Which of the following metals does not react with water t...
Which of the following metals does not react with water to produce hydrogen?
Copper
Potassium
Sodium
Zinc
Correct answer is A
Most alkali metals and alkaline earth metals react with water to produce hydrogen. The alkali metals comprise Group 1 of the periodic table, and include lithium, sodium, potassium, etc.
- Zinc is not much reactive with cold or room temperature water but reacts with steam to form zinc oxide and liberate hydrogen gas.
- Copper lies below hydrogen in the activity series of metals, therefore it can not displace hydrogen from water
What is the atomic number of Rhenium? ...
Atoms are electrically neutral because they ...
The volume of a given gas is V cm3 P mm Hg. what is the new volume of the gas if...
Which of the following statements is not correct? The 4s orbital ...
Which of the following compounds reacts readily with sodium to liberate hydrogen? ...
Which of the following is NOT involved in the extraction of metals from their ores?...