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प्रश्न
What is the action of sodium on arsenic.
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उत्तर
\[\ce{3 NA + AS -> Na3AS}\]
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संबंधित प्रश्न
Explain how does nitrogen exhibit anomalous behaviour amongst group 15 elements.
Nitrogen does not form pentahalide.
Considering the parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration enthalpy, compare the oxidising power of F2 and Cl2.
Discuss the trends in chemical reactivity of group 15 elements.
Why does R3P=O exist but R3N=O does not (R = alkyl group)?
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)
The oxidation state of nitrogen in dinitrogen trioxide is ____
(a) + 1
(b) + 2
(c) + 3
(d) + 4
Give reasons H3PO3 undergoes disproportionation reaction but H3PO4 does not.
Account for the following :
Reducing character decreases from SO2 to TeO2
Account for the following
The enthalpy of atomisation is lowest for Zn in 3d series of the transition elements.
Account for the following
Bi(V) is a stronger oxidizing agent than Sb(V).
What is the action of Magnesium on bismuth.
The strongest oxidising agent is ____________.
Collectively the elements of group 15 are called:
The correct decreasing order of basic strength is:
Which of the following trihalide is unstable?
The correct order of oxidising power is:
Which of the following has highest ionisation enthalpy?
Which of the following statements is wrong?
Which of the following orders are correct as per the properties mentioned against each?
| (i) | \[\ce{As2O3 < SiO2 < P2O3 < SO2}\] | Acid strength. |
| (ii) | \[\ce{AsH3 < PH3 < NH3}\] | Enthalpy of vapourisation. |
| (iii) | \[\ce{S < O < Cl < F}\] | More negative electron gain enthalpy. |
| (iv) | \[\ce{H2O > H2S > H2Se > H2Te}\] | Thermal stability. |
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:
P4O10 is an anhydride of
The element With maximum ionisation potential is
The decreasing order of the boiling points of the following hydrides is ______.
A group 15 element, which is a metal and forms a hydride with strongest reducing power among group 15 hydrides. The element is ______.
