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प्रश्न
If HX is a weak acid, what particles will be present in its dilute solution apart from those of water?
उत्तर
Molecules of HX and H+ and X− ions.
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संबंधित प्रश्न
Name the following:
An alloy of lead and tin that is used in electrical circuits.
Molten lead bromide conducts electricity. It is called an ______. It is composed of lead ______ and bromide ______. The lead ions are ______ charged and are called ______. The bromide ______ are ______ charged and are called ______.
Choosing only words from the following list, write down the appropriate words to fill in the blanks (a) to (e) below:
anions, anode, cathode, cations, electrode, electrolyte, nickel, voltameter.
The electroplating of an article with nickel requires an (a) ______ which must be a solution containing (b) ______ ions. The article to be plated is placed as the (c) ______ of the cell in which the plating is carried out. The (d) ______ of the cell is made from pure nickel. The ions that are attracted to the negative electrode and discharged are called (e) ______.
Choose the correct words to fill in the blanks.
Cations are formed by _______ (loss/ gain) of electrons and anions are formed by ________( loss/gain) of electrons.
Study the diagram given alongside and answer the questions that follow :
(i) Give the names of the electrode A and B.
(ii) Which electrode is oxidizing electrode?
Aqueous solution of nickel sulphate contains \[\ce{Ni^{+2}}\] and \[\ce{SO^{-2}_{4}}\] ions.
- Which ion moves towards the cathode?
- What is the product at the anode?
Fill in the blank from the choices given below :
A molecule of _____ contains a triple bond.
M is a metal above hydrogen in the activity series and its oxide has the formula M2O. The oxide when dissolved in water forms the corresponding hydroxide which is a good conductor of electricity. In the above context answer the following:
- What kind of combination exists between M and O?
- How many electrons are there in the outermost shell of M?
- Name the group to which M belongs.
- State the reaction taking place at the cathode.
- Name the product at the anode.
State the observation at the anode and at the cathode during the electrolysis of :
Copper sulphate solution using copper electrodes.
Classify the following substance:
Carbon tetrachloride
