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JEE CHEMISTRY MCQ: ORGANIC CHEMISTRY-SOME BASIC PRINCIPLES AND TECHNIQUES

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Arrange the Anions (p).CH3,  (q).NH2,  (r).OH,  (s).F−(\mathrm{p}). {CH}_3, \, \, (\mathrm{q}). {NH}_2, \, \, (\mathrm{r}). {OH}, \, \, (\mathrm{s}). {F}^{-} in decreasing order of their basic strength
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Correct option: A
p >> q >> r >> s
Option A (p >> q >> r >> s) is correct because the basic strength of anions is inversely proportional to the acidic strength of their conjugate acids. The conjugate acids are CH4CH_4, NH3NH_3, H2OH_2O, and HFHF, with increasing acidity, thus the basicity decreases in the order given.

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Keto-enol tautomerism is not observe in How many isomers of C5H11OH{C_5}{H_{11}}OH will be primary alcohols? Which statement is true? Common reactions of benzene and its derivatives are: How many structural formulae are possible for C5H11Cl?{\mathrm{C}_5}{\mathrm{H}_{11}}\mathrm{Cl}? Assertion (A): The compounds that have the same constitution and sequence of covalent bonds but differ in relative positions of their atoms or groups in space are called stereoisomers.

Reason (R): Stereoisomerism is a special type of isomerism which can be classified as geometrical and optical isomerism
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