Advertisements
Advertisements
Question
What is the action of selenium on magnesium metal?
Advertisements
Solution
\[\ce{Mg + Se -> \underset{(Magnesium selenide)}{MgSe}}\]
Magnesium selenide is formed when selenium reacts with magnesium metal.
APPEARS IN
RELATED QUESTIONS
Select appropriate answers for the following.
Chlorine reacts with excess of fluorine to form _______.
In interhalogen compounds, which of the following halogens is never the central atom?
Select appropriate answers for the following.
Among the known interhalogen compounds, the maximum number of atoms is _______.
Answer the following.
Write the order of the thermal stability of the hydrides of group 16 elements.
Answer the following.
What is the oxidation state of Te in TeO3?
Give two uses of ClO2.
Write the names of allotropic forms of selenium.
The pKa value of HCl is −7.0 and that of HI is −10.0. Which is the stronger acid?
Complete the following.
Cl2 + ClF3 → _______
Complete the following.
\[\ce{XeOF4 + H2O -> \underline{}\underline{}\underline{}\underline{} + HF}\]
Answer the following.
Give two reactions showing the oxidising property of concentrated H2SO4.
Answer the following.
Distinguish between rhombic sulfur and monoclinic sulfur.
Identify the properties of group 17 elements that show decreasing trend down the group.
i. Atomic radius
ii. Ionisation enthalpy
iii. Electronegativity
Which one of the following ions has same number of unpaired electrons as those present in V3+ ion?
Which of the following is INCORRECT with respect to given reaction?
\[\ce{C6H12O6 + 6O2 -> 6CO2 + 6H2O}\]
What is the highest oxidation state possessed by phosphorus in it's oxyacids?
The oxidation state of sulphur in H2S2O7 is ______.
Which of the following metal halide is more covalent?
Which is the lowest oxidation state possessed by chlorine in it's oxyacids?
Arrange the following in the increasing order of their acidic strength.
Which of the following oxyacid of chlorine is thermally least stable?
The maximum positive oxidation state shown by halogen is ______.
The most stable +2 oxidation state is exhibited by ______.
Which among the following compounds does not act as reducing agent?
Among the trihalides of nitrogen which one is the most basic?
Among the following order, which one is the correct order of reactivity of group 16 elements?
Consider the following reaction.
I. \[\ce{Na2B4O7 ->[760° C] {...A...} + B2O3}\]
II. \[\ce{Si + KOH + H2O ->{...B...} + H2\uparrow}\]
III. \[\ce{P2O5 + HNO3 -> HPO3 + {...C...}}\]
IV. \[\ce{NH3 + Cl2(excess) -> {...D...} + HCl}\]
Identify the missing products of the given reactions.
Arrange the halogen acids in the decreasing order of acidic strength.
What is the action of hydrochloric acid on the following?
NH3
