Advertisements
Advertisements
प्रश्न
Among the hydrides of Group-15 elements, which have the lowest boiling point?
Advertisements
उत्तर
The boiling point of group 15 hydrides decreases from ammonia to phosphine and then increases from phosphine to bismuth hydride. Hence, PH3 will have the lowest boiling point
APPEARS IN
संबंधित प्रश्न
Nitrogen does not form pentahalide.
Account for the following
The enthalpy of atomisation is lowest for Zn in 3d series of the transition elements.
The most common oxidation states of nitrogen are ____________.
The element which forms oxides in all oxidation states varying from +1 to +5 is ____________.
The p-block element of group 15 that forms predominantly basic oxide is _____________.
If chlorine gas is passed through hot NaOH solution, two changes are observed in the oxidation number of chlorine during the reaction. These are :
(i) 0 to +5
(ii) 0 to +3
(iii) 0 to –1
(iv) 0 to +1
Match the species given in Column I with the shape given in Column II and mark the correct option.
| Column I | Column II |
| (A) \[\ce{SF4}\] | (1) Tetrahedral |
| (B) \[\ce{BrF2}\] | (2) Pyramidal |
| (C) \[\ce{BrO^{-}3}\] | (3) Sea-saw shaped |
| (D) \[\ce{NH^{+}4}\] | (4) Bent T-shaped |
Which of the following pairs will have same chemical properties?
The basic strengths of the hydrides group is elements decrease in the order.
The element With maximum ionisation potential is
