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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 />

xt<br />

C n H 2n+2 o C m H 2m + C q H 2q+2<br />

t<br />

– qH 2q+2 là H 2<br />

– mH 2m ) và ankan (C q H 2q+2 ),<br />

VD:<br />

CH 2 —CH—CH 3<br />

H<br />

H<br />

xt<br />

o<br />

t<br />

CH 2 =CH—CH 3 + H 2<br />

(2) Cracking<br />

xt<br />

CH 2 —CH 2 o CH 2 =CH 2 + CH<br />

t<br />

4<br />

H CH 3<br />

o<br />

o<br />

1500 C<br />

2CH 4 lµm l¹nh nhanh<br />

C 2 H 2 + 3H 2<br />

E<br />

phân butan sau<br />

A + H 2<br />

xt, t<br />

C 4 H o<br />

10 B + C 2 H 4<br />

C + C 3 H 6<br />

F o CH 4 + C 3 H 6<br />

xt<br />

t<br />

A) CH 3 CH 2 CH 3 . B) CH 3 –CH=CH 2 .<br />

C) CH 3 –CH=CH–CH 3 . D) CH 3 CH 2 CH 2 CH 3 .<br />

G 2O 3<br />

C 4 H 8<br />

A) C 4 H 8 + H 2 C 4 H 10 . B) 2C 4 H 10 C 4 H 8 + C 6 H 12 .<br />

C) C 4 H 10 C 4 H 8 + H 2 . D) C 4 H 8 + C 4 H 8 C 4 H 10 + C 4 H 6 .<br />

4<br />

39

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