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प्रश्न
What is the action of sodium on arsenic.
उत्तर
\[\ce{3 NA + AS -> Na3AS}\]
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संबंधित प्रश्न
Write four points of differences between properties of nitrogen and other elements of group 15.
Explain how does nitrogen exhibit anomalous behaviour amongst group 15 elements.
Account for the following:
N2 is less reactive at room temperature.
Discuss the trends in chemical reactivity of group 15 elements.
Nitrogen exists as diatomic molecule and phosphorus as P4. Why?
Arrange the following in the increasing order of property mentioned :
NH3, PH3, AsH3, SbH3, BiH3 (Base strength)
Account for the following :
Reducing character decreases from SO2 to TeO2
Account for the following :
Acidic character decreases from N2O3 to Bi2O3 in group 15.
The element which forms oxides in all oxidation states varying from +1 to +5 is ____________.
Which one of the following elements is most metallic?
The p-block element of group 15 that forms predominantly basic oxide is _____________.
Elements of group-15 form compounds in +5 oxidation state. However, bismuth forms only one well-characterised compound in +5 oxidation state. The compound is ______.
Which of the following is the strongest reducing agent?
The ion or group detected by K2[HgI4] is ____________.
Among the following, which one is a wrong statement.
Assertion: N2 is less reactive than P4.
Reason: Nitrogen has more electron gain enthalpy than phosphorus.
What is the oxidation state of nitrogen atom in hydrazine, N2H4?
The electronic configuration of Cu (atomic number 29) is
Hess's law is used to calculate:
Given below are two statements, one is labelled as Assertion (A) and the other is labelled as Reason (R):
Assertion: Smaller the size of an atom greater is the electronegativity.
Reason: Electronegativity refers to the tendency of atom to share electrons with other atom.
The basic strengths of the hydrides group is elements decrease in the order.
When a colourless gas is passed through bromine water it decolorise, The gas is:-
The element With maximum ionisation potential is
The decreasing order of the boiling points of the following hydrides is ______.
In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
Chemical nature of the nitrogen oxide compound obtained from a reaction of concentrated nitric acid and P4O10 (in 4 : 1 ratio) is ______.
