NEET Chemistry: Questions 169 - 174 of 677

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Question number: 169

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

MCQ▾

Question

The general electronic configuration of transition elements is?

Choices

Choice (4) Response
a.

(n1)d15ns1

b.

(n1)d110ns1

c.

(n1)d15

d.

(n1)d110ns1or2

Question number: 170

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

MCQ▾

Question

For the four successive transition elements (Cr, Mn, Fe, Co), the stability of + 2 oxidation state will be there in which of the following order?

Choices

Choice (4) Response
a.

Fe>Mn>Co>Cr

b.

Co>Mn>Fe>Cr

c.

Mn>Fe>Cr>Co

d.

Cr>Mn>Co>Fe

Question number: 171

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

MCQ▾

Question

Which of the following transition metal oxide is known as philosopher’s wool?

Choices

Choice (4) Response
a.

CaO

b.

CuO

c.

ZnO

d.

HgO

Question number: 172

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

MCQ▾

Question

In potassium dichromate each chromium is linked to?

Choices

Choice (4) Response
a.

Four O- atoms

b.

Five O-atoms

c.

Three O- atoms

d.

Two O-atoms

Question number: 173

» D and F Block Elements » Transition Elements » General Introduction

MCQ▾

Question

Brass, bronze and German silver have one metal in common, the metal is?

Choices

Choice (4) Response
a.

Fe

b.

Zn

c.

Cu

d.

Al

Question number: 174

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

MCQ▾

Question

Actinides have little higher tendency to form complex compounds than lanthanides, why?

Choices

Choice (4) Response
a.

due to their higher charge and smaller size

b.

due to their smaller charge and large size

c.

due to their electropositive nature

d.

due to actinides are radioactive elements

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