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BÀI TẬP TRẮC NGHIỆM HÓA HỮU CƠ CẨM NANG DÙNG LUYỆN THI THPTQG CHẤT LƯỢNG CAO (COLOR BOOK)

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Chú ý<br />

R 2O/NH 3 ?<br />

A) Ancol etylic. B) Etilen glicol.<br />

C) Axetilen. D)<br />

S<br />

AgNO 3 (hay Ag 2 3 ?<br />

A)<br />

B)<br />

C)<br />

D)<br />

T 3 2O) trong<br />

3 là<br />

A) –1–in, etilen.<br />

B) –2–in.<br />

C) axit fomic, vinylaxetilen, propin.<br />

D)<br />

U<br />

CaC H 2<br />

2 O A 2<br />

2<br />

HBr ®Æc<br />

NaOH<br />

o B C D E<br />

CuO<br />

Pd/PbCO 3 ,t<br />

2<br />

E o F o G<br />

t<br />

Ag O<br />

NH 3 ,t<br />

H<br />

H O<br />

H<br />

– 4.<br />

–<br />

RCHO + Br 2 + H 2 O RCOOH + 2HBr.<br />

– 2<br />

RCHO + 2Cu(OH) 2<br />

OH<br />

o<br />

t<br />

RCOOH + Cu 2 O + 2H 2 O<br />

V<br />

(a) CH 3 CHO + Br 2 + H 2 O<br />

(b) CH 2 =CH–CHO + Br 2 + H 2 O<br />

(c) C 6 H 5 CHO + Br 2 + H 2 O<br />

(d) HCHO + Br 2 + H 2 O<br />

8<br />

149

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