NEET Chemistry: Questions 175 - 180 of 1110

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Question number: 175

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

MCQ▾

Question

The purest form of iron is?

Choices

Choice (4) Response

a.

steel

b.

pig iron

c.

wrought iron

d.

cast iron

Question number: 176

» D and F Block Elements » Transition Elements » Electronic Configuration

MCQ▾

Question

Which of the following transition metal has no electron in outer most orbital?

Choices

Choice (4) Response

a.

Mercury

b.

Manganese

c.

Palladium

d.

Molybdenum

Question number: 177

» D and F Block Elements » Transition Elements » Electronic Configuration

MCQ▾

Question

Among the following outermost configuration of transition metals, which shows the highest oxidation state?

Choices

Choice (4) Response

a.

3d5,4s1

b.

3d5,4s2

c.

3d6,4s2

d.

3d3,4s2

Question number: 178

» 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: 179

» D and F Block Elements » Inner Transition Elements » Lanthanides

MCQ▾

Question

In nitroprusside ion, the iron and NO exists as Fe +2 and NO + rather than Fe +3 and NO. These forms can be differentiated by?

Choices

Choice (4) Response

a.

estimating the concentration of iron

b.

measuring the concentration of cyanide ion

c.

thermally decomposing the compound

d.

measuring the solid state magnetic moment

Question number: 180

» 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

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