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Earn 100

Chlorine reacts with excess of ammonia to give:

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Important Questions on p- Block Elements

EASY
The most stable Lewis acid-base adduct among the following is
EASY
When copper is heated with conc. HNO3 it produces:
EASY
Iodine reacts with concentrated HNO3 to yield Y along with other products. The oxidation state of iodine in Y , is:
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The total number of compounds having at least one bridging oxo group among the molecules given below is
N2O5, P4O6, P4O8, H4P2O5, H5P3O10, H2S2O3, H2S2O5

EASY
Which of the following metals is used as a catalyst in Haber's process of ammonia synthesis?
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The pair that contains two P-H bonds in each of the oxoacids is:
EASY
Identify the correct statement from the statements given below.
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Among the oxides of nitrogen:

N2O3, N2O4 and N2O5; the molecule(s) having nitrogen - nitrogen bond is/are:
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The single largest industrial application of dihydrogen is:
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Excess of ammonia with sodium hypochlorite solution in the prescence of glue or gelatine gives:
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Strong reducing behaviour of H3PO2 is due to:
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Reaction of ammonia with excess Cl2 gives :

 

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Which of the following compounds has a P-P Bond?
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Good reducing nature of H3PO2 is attributed to the presence of:
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Among the following compounds, the one which does NOT produce nitrogen gas upon heating is
HARD
Consider the following compounds:

1. NH42Cr2O7

2. NH4NO2

3. NH4VO3

4. NH4NO3

Which compound(s) yield(s) nitrogen gas upon heating?
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Consider the following statements concerning N2H4:

(i) It is an exothermic compound.

(ii) It burns in air with the evolution of heat.

(iii) It has kinetic stability.

(iv) It reduces Fe3+ to Fe2+ in acidic medium.

Which of the following combinations is correct?
EASY
The product obtained as a result of a reaction of nitrogen with CaC2 is:
HARD
The ammonia NH3 released on quantitative reaction of 0.6 g urea NH2CONH2 with sodium hydroxide NaOH can be neutralized by