MCQ
The term vitamin was introduced by:
- ADr. Funk
- BDr Edwards
- CDr.Strepto
- DDr Indira Hinduja
Explanation:
The term vitamin was introduced by Dr. Casimir Funk.
He named nutritional parts of food as a "vitamine" after "vita" meaning life and "amine" from compounds found in the thiamine, he isolated from rice husks.
But later it was found that vitamin are not amines. Thus vitamin was later shortened to vitamin.
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$(A)$ The $M ^{3+} / M ^{2+}$ reduction potential for iron is greater than manganese
$(B)$ The higher oxidation states of first row $d$ block elements get stabilized by oxide ion.
$(C)$ Aqueous solution of $Cr ^{2+}$ can liberate hydrogen from dilute acid.
$(D)$ Magnetic moment of $V ^{2+}$ is observed between $4.4-5.2\,BM$
Choose the correct answer from the options given below:
Which is correct for above reaction
$\left[\right.$ Given $\left.: \log _{10} 2=0.301, \ln 10=2.303\right]$