S-Block Elements Group 1 and 2-Trends in Physical and Chemical Properties (NEET Chemistry): Questions 7 - 12 of 12

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Question number: 7

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Which category of salts of alkaline earth metals is not found in solid state but known in solution?

Choices

Choice (4) Response

a.

Bicarbonates

b.

Sulphates

c.

Hydroxides

d.

Carbonates

Question number: 8

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

When a piece of magnesium ribbon was heated to redness in an atmosphere of nitrogen and on cooling water was added, the gas evolved is?

Choices

Choice (4) Response

a.

Nitrogen

b.

Hydrogen

c.

Oxygen

d.

Ammonia

Question number: 9

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

What will be the change in hybrid state of BeCl 2 in the solid state?

Choices

Choice (4) Response

a.

sp3

b.

sp

c.

sp2

d.

dsp2

Question number: 10

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Why BaSO 4 is insoluble where as BeSO 4 is soluble in water?

Choices

Choice (4) Response

a.

Hydration energy of BaSO 4 is more than its lattice energy

b.

Hydration energy of BeSO 4 is less than its lattice energy

c.

Hydration energy of BaSO 4 is equal to lattice energy

d.

Hydration energy of BaSO 4 is less than its lattice energy

Question number: 11

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Arrange the motilities of alkali metal ions in aqueous solution?

Choices

Choice (4) Response

a.

L i + < N a + < K + < R b +

b.

Na+>Li+>K+>Rb+

c.

Li+>Na+>K+>Rb+

d.

Na+<Li+<K+<Rb+

Question number: 12

» S-Block Elements Group 1 and 2 » Trends in Physical and Chemical Properties

MCQ▾

Question

Which of the following alkali metal has lowest density?

Choices

Choice (4) Response

a.

Strontium

b.

Magnesium

c.

Calcium

d.

Beryllium

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