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प्रश्न
Show with the help of diagram of electronic configuration how the following compound is formed from the constituent atoms.
Hydrogen chloride
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उत्तर
Step 1: Write the symbols of the radicals.
H Cl
Step 2: Write the valency below the respective radical.
H Cl
1 1
Step 3: Cross-multiply symbols of radicals with their respective valency.
Step 4: Write down the chemical formula of the compound.
संबंधित प्रश्न
FILL IN THE BLANK
A .............. change is a temporary change.
Complete the statement by filling the gaps using appropriate term from the terms given in the bracket.
(slow, coloured, arrow, fast, smell, milky, physical, product, chemical, reactant, covalent, ionic, octet, duplet, exchange, sharing, equality sign)
A colourless solution of calcium hydroxide in a test tube turns ______ on blowing in it through a blow tube for some time.
Give one example electrochemical reaction.
Name: Gas with rotten egg smell.
Give a chemical test to distinguish between the following gases.
HCl and H2S
Match the chemical reactions in List I with the appropriate answer in List II.
| List I | List II | ||
| 1. | \[\ce{XY⇌[heat]X + Y}\] | A: | Displacement reaction |
| 2. | \[\ce{XY->X + Y}\] | B: | Double decomposition |
| 3. | \[\ce{X+Y- + A+B^-->X+B- + A+Y-}\] | C: | Endothermic reaction |
| 4. | \[\ce{X + YZ->XZ + Y}\] | D: | Thermal dissociation |
| 5. | \[\ce{X + Y->[heat]XY -\Delta}\] | E: | Decomposition reaction |
Give a balanced equation for a reaction involving the evolution of gas on the addition of dilute acid to calcium carbonate.
Silver articles turning black: ______:: Boiling of H2O: physical change ______.
______ change results in the change of the substance.
Rusting of iron is ______.
