NEET (National Eligibility cum Medical Entrance Test) Chemistry: Questions 224 - 230 of 1145

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Question number: 224

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Pyrosilicate

b.

Three dimensional silicates

c.

Sheet silicate

d.

Linear silicate

Question number: 225

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Magnesium

b.

Borax

c.

Colemanite

d.

Boric acid

Question number: 226

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

MCQ▾

Question

Which tetra halide does not act as Lewis acid?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 227

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

MCQ▾

Question

Extra pure nitrogen can be obtained by heating?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 228

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

MCQ▾

Question

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

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 229

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

MCQ▾

Question

Boron cannot form which one of the following anions?

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 230

» P-Block Elements Group 13 to 18 » Group 15 » Oxides and Oxoacids of Phosphorus

MCQ▾

Question

One mole of H3PO3 on reaction with excess of NaOH gives?

Choices

Choice (4) Response

a.

One mole of Equation

b.

One mole of Equation

c.

Two moles of Equation

d.

Two moles of Equation

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