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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
Nitrogen does not form pentahalide.
Give reasons for the following : (CH3)3 P = O exists but (CH3)3 N = O does not.
Why are pentahalides more covalent than trihalides?
Write main differences between the properties of white phosphorus and red phosphorus.
The group 15 element having inner electronic configuration as of argon is-
(a) Phosphorous (z = 15)
(b) Antimony (z =51)
(c) Arsenic (z = 33)
(d) Nitrogen (z = 7)
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
Write the structural difference between white phosphorus and red phosphorus.
Account for the following
Bi(V) is a stronger oxidizing agent than Sb(V).
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The most common oxidation states of nitrogen are ____________.
Which among the following forms basic oxide?
The tribasic acid is ____________.
The strongest oxidising agent is ____________.
Ionic radii (in Å) of As3+, Sb3+ and Bi3+ follow the order:
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Among the following, which one is a wrong statement.
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(i) It acts as bleaching agent in moist conditions.
(ii) It’s molecule has linear geometry.
(iii) It’s dilute solution is used as disinfectant.
(iv) It can be prepared by the reaction of dilute \[\ce{H2SO4}\] with metal sulphide.
In \[\ce{PCl5}\], phosphorus is in sp3d hybridised state but all its five bonds are not equivalent. Justify your answer with reason.
The enthalpy change of a reaction does not depends upon?
In which of the following compounds the metal is in lowest oxidation state?
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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.
P4O10 is an anhydride of
The decreasing order of the boiling points of the following hydrides is ______.
