NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 222 - 228 of 1258

Access detailed explanations (illustrated with images and videos) to 1258 questions. Access all new questions we will add tracking exam-pattern and syllabus changes. Subscription can be renewed yearly absolutely FREE! View Sample Explanation or View Features.

Rs. 500.00 or

How to register?

Question number: 222

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

Edit
MCQ▾

Question

Reactivity of borazole is higher than that of benzene because?

Choices

Choice (4) Response

a.

Of localized electrons in it

b.

Borazole is a polar compound

c.

Boazole is non polar compound

d.

Borazole is electron deficient compound

Question number: 223

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

Edit
MCQ▾

Question

The bonds present in borazole are?

Choices

Choice (4) Response

a.

12σ, 3π

b.

9σ, 9π

c.

9σ, 6π

d.

6σ, 6π

Question number: 224

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

Edit
MCQ▾

Question

In (tetrahedral structure), three oxygen atoms are shared in which of the following?

Choices

Choice (4) Response

a.

Sheet silicate

b.

Pyrosilicate

c.

Linear silicate

d.

Three dimensional silicates

Question number: 225

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

Edit
MCQ▾

Question

Which one of the following minerals of borax is also known as Tincal or Suhaga?

Choices

Choice (4) Response

a.

Magnesium

b.

Colemanite

c.

Boric acid

d.

Borax

Question number: 226

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

Edit
MCQ▾

Question

Which tetra halide does not act as Lewis acid?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 227

» P-Block Elements Group 13 to 18 » Group 15 » Nitrogen

Edit
MCQ▾

Question

Extra pure nitrogen can be obtained by heating?

Choices

Choice (4) Response

a.

b.

c.

d.

Question number: 228

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

Edit
MCQ▾

Question

Ionization enthalpy for the elements of group 13 follows the order?

Choices

Choice (4) Response

a.

b.

c.

d.