Question

2. If a hydrocarbon has 4 carbons, what is the first part of its name? 3. If a hydrocarbon has 7 carbons, what is the first part of its name? 4. If a hydrocarbon has 3 carbons, what is the first part of its name? 5. If an alkane has 1 carbon, how many hydrogens does it have? 6. If an alkane has 152 carbons, how many hydrogens does it have? 7. If an alkane has 27 carbons, how many hydrogens does it have? 8. If an alkane has 14 carbons, how many hydrogens does it have? 9. Name the following alkanes. 11 . CH CH CH CH.CH KOHOKOH OK CH CH.CH ---1-1-1-114- CH,CH,CH.CH,CH.CH,

Answer 1

2% 4 caebon Butane 3 7 caebon s Heptane 43 3 cabbon o peopane 51 carbon ou kane f bydergen 4 Hydrogen [CH] If an alkane has 152 caebons I en Hanta - This is the genesal foemula of alkane 1 C152 H2115272) n= no. of caebon atom The answeε = so the (2x0) + 2 is 1306 Hyde ogen 77 If an balkone has a7 caebong cn Hanta i C.az H2127) + 2 C27 456 The H56 The 56 Hydrogen in the 27 caEboral 8) 14 coebon celkane Con Hanta = Clu Hoa14) + 2 = Ciy Hoo Theis is ao Hydrogen in the ci4 carbon alkona

h 4 4 4 4-C-c-cc-ch H h n Jethane n n 5 m /pentane 2 caebon ethane 4. 3 H-c-4 traebon methane methane c-c-c-c-c-c-4 T J h n n hy n Thexane a co 6 Case bexor 5 4-C-C-C-C-4 h 4 4 4 Butane 6. CH₂ - CH2 - CH2 - CH2 CH2 pentane 5 caebon is called pentane 4 caebon Butane 8 Ť CH3-CH 2 -CH3 (propane 3 carbon propane 4 4 4 4 4 4 4 C8H18 octane 8 caebon is called octane 8-c-c-c-c-c-c-c- ċ-h 90 hech -CHO-CH C- CH2 - CH2 - CH2 Chach ch ch hexane Scarbon foctane