NEET Chemistry: Questions 154 - 161 of 677

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Question number: 154

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

MCQ▾

Question

The metals present in insulin, hemoglobin and vitamin B 12 are respectively?

Choices

Choice (4) Response
a.

Zn, Fe, Co

b.

Zn, Hg, Cr

c.

Mg, Fe, Co

d.

Co, Fe, Zn

Question number: 155

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

MCQ▾

Question

Which of the following metal is lightest element in terms of density among transition elements?

Choices

Choice (4) Response
a.

Vanadium

b.

Osmium

c.

Cobalt

d.

Scandium

Question number: 156

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

MCQ▾

Question

What is magnetic moment of K3[FeF6] ?

Choices

Choice (4) Response
a.

4.89 B. M

b.

5.91 B. M

c.

6.98 B. M

d.

3.67 B. M

Question number: 157

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

MCQ▾

Question

Silver is refined by cupellation process. The process removes the impurity of?

Choices

Choice (4) Response
a.

Platinum

b.

Copper

c.

Lead

d.

Gold

Question number: 158

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

MCQ▾

Question

The oxidation state of chromium in the final product formed by the reaction between KI and acidified K2Cr2O7 solution is?

Choices

Choice (4) Response
a.

+4

b.

+6

c.

+2

d.

+3

Question number: 159

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

MCQ▾

Question

Malachite is mineral of?

Choices

Choice (4) Response
a.

magnesium

b.

Iron

c.

copper

d.

aluminium

Question number: 160

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

MCQ▾

Question

CuSO4+4NH4OHA+4H2O , what is A in this reaction?

Choices

Choice (4) Response
a.

Cu(NH3)4SO4

b.

Cu(NH3)3SO4

c.

Cu(NH3)2SO4

d.

Cu2(NH3)4SO4

Question number: 161

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

MCQ▾

Question

Which h of the following pair of metal ions shows abnormal electronic configuration?

Choices

Choice (4) Response
a.

Fe, V

b.

V, Mn

c.

Mn, Sc

d.

Cr, Cu

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