P-Block Elements Group 13 to 18 (NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry): Questions 14 - 20 of 100

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1195 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. View Sample Explanation or View Features.

Rs. 450.00 or

Question number: 14

» P-Block Elements Group 13 to 18 » Group 14 » Tendency for Catenation

MCQ▾

Question

Lime water is formed milky on passing CO2 with the formation of?

Choices

Choice (4) Response

a.

b.

c.

d.

Question does not provide sufficient data or is vague

Question number: 15

» P-Block Elements Group 13 to 18 » Group 14 » Zeolites

MCQ▾

Question

When hard water is passed through a column packed with zeolite, calcium and magnesium ions exchange with?

Choices

Choice (4) Response

a.

Barium

b.

Aluminium

c.

Zinc

d.

Sodium

Question number: 16

» P-Block Elements Group 13 to 18 » Groupwise Study of the P - Block Elements

MCQ▾

Question

Although the ionization potential of boron is less than gold, yet former is non-metal while the latter is a metal?

Choices

Choice (4) Response

a.

Because boron has 6 atoms as neighbours

b.

Because gold has 12 neighbour atoms

c.

Due to the structural difference

d.

All a. , b. and c. are correct

Question number: 17

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

MCQ▾

Question

A dry ice piece is composed of?

Choices

Choice (4) Response

a.

Solid SO2

b.

Solid He

c.

Solid CO2

d.

Solid C6H6

Question number: 18

» P-Block Elements Group 13 to 18 » Group 13 » Boron

MCQ▾

Question

Sesquioxide can be obtained by heating?

Choices

Choice (4) Response

a.

Orthoboric acid

b.

Borax

c.

Metaboric acid

d.

Boronitride

Question number: 19

» P-Block Elements Group 13 to 18 » Groupwise Study of the P - Block Elements

MCQ▾

Question

Which of the following is acidic in nature?

Choices

Choice (4) Response

a.

Al (OH) 2

b.

c.

d.

B

Question number: 20

» P-Block Elements Group 13 to 18 » Group 14 » Allotropes of Carbon

MCQ▾

Question

Which of the following is not correct regarding graphite?

Choices

Choice (4) Response

a.

It is an amorphous allotrope of carbon

b.

Used for making lubricants

c.

A good conductor of heat

d.

Softer than diamond

f Page
Sign In