NEET Chemistry: Questions 188 - 193 of 677

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Question number: 188

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

MCQ▾

Question

What is the Prussian blue coloured compound formed when ferric chloride is added to potassium ferro cyanide?

Choices

Choice (4) Response
a.

Fe4[Fe(CN)5]2

b.

Fe2[Fe(CN)6]3

c.

Fe2[Fe(CN)5]2

d.

Fe4[Fe(CN)6]3

Question number: 189

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

MCQ▾

Question

Bordeaux mixture is used as a fungicide. Its composition is?

Choices

Choice (4) Response
a.

CuO+CaO

b.

CuSO4+Ca(OH)2

c.

CuSO4+Cu(OH)2

d.

CuSO4+CaO

Question number: 190

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

MCQ▾

Question

Fe +2 is less stable than Fe +3 why?

Choices

Choice (4) Response
a.

Iron (II) has one orbital doubly occupied

b.

Due to iron (II) is unsymmetrical in nature

c.

Due to all the above reasons

d.

Iron (II) has four singly occupied orbitals

Question number: 191

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

MCQ▾

Question

Which of the following acid is used to maintain acidic medium in potassium permanganate?

Choices

Choice (4) Response
a.

HCl

b.

HNO3

c.

H2SO4

d.

HBr

Question number: 192

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

MCQ▾

Question

In permanganate ion, the manganese undergoes which of the following hybridization?

Choices

Choice (4) Response
a.

sp3d

b.

sp

c.

sp2

d.

sp3

Question number: 193

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

MCQ▾

Question

A blue colouration is not obtained when?

Choices

Choice (4) Response
a.

anhydrous copper sulphate is dissolved in water

b.

NH4OH is added to copper sulphate solution

c.

copper sulphate is added to K4Fe(CN)6 solution

d.

FeCl3 is added to K4Fe(CN)6 solution

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