P-Block Elements Group 13 to 18 (NEET Chemistry): Questions 74 - 79 of 100

Get 1 year subscription: Access detailed explanations (illustrated with images and videos) to 1145 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: 74

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

When chlorine water is added to an aqueous solution of sodium halide in the presence of chloroform, a violet coloration is obtained. When more of chlorine water is added, the violet coloration disappears and solution becomes colorless. This confirms that sodium halide is?

Choices

Choice (4) Response

a.

chlorine

b.

Iodide

c.

fluoride

d.

Bromide

Question number: 75

» P-Block Elements Group 13 to 18 » Group 17 » Hydrogen Halides

MCQ▾

Question

The substance, which is solid at room temperature, forms ionic compounds and reacts with hydrogen forming a hydride, the aqueous solution of which is acidic, may be?

Choices

Choice (4) Response

a.

Br2

b.

Al

c.

Na

d.

I2

Question number: 76

» P-Block Elements Group 13 to 18 » Group 17 » Oxides and Oxoacids of Halogens

MCQ▾

Question

Which one of the following statement is correct?

Choices

Choice (4) Response

a.

ClO2 and Cl2O are used as bleaching agents and as germicides

b.

ClO2 is the anhydride of HClO2 and HClO3

c.

I2O5 is used in the quantitative estimation of CO

d.

All a. , b. and c. are correct

Question number: 77

» P-Block Elements Group 13 to 18 » Group 18 » Oxides of Xenon

MCQ▾

Question

Equation

Choices

Choice (4) Response

a.

Equation

b.

Equation

c.

Equation

d.

Equation

Question number: 78

» P-Block Elements Group 13 to 18 » Group 16 » Ozone

MCQ▾

Question

Which one of the following is formed when ozone is reacted with potassium hydroxide?

Choices

Choice (4) Response

a.

KO3

b.

K2O3

c.

KO2

d.

H2O2

Question number: 79

» P-Block Elements Group 13 to 18 » Group 16 » Structures of Oxoacids of Sulphur

MCQ▾

Question

The structure of sulphurous acid is?

Choices

Choice (4) Response

a.

Tetrahedral

b.

Sqaureplanar

c.

Angular

d.

Pyramidal

f Page
Sign In