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प्रश्न
What is the action of Magnesium on bismuth.
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उत्तर
\[\ce{2 Bi + 3 Mg -> Mg3 Bi2}\]
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संबंधित प्रश्न
Write four points of differences between properties of nitrogen and other elements of group 15.
The element that does NOT exhibit allotropy is
- As
- Sb
- Bi
- N
Explain how does nitrogen exhibit anomalous behaviour amongst group 15 elements.
Account for the following:
N2 is less reactive at room temperature.
Why does R3P=O exist but R3N=O does not (R = alkyl group)?
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 :
N − N single bond is weaker than P − P single bond.
Give a reason for the following:
E° value for (Mn2+|Mn) is negative whereas for (Cu2+|Cu) is positive.
Account for the following :
Acidic character decreases from N2O3 to Bi2O3 in group 15.
Elements having +5 oxidation state is ____________.
The most common oxidation states of nitrogen are ____________.
In which of the following compound, nitrogen shows the oxidation state of +5?
Collectively the elements of group 15 are called:
Which of the following has the highest pπ–pπ bonding tendency?
The correct decreasing order of basic strength is:
The p-block element of group 15 that forms predominantly basic oxide is _____________.
The correct order of increasing oxidising power is:
Among the following, which one is a wrong statement.
The correct order of oxidising power is:
Which of the following statements is true?
Assertion: N2 is less reactive than P4.
Reason: Nitrogen has more electron gain enthalpy than phosphorus.
Account for the following:
Zinc is a comparatively a soft metal, iron and chromium are typically hard.
Hess's law is used to calculate:
The elements with atomic numbers 9, 17, 35, 53 and 85 belong to
Basicity of ortho phosphoric acid is:-
In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?
Which acid of the following pair would you expect to be stronger?
F−CH2−COOH or CH3−COOH
A group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is ______.
