S-Block Elements Group 1 and 2 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 36 - 41 of 49

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Question number: 36

» S-Block Elements Group 1 and 2 » General Introduction

MCQ▾

Question

The name and formula of the compound of magnesium, chlorine and oxygen used as a drying agent is?

Choices

Choice (4) Response

a.

Magnesium per chlorate

b.

Magnesium chlorate

c.

Magnesium oxy chlorite

d.

None of the above

Question number: 37

» S-Block Elements Group 1 and 2 » Electronic Configuration

MCQ▾

Question

Sodium is heated in air at 350 0 C to form X, X absorbs CO 2 and forms sodium carbonate and Y. Which of these following is Y. ?

Choices

Choice (4) Response

a.

b.

c.

O 3

d.

Question number: 38

» 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: 39

» S-Block Elements Group 1 and 2 » Biological Significance of Na, K, Mg and Ca

MCQ▾

Question

Which of the following magnesium compound is used as antacid in medicine?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 40

» S-Block Elements Group 1 and 2 » General Introduction

MCQ▾

Question

Which of the following process is used for preparation of Pearl ash?

Choices

Choice (4) Response

a.

Le-Blancs process

b.

Nelson process

c.

Electrolytic process

d.

Lowig’s process

Question number: 41

» S-Block Elements Group 1 and 2 » Electronic Configuration

MCQ▾

Question

How many electrons will be there in penultimate shell of potassium?

Choices

Choice (4) Response

a.

3 electrons

b.

8 electrons

c.

6 electrons

d.

1 electron

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