MCQ
In Daniell cell, electrons flow from:
- ACcathode to anode.
- BCanode to cathode.
- CCopper to zinc.
- D$\text{SO}^-_2$ to $\text{Cu}^{2+}$
Explanation:
In Daniell cell, electrons flow from anode to cathode and current flows from cathode to anode.
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(Given : Atomic Number: F :9, $Cl : 17, Na =11$, $Mg =12, Al =13, K =19, Ca =20, Sc =21$ )
$L(1s^2, 2s^2 2p^4); Q(1s^2, 2s^2 2p^6, 3s^2 3p^5)$
$P(1s^2, 2s^2 2p^6, 3s^1); R(1s^2, 2s^2 2p^6, 3s^2)$
The formulae of ionic compounds that can be formed between these elements are
$A_2(g) + 2B(g) \rightleftharpoons C(g) + Q\, kJ$ would be higher at