Download App

Electrochemistry — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryElectrochemistry2 Marks
Question
What is called electrochemical equivalent (Z)?
✓

Answer

The amount of substance deposited on the electrode when a current of one ampere is passed for one second (one coulomb charge) in solution of an electrolyte is called electro-chemical equivalent.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "2 Marks Questions" from Electrochemistry→Electrochemistry — all question types→Chemistry STD 12 Science question papers→Gujarat Board STD 12 Science question papers→Gujarat Board question paper generator→

Similar questions

Answer the following questions.
a-amino acids have relatively higher melting points than the corresponding halo acids. Explain.
→
Calculate the number of unpaired electrons in the following gaseous ions: Mn3+, Cr3+, V3+ and Ti3+. Which one of these is the most stable in aqueous solution?
→
The rate constant for the decomposition of ethyl iodide
C2H5l(g) → C2H4(g)+Hl(g)
at 600K is 1.60 × 10-5 s-1 . Its energy of activation is 209kJ/mol. Calculate the rate constant of the reaction at 700K.
→
Why are Mn2+ compounds more stable than Fe2+ towards oxidation to their +3 state?
→
Write the reactions involved in the following :
  1. Hell-Volhard Zelinsky reaction
  2. Decarboxylation reaction
→
Calculate the potential of hydrogen electrode in contact with a solution whose pH is 10.
→
How the following conversion can be carried out?
Aniline to chlorobenzene.
→
For the first order thermal decomposition reaction, following data were obtained:
C2H5Cl(g) $\xrightarrow{\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }\text{ }}$  C2H4(g) + HCl(g)
Time/sec   Total pressure/atm
0   0.30
300   0.50
Calculate the rate constant.
(Given : log 2 = 0.301, log 3 = 0.4771, log 4 = 0.6021)
→
Give the uses of freon 12, DDT, carbon tetrachloride and iodoform.
→
Give the structure of A, B and C in the following reaction:

$\text{CH}_3\text{CH}_2\text{I}\xrightarrow[]{\text{NaCN}}\text{A}\xrightarrow[\text{Partial hydolysis}]{\text{OH}^+}\text{B}\xrightarrow[]{\text{NaOH}+\text{Br}_2}\text{C}$

→