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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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3<br />

4<br />

•<br />

C=O thành CH<br />

2<br />

2 o RCH 2 OH.<br />

2<br />

Xeton + H 2 2CO o R 2 CHOH.<br />

2<br />

VD7: CH 3 CHO + H 2 o CH 3 CH 2 OH.<br />

H<br />

Ni,t<br />

H<br />

Ni,t<br />

H<br />

Ni,t<br />

(CH 3 ) 2 CO + H 2<br />

H2<br />

o<br />

Ni,t<br />

(CH 3 ) 2 CHOH.<br />

• 2O: 2<br />

•<br />

–OH và –<br />

C=O + HCN C OH<br />

CN<br />

VD8: CH 3 CHO + HCN CH 3 CH(OH)CN.<br />

OH<br />

(CH 3 ) 2 CO + HCN CH 3 —C—CH 3<br />

CN<br />

I<br />

(a) HCHO + H 2<br />

(b) CH 3 CHO + H 2<br />

(c) HOC–CHO + H 2<br />

(d) CH 2 =CH–CHO + H 2<br />

Ni<br />

o<br />

t<br />

Ni<br />

o<br />

t<br />

(e) HOC–CH=CH–CHO + H 2<br />

Ni<br />

o<br />

t<br />

Ni<br />

o<br />

t<br />

Ni<br />

o<br />

t<br />

5<br />

146

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