Engineer & Medical

Exam 2005 Chemistry question bank (Chemistry)

Practice 156 free Engineer & Medical Chemistry - Exam 2005 Chemistry questions with answers and step-by-step solutions.

Q1.

$3$-hydroxybutanal is formed when $(X)$ reacts with $(Y)$ in dilute $(Z)$ solution. What are $X, Y$ and $Z$?

(A)
$CH_3CHO, (CH_3)_2CO, NaOH$
(B)
$CH_3CHO, CH_3CHO, NaCl$
(C)
$(CH_3)_2CO, (CH_3)_2CO, HCl$
(D)
$CH_3CHO, CH_3CHO, NaOH$
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Q2.

$3$-hydroxybutanal is formed when $(X)$ reacts with $(Y)$ in a dilute $(Z)$ solution. What are $X, Y$ and $Z$?

(A)
$CH_3CHO, CH_3COCH_3, NaOH$
(B)
$CH_3CHO, CH_3CHO, NaCl$
(C)
$CH_3COCH_3, CH_3COCH_3, HCl$
(D)
$CH_3CHO, CH_3CHO, NaOH$
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