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Aldehydes Ketones and Carboxylic Acids question

2021 · 25 Feb · Shift 1 · Q2
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  5. /2021 · 25 Feb · Shift 1 · Q2

Aldehydes Ketones and Carboxylic Acids question

2021 · 25 Feb · Shift 1 · Q2

JEE MainChemistryAldehydes Ketones and Carboxylic AcidsMCQ+4 / −1
Which one of the following reactions will not form acetaldehyde?
  1. A
    CH3CH2OH⟶573KCuC{H_3}C{H_2}OH\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{573K}^{Cu}}CH3​CH2​OH573K⟶Cu​
  2. B
    CH3CH2OH→CrO3−H2SO4C{H_3}C{H_2}OH\xrightarrow{Cr{O_3} - {H_2}S{O_4}}CH3​CH2​OHCrO3​−H2​SO4​​
  3. C
    CH2=CH2+O2⟶H2OPd(II)/Cu(II)C{H_2} = C{H_2} + {O_2}\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{{H_2}O}^{Pd(II)/Cu(II)}}CH2​=CH2​+O2​H2​O⟶Pd(II)/Cu(II)​
  4. D
    CH3CN⟶ii) H2Oi) DIBAL−HC{H_3}CN\mathrel{\mathop{\kern0pt\longrightarrow} \limits_{ii)\,{H_2}O}^{i)\,DIBAL - H}}CH3​CNii)H2​O⟶i)DIBAL−H​
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