Question
Explain Heisenberg's uncertainty principle and also explain its importance.
✓
Answer
SELF
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Write short note on ionisation constant and ionic product of water.
What will be the work done on an ideal gas enclosed in a cylinder, when it is compressed by a constant external pressure, pext in a single step as shown in Fig. Explain graphically.
Explain with reasons the increasing order of energy of different orbitals in multielectron atoms.
Write the expression for the equilibrium constant, $K _{ C }$ for each of the following reactions:
a. $2 NOCl ( g ) \rightleftharpoons 2 NO ( g )+ Cl _2(g)$
b. $2 Cu \left( NO _3\right)_2(s) \rightleftharpoons 2 CuO ( s )+4 NO _2(g)+ O _2(g)$
c. $CH _3 COOC _2 H _5( aq )+ H _2 O ( l ) \rightleftharpoons CH _3 COOH ( aq )+ C _2 H _5 OH ( aq )$
d. $Fe ^{3+}( aq )+3 OH ^{-}( aq ) \rightleftharpoons Fe ( OH )_3(s)$
e. $I _2(s)+5 F_2 \rightleftharpoons 2 IF _5$
→a. $2 NOCl ( g ) \rightleftharpoons 2 NO ( g )+ Cl _2(g)$
b. $2 Cu \left( NO _3\right)_2(s) \rightleftharpoons 2 CuO ( s )+4 NO _2(g)+ O _2(g)$
c. $CH _3 COOC _2 H _5( aq )+ H _2 O ( l ) \rightleftharpoons CH _3 COOH ( aq )+ C _2 H _5 OH ( aq )$
d. $Fe ^{3+}( aq )+3 OH ^{-}( aq ) \rightleftharpoons Fe ( OH )_3(s)$
e. $I _2(s)+5 F_2 \rightleftharpoons 2 IF _5$
In Ostwald’s process for the manufacture of nitric acid, the first step involves the oxidation of ammonia gas by oxygen gas to give nitric oxide gas and steam. What is the maximum weight of nitric oxide that can be obtained starting only with 10.00g of ammonia and 20.00g of oxygen?
Which of the following represents the correct IUPAC name for the compounds concerned?
- 2,2-Dimethylpentane or 2-Dimethylpentane.
- 2,4,7- Trimethyloctane or 2,5,7-Trimethyloctane.
- 2-Chloro-4-methylpentane or 4-Chloro-2-methylpentane.
- But-3-yn-1-ol or But-4-ol-1-yne.
1. Give IUPAC names of the following structures.
2. Benzoic acid is an organic compound. Its crude sample can be purified by crystallization from hot water. What characteristic differences in the properties of benzoic acid and the impurity make this process of purification suitable?
2. Benzoic acid is an organic compound. Its crude sample can be purified by crystallization from hot water. What characteristic differences in the properties of benzoic acid and the impurity make this process of purification suitable?
Sodium carbonate, Na2CO3 can be obtained by heating sodium hydrogen carbonate, NaHCO3 as 2NaHCO3(s) → Na2CO3(s) + H2O(g) + CO2(g).
The essential data are,
Calculate the temperature above which NaHCO3 decomposes to give products at 1 bar.
→The essential data are,
| | NaHCO3(s) | Na2CO3(s) | CO2(g) | H2O(g) |
| $\ \ \ \ \Delta_\text{f}\text{H}^\circ\$\text{kJ mol}^{-1})$ | -947.7 | -1130.9 | -393.51 | -241.82 |
| $\ \ \ \ \ \text{S}^\circ_\text{m}\$\text{J mol}^{-1})$ | 102.1 | 136 | 188.83 | 213.74 |
Match the species in Column I with the type of hybrid orbitals in Column II.
| Column I | | Column II | |
| i. | Tetrahedral | a. | sp2 |
| ii. | Trigonal | b. | sp |
| iii. | Linear | c. | sp3 |
What is mole concept? What is relation with molar mass of substance and number of molecule.