P-Block Elements Group 13 to 18-Group 13 (NEET Chemistry): Questions 1 - 6 of 20

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Question number: 1

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

MCQ▾

Question

Which of the following compound is formed in borax bead test?

Choices

Choice (4) Response

a.

Orthoborate

b.

Double oxide

c.

Tetarborate

d.

Metaborate

Question number: 2

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

MCQ▾

Question

Aluminium chloride exists as a dimer, Al2Cl6 , in solid state as well as in solution of non polar solvents such as benzene. When dissolved in water, it gives?

Choices

Choice (4) Response

a.

[Al(H2O)6]+3+3Cl

b.

Al2O3+6HCl

c.

[Al(H2O)6]3+3HCl

d.

Al+3+3Cl

Question number: 3

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

MCQ▾

Question

Borax is used as a cleansing agent because on dissolving in water, it gives?

Choices

Choice (4) Response

a.

Bleaching solution

b.

Acidic solution

c.

Neutral solution

d.

Alkaline solution

Question number: 4

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

MCQ▾

Question

Which of the following mixture is used to convert Al2O3 into anhydrous AlCl3 on heating?

Choices

Choice (4) Response

a.

Al2O3withHClgas

b.

A mixture of Al2O3andcarbonindryCl2gas

c.

Al2O3withCl2gas

d.

Al2O3withNaCl gas solid state

Question number: 5

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

MCQ▾

Question

Which of the following compound does not exist?

Choices

Choice (4) Response

a.

B2H2(CH3)4

b.

B2H4(CH3)2

c.

B2H3(CH3)2

d.

B2H(CH3)5

Question number: 6

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

MCQ▾

Question

Bauxite ore is generally contaminated with impurity of oxides of two elements E1and E2. Which of the following statements is correct?

Choices

Choice (4) Response

a.

E1 is a non-metal and belongs to 3rd period while E2 is a metal and belong to fourth period

b.

One of the two oxides has three dimensional polymeric structures

c.

Both a. and b. are correct

d.

Question does not provide sufficient data or is vague

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