D and F Block Elements-Transition Elements [JEE (Based on NTA Guidelines-IIT Engg.) Advanced Chemistry]: Questions 1 - 5 of 5

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Question 1

Appeared in Year: 2015

Question MCQ▾

The color of is due to: (IIT JEE)

Choices

Choice (4)Response

a.

Charge transfer transition

b.

Transition

c.

Charge transfer transition

d.

Transition

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Question 2

Question MCQ▾

Oxygen is prepared in the laboratory by

Choices

Choice (4)Response

a.

Heating potassium chloride

b.

Heating potassium permanganate

c.

Heating non – metallic oxides

d.

Heating potassium oxalate

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Question 3

Appeared in Year: 2015

Question MCQ▾

The oxidizing power of and follows the order. (CSIR)

Choices

Choice (4)Response

a.

b.

c.

d.

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Question 4

Question MCQ▾

Which of the following combination will produce gas?

1 metal and in the following presence of air

2. metal and

3. metal and conc

4. Metal and conc

Choices

Choice (4)Response

a.

4

b.

3

c.

2

d.

1

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Question 5

Appeared in Year: 2020

Question MCQ▾

A colorless aqueous solution contains nitrates of two metals, X and Y. When it was added to an aqueous solution of NaCl, a white precipitate was formed. This precipitate was found to be partly soluble in hot water to give a residue P and a solution Q. The residue P was soluble in aqueous NH3 and also in excess sodium thiosulfate. The hot solution Q gave a yellow precipitate with KI. The metals X and Y, respectively are

Choices

Choice (4)Response

a.

Cd and Pb

b.

d and Zn

c.

Ag and Cd

d.

Ag and Pb

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