Tag: p- block elements-ii
Questions Related to p- block elements-ii
Appearance | Reaction with dilute $HCl$ | Reaction with dilute $HNO _3$ | |
---|---|---|---|
Unknown metal #1 | Dull gray solid with white oxide coating | Dissolved with bubbles of clear gas | Dissolved with bubbles of clear gas |
Unknown metal #2 | Solid; lustrous, smooth silver-gray surface | No reaction | Dissolved with bubbles of orange gas |
Appearance | Reactions with dilute$HCl$ | Reaction with Dilute$HNO _3$ | |
---|---|---|---|
Unknown metal 1 | Dull grey solid with white oxide coating | Dissolved with bubbles of clear gas | Dissolved with bubbles of clear gas |
Unknown metal 2 | Solid, lustrous, smooth silver-grey surface | No reaction | Dissolved with bubbles of orange gas |
Identify the gas(transparent) produced with the addition of dilute $HCl$ to unknown metal 1.
The concentrated $HCl$ acid strongly fumes in_________.
All metals on reaction with $HCl$ liberate $H _{2}$ gas.
The boiling point of the hydrochloric acid varies with its concentration.
Which of the following statements is wrong?
Nitrogen forms stable $N _{2}$ molecule but phosphorus is converted to $P _{4}$ from $P _{2}$ because:
Which of the following mlecular $P\pi -P\pi $ bond?
Which of the following molecules is having $2p\pi -3d\pi $ bond?
Correct order of nucleophilicity?