P-Block Elements Group 13 to 18-Group 13 (NEET Chemistry): Questions 15 - 20 of 20

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Question number: 15

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

MCQ▾

Question

B2H6+NaHX, What is X and it is used as?

Choices

Choice (4) Response
a.

Organic agent

b.

Oxidizing agent

c.

Reducing agent

d.

Inorganic agent

Question number: 16

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

MCQ▾

Question

Aqueous solution of borax acts as a buffer because?

Choices

Choice (4) Response
a.

It contains weak acid and its salt with strong base

b.

It contains number of neutral water molecules

c.

It contains tribasic acid and strong base

d. Question does not provide sufficient data or is vague

Question number: 17

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

MCQ▾

Question

Which of the following compounds is formed is formed when boron trichloride is treated with water?

Choices

Choice (4) Response
a.

B2O3+HCl

b.

B2H6+HCl

c.

H3BO3+HCl

d. None of the above

Question number: 18

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

MCQ▾

Question

The chief impurity present in red bauxite is?

Choices

Choice (4) Response
a.

NaF

b.

Fe2O3

c.

SiO2

d.

K2SO4

Question number: 19

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

MCQ▾

Question

Orthoboric acid behaves as weak monobasic acid giving H3O+ and?

Choices

Choice (4) Response
a.

H2BO2

b.

H2BO2+

c.

[B(OH)4]

d.

[B(OH)4]+

Question number: 20

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

MCQ▾

Question

A mixture of ethyl alcohol and boric acid burns with green edged flame due to the formation of?

Choices

Choice (4) Response
a.

B(OH)3

b. B2O3
c.

H3BO3

d.

B(OC2H5)3

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