D and F Block Elements-Transition Elements (NEET Chemistry): Questions 23 - 29 of 42

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Question number: 23

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which of the following compound is used for testing drunken persons?

Choices

Choice (4) Response

a.

Alkaline solution of KMnO4

b.

Acidified solution of KMnO4

c.

Alkaline solution of K2Cr2O7

d.

Acidified solution of K2Cr2O7

Question number: 24

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which of the following is known as Nesseler’s reagent?

Choices

Choice (4) Response

a.

acidified solution of K2HgI4

b.

KCl+HgI2

c.

alkaline solution of K2HgI4

d.

HgCl2+KI

Question number: 25

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

What is the formula of mercury compound which is known as vermilion used in cosmetics?

Choices

Choice (4) Response

a.

HgS

b.

HgI2

c.

HgCl2

d.

Hg2Cl2

Question number: 26

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Sugar in urine –sample can be detected by?

Choices

Choice (4) Response

a.

Tollen’s solution

b.

Fehling’s solution

c.

Benedict’s solution

d.

All a. , b. and c. are correct

Question number: 27

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which of the following transition metal gives chloroauric chloride with aquaregia?

Choices

Choice (4) Response

a.

zinc

b.

mercury

c.

gold

d.

silver

Question number: 28

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which of the following pairs of ions is colourless?

Choices

Choice (4) Response

a.

Co+2,Fe+3

b.

Sc+3,Zn+2

c.

Ni+2,V+3

d.

Ti+3,Cu+2

Question number: 29

» D and F Block Elements » Transition Elements » Trends in Properties

MCQ▾

Question

Which one of the following has a magnetic moment of 1.75 B. M?

Choices

Choice (4) Response

a.

Cr +3

b.

Ti +3

c.

Fe +3

d.

V +3

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