S-Block Elements Group 1 and 2-Trends in Physical and Chemical Properties (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 1 - 7 of 12

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Question number: 1

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

MCQ▾

Question

Which of the following compounds of alkali metals decompose on heating?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 2

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

MCQ▾

Question

Which of the following statement is not true regarding the properties of alkali metal?

Choices

Choice (4) Response

a.

Halides and hydrides of beryllium do not polymerize

b.

BaO is soluble, but BaSO 4 is insoluble in water

c.

Alkali earth metals can’t be obtain by chemical reduction

d.

BeO insoluble, but BaSO 4 is soluble in water

Question number: 3

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

MCQ▾

Question

Which pair of following chloride do not impart colour to the flame?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 4

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

MCQ▾

Question

A metal M readily forms water soluble sulphate water insoluble hydroxide and oxide which becomes inert on heating. The hydroxide is soluble in Then M is?

Choices

Choice (4) Response

a.

Magnesium

b.

Strontium

c.

Beryllium

d.

Calcium

Question number: 5

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

MCQ▾

Question

Which one of the following alkali metal is strong reducing agent?

Choices

Choice (4) Response

a.

k

b.

Cs

c.

Mg

d.

Question number: 6

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

MCQ▾

Question

Which one of the following oxide of alkali metal is used as refractory material?

Choices

Choice (4) Response

a.

b.

c.

d.

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

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