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question_answer1) Which of the following pairs of compounds can be used as starting material in the synthesis of 2-phenyl-2-pentanol?
question_answer2) Propene, \[C{{H}_{3}}-CH=C{{H}_{2}}\], can be converted to 1-propanol by oxidation. Which set of reagents among the following is ideal to effect the conversion?
question_answer3) What is the increasing order of solubility of the following in water?
question_answer4) In the reaction given below, \[cis\text{-}3\text{-}Hexene+C{{F}_{3}}C{{O}_{3}}H\to X\xrightarrow[{{H}_{2}}O]{{{H}_{2}}S{{O}_{4}}}Y\] The correct deduction concerning X and Y is
question_answer5) The most appropriate reagents that can bring about the following transformation is
question_answer6) In the above reaction the major product is shown which is formed through the intermediate (carbocation) given below: Which bond will migrate to form the above product?
question_answer7) Write the product of the following reaction
question_answer8) The correct order of acidic strength of the following alcohols is I. \[C{{H}_{3}}OH\] II. \[{{C}_{2}}{{H}_{5}}OH\] III. \[C{{H}_{3}}-CH(OH)-C{{H}_{3}}\] IV.
question_answer9) n-Propyl alcohol and isopropyl alcohol can be chemically distinguished by which reagent
question_answer10) Arrange the following alcohols in the increasing order o reactivity with HBr. (I) benzyl alcohol (II) p-methyl benzyl alcohol (III) p-nitrobenzyl alcohol (IV) p-chlorobenzyl alcohol
question_answer11) The product of the following reaction is:
question_answer12) In the following reaction swquence, Y is: \[PhOCOC{{H}_{3}}\xrightarrow[\Delta ]{AlC{{l}_{3}}}(X)\xrightarrow[NaOH]{{{I}_{2}}}(Y)\]
question_answer13)
question_answer14) \[p{{K}_{a}}\]value is greater for
question_answer15) Phenols generally remain unaffected by the action of \[NaB{{H}_{4}}/{{H}_{3}}{{O}^{+}}\] like 1, 3 and 1, 4-benzenediols, however 1, 3, 5-benzenetriol (phloroglucinol) gives a high yield of X in the reaction. The compound X is
question_answer16) Give the product (p) of the above reaction sequence:
question_answer17) \[A\xrightarrow[oneEq.ofC{{H}_{3}}l]{OH}{{C}_{9}}{{H}_{10}}{{O}_{3}}\xrightarrow{KMn{{O}_{4}}}{{C}_{9}}{{H}_{10}}{{O}_{4}}\] Starting substrate ?A? is
question_answer18) For the identification of \[\beta \]-naphthol using dye test, it is necessary to use
question_answer19) When phenol is reacted with \[CHC{{l}_{3}}\]and NaOH followed by acidification, salicylaldehyde is obtained. Which of the following species are involved in the above-mentioned reaction as intermediate?
question_answer20) The order of reactivity of the following alcohols towards cone. HCl is
question_answer21) An alcohol\[X({{C}_{7}}{{H}_{16}}O)\]gives immediate turbidity with HCl/\[ZnC{{l}_{2}}\] and can be resolved into enantiomers. Also X has tertiary hydrogen. How many \[C{{H}_{3}}\]- groups are present in X?
question_answer22) If a mixture of a 1-propanol and 2-butanol is heated with concentrated \[{{H}_{2}}S{{O}_{4}}\] at \[140{}^\circ c\], how many different ethers would be formed?
question_answer23) Find out the number of reagents that can be used for the following conversion,\[R-C{{H}_{2}}OH\xrightarrow{?}R-C{{H}_{2}}Cl\]from the following: \[HCl,ZnC{{l}_{2}},PC{{l}_{3}},PC{{l}_{5}},POC{{l}_{3}},SOC{{l}_{2}},NaCl,TsCl\]
question_answer24) The number of resonance structures for N is
question_answer25) The number of hydroxy1 group(s) in Q is
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