Question
Explain the following items:
Avitaminosis.
Avitaminosis.
✓
Answer
Avitaminosis: Lack of more than one vitamin causes multiple deficiency diseases called avitaminosis.
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Using IUPAC norms write the formulae of the following:
(a) Tetrahydroxozincate(II)
(b) Potassium tetrachloridopadauate(II)
(c) Diaminedichloridoplatinum(II)
(d) Hexaammineplatinum (IV)
(e) Potassium tetracyanonickelate(II)
(f) Tetrabromidocuprate(II)
(g) Pentaamminenitrito-o-cobalt(III)
(h) Pentaamminenitrito-N-cobalt (III)
(a) Tetrahydroxozincate(II)
(b) Potassium tetrachloridopadauate(II)
(c) Diaminedichloridoplatinum(II)
(d) Hexaammineplatinum (IV)
(e) Potassium tetracyanonickelate(II)
(f) Tetrabromidocuprate(II)
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(h) Pentaamminenitrito-N-cobalt (III)
The ratio of amount of $Al , Cu$ and Na obtained at the cathode by passing 3 Faraday electric current in different electrolytic cell filled with aqueous solution of molten $AlCl _3, CuSO _4$ and molten NaCl . What be the ratio of amounts of $Al , Cu$ and Na ?
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Compound $'A\ ’$ with molecular formula $\ce{C_4H_9Br}$ is treated with aq. $\text{KOH}$ solution. The rate of this reaction depends upon the concentration of the compound $'A\ ’$ only. When another optically active isomer $'B’$ of this compound was treated with aq. $\text{KOH}$ solution, the rate of reaction was found to be dependent on concentration of compound and $\text{KOH}$ both.
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Match the reactions given in Column $I$ with the names given in Column $II.$
→| Column $I$ | Column $II$ | ||
| $(i)$ |  |
$(a)$ | Nucleophilic aromatic substitution |
| $(ii)$ | $\text{CH}_3-\text{CH}==\text{CH}_2+\text{HBr}\xrightarrow{ \ \ \ \ \ }\text{CH}_3-\text{CH}-\text{CH}_3\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ | \ \ \ \ \ \ \ \ \ \ \ \text{Br}$ | $(b)$ | Electrophilic aromatic substitution |
| $(iii)$ |  |
$(c)$ | Saytzeff elimination |
| $(iv)$ |  |
$(d)$ | Electrophilic addition |
| $(v)$ | $\text{CH}_3\text{CH}_2\text{CH}\text{CH}_3\xrightarrow{\text{alc.KOH}}\text{CH}_3\text{CH}==\text{CH}\text{CH}_3\ \ \ \ \ \ \ |\ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \ \text{Br}$ | $(e)$ | Nucleophilic substitution $(S_N1)$ |
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