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Which of the following statement is corr...

Which of the following statement is correct in the context of a battery?

A

It is an electrochemical cell

B

It is used as a source of energy

C

The stored energy is released during the redox reaction

D

All of these

Text Solution

Verified by Experts

The correct Answer is:
D
We commonly use voltaic cells as convenient, portable source of energy. Any battery (actually it may have one or more than one cell connected in series) or cell that we use as a source of electrical energy is basically a galvanic cell where cell chemical energy of the redox reaction is converted into electrical energy.
However, for a battery to be of practical use it should be reasonably light, compact and its voltage should not very appreciably during its use.
There are mainly two types of batteries.
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Knowledge Check

  • Which of the following statements is correct in the context of the allene molecule, C_(3)H_(4) ?

    A
    The central carbon is sp hybridized
    B
    The terminal carbon atoms are `sp^(2)` hybridized
    C
    The planes containing the `CH_(2)` groups are mutually perpendicular to permit the formation of two separate `pi`-bonds.
    D
    All correct

  • Which of the following statements is correct in the context of the allene molecule, C_(3)H_(4) ?

    A
    The central carbon is sp hybridized
    B
    The terminal carbon atoms are `sp^(2)` hybridized
    C
    The planes containing the `CH_(2)` groups are mutually perpendicular to permit the formations two separate `pi-`bonds
    D
    All are correct

  • Which of the following statements is correct in the context of the allene molecule, C_(3)H_(4) ?

    A
    The central carbon is sp hybridized
    B
    The terminal carbon atoms are `sp^(2)` hybridized
    C
    The planes containing the `CH_(2)` groups are mutually perpendicular to permit the formations two separate `pi`-bonds
    D
    all are correct