NEET (NTA)-National Eligibility cum Entrance Test (Medical) Chemistry: Questions 179 - 185 of 1259

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Question number: 179

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

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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.

measuring the concentration of cyanide ion

b.

estimating the concentration of iron

c.

measuring the solid state magnetic moment

d.

thermally decomposing the compound

Question number: 180

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

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Question

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

Choices

Choice (4)Response

a.

acidified solution of

b.

c.

d.

alkaline solution of

Question number: 181

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

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Question

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

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 182

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

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MCQ▾

Question

Sugar in urine –sample can be detected by?

Choices

Choice (4)Response

a.

Tollen’s solution

b.

Benedict’s solution

c.

Fehling’s solution

d.

All a. , b. and c. are correct

Question number: 183

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

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Question

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

Choices

Choice (4)Response

a.

zinc

b.

silver

c.

gold

d.

mercury

Question number: 184

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

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Question

Which of the following pairs of ions is colourless?

Choices

Choice (4)Response

a.

b.

c.

d.

Question number: 185

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

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MCQ▾

Question

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

Choices

Choice (4)Response

a.

Cr +3

b.

V +3

c.

Fe +3

d.

Ti +3

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