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Exam 2023 Chemistry question bank (Chemistry)

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Q1.

The correct option for the above reaction is

figure

(A)
$X = CH_3COCH_2Br, Y = CHBr_3, Z = CH_3CO_2Na$
(B)
$X = CH_3COCBr_3, Y = CHBr_3, Z = CH_3CO_2Na$
(C)
$X = CH_3COCH_2Br, Y = CHBr_3, Z = CH_2BrCO_2Na$
(D)
$X = CH_2BrCOCH_2Br, Y = CHBr_3, Z = CH_2BrCO_2Na$
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Q2.

What are '$X$' and '$Y$' respectively in the following reactions?
$C_6H_5CHO + C_6H_5COCH_3$ $\xrightarrow[293 \ K]{OH^{-}} \underset{\text{major}}{X}$ $\xrightarrow{NaBH_4} Y$

(A)
$C_6H_5COCH=C(CH_3)C_6H_5, C_6H_5CH_2CH_2COC_6H_5$
(B)
$C_6H_5COCH=C(CH_3)C_6H_5, C_6H_5=CHCH(OH)C_6H_5$
(C)
$C_6H_5CH=CHCOC_6H_5, C_6H_5CH=CHCH(OH)C_6H_5$
(D)
$C_6H_5CH=CHCOC_6H_5, C_6H_5CH_2CH_2COC_6H_5$
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