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 |
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 |
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. |
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 |
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 |