chemistry – Class 11 Mock Test 2

10%

Question 1 of 10

1. The ideal gases were in ____ group of Mendeleev's periodic table.

3^rd

2^nd

4^th

1^st

Question 1 of 10

Question 2 of 10

2. In olden days, as a privilege to the discoverer, the elements were named as they suggested by IUPAC.

False

True

Question 2 of 10

Question 3 of 10

3. Determining the exact position and velocity of an electron is impossible at a time.

False

True

Question 3 of 10

Question 4 of 10

4. Which of the following statements you think is wrong regarding α particle scattering effect?

One in Twenty Thousand turns 180°

α particles mostly move through the gold foil having zero deflection

A small fraction are deflected

The thickness of the gold foil is about 100μm

Question 4 of 10

Question 5 of 10

5. What can be tested using a litmus paper?

Nothing

Basic nature only

Acidic nature only

Both acidic nature and basic nature

Question 5 of 10

Question 6 of 10

6. Atomic radii ____________ along the periods.

Decreases

Remains constant

Increases

Irregular

Question 6 of 10

Question 7 of 10

7. What's the symbol of the element Unnilquadium?

Unq

Unl

Uns

Ubn

Question 7 of 10

Question 8 of 10

8. What happens to the non-metallic nature as we move from left to right in groups?

Increases

Remains constant

Irregular

Decreases

Question 8 of 10

Question 9 of 10

9. The below process of filling electrons in an orbital follows __________

Aufbau principle

Pauli's exclusive principle

Hund's rule of maximum multiplicity

Electronic configuration

Question 9 of 10

Question 10 of 10

10. Which of the following period is the shortest one?

Question 10 of 10