Question # 1

In which compound, oxidation state of sulphur is +6

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H2S

H2SO4

H2SO3

SO3

The basis of modern periodic table is

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Electron affinity

Atomic mass

Ionization Potential

Atomic number

Which class of elements shows law value of first ionization potential.

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Alkali metals

Alkaline earth metals

Halogens

Noble gases

Which of the following element has lowest ionization energy

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Beryllium

Boron

Carbon

Oxygen

Mark the correct statement.

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Na+ is smaller than Na atom

Na+ is large than Na atom

Cl- is smaller than Cl atom

cl- and Cl are equal in size

Which property of hydrogen not resemble to alkali metals.

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Electronic configuration

Oxidation state

Reaction with halogen

Metallic nature

Which statement is incorrect.

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All the metals are good conductors of electricity

All the metals are good conductor of heat

All the metal form positive ions

All the metal form acidic oxides

The oxides of metal sare generally

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Acidic

Basic

Neutral

Amphoteric

In a period, from left to right in the periodic table, the size of atom generally.

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Increases

decreases

Remains constant

First increase upto the middle of period and then decreases

Fluorine is in group VII A of periodic table. Its chemistry will most closely resembles that of.

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Argon

Boron

Iodine

Sulphur

Which of the following the highest hydration energy

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Li⁺

Na⁺

K⁺

Mg⁺⁺

Number of elements in the first period of the periodic table is

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2

8

14

18

Mark the incorrect statement

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Metallic character increase down the group

Metallic character increase from left to right along a period

Metallic character decrease from left to right along a period

Metallic character remains the same down the group

Which one of the following elements has the largest second ionization energy.

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O

Na

F

Ne

Which one of the following elements burns in air to form an oxide which, when shaken with water, give a solution with a pH greater than 7.

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Carbon

Magnesium

sulphur

Hydrogen

Which one of the following elements burns in air to form an oxide which, when shaken with water, give sa solution with a pH greater than 7.

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Carbon

Magnesium

sulphur

Hydrogen

As you proceed across a period in the periodic table the first ionization energy

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Decrease

Increase

Remains constant

First increase up the middle of period and then decreases

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Chemistry Fsc Part 2 Chapter 1 Online Test MCQs With Answers

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