- Hcomb of CH4- C2H6 and C3H8 are -210- -368-4 and -526-3 kcal mol-1- Hence - Hcomb of C4H10 is approximately-

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Enthalpy of Combustion

Δ Hcomb of ...

Question

$Δ H_{c o m b}$ of $C H_{4}, C_{2} H_{6}$ and $C_{3} H_{8}$ are $- 210, - 368.4$ and $- 526.3 k c a l m o l^{- 1}$ . Hence $Δ H_{c o m b}$ of $C_{4} H_{10}$ is approximately:

- 684.0 k c a l

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- 368.4 k c a l

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- 842.0 k c a l

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- 600.0 k c a l

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Solution

The correct option is A $- 684.0 k c a l$
$C_{4} H_{10} = C_{3} H_{8} + C_{2} H_{6} - C H_{4}$
= $- 526.3 - 368.4 = 210 = - 684.0 k c a l m o l^{- 1}$

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Similar questions

Q. Heat of combustion of

C H_{4}

C_{2} H_{6}

and

C_{3} H_{8}

are respectively - 210, - 368.4 and - 526.8 Kcal

m o l_{1}

Hence, heat of combustion of

C_{8} H_{16}

is approximately:

Enthalpy of combustion of $C H_{4}, C_{2} H_{6}$ and $C_{3} H_{8}$ are -210.8, -368.4 and -526.2 k cal $m o l^{- 1}$ respectively. Enthalpy of combustion of hexane can be predicted as ?

Which of the following will give addition reactions and why ?
$C_{4} H_{10}, C_{2} H_{6}, C_{2} H_{4}, C H_{4}, C_{3} H_{8}, C_{3} H_{4}$

Q. The volume of

1 g

each of methane

(C H_{4})

, ethane

(C_{2} H_{6})

, propane

(C_{3} H_{8})

and butane

(C_{4} H_{10})

was measured at

350 K

and

1 a t m

. What is the volume of butane ?

Select the option that will complete the homologous series given below.

$C H_{4}$ , $C_{2} H_{6}$ , _______, $C_{4} H_{10}$ , $C_{5} H_{12}$

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ΔHcomb of CH4,C2H6 and C3H8 are −210,−368.4 and −526.3 kcalmol−1. Hence ΔHcomb of C4H10 is approximately:

The correct option is A −684.0 kcalC4H10=C3H8+C2H6−CH4=−526.3−368.4=210=−684.0kcalmol−1

$Δ H_{c o m b}$ of $C H_{4}, C_{2} H_{6}$ and $C_{3} H_{8}$ are $- 210, - 368.4$ and $- 526.3 k c a l m o l^{- 1}$ . Hence $Δ H_{c o m b}$ of $C_{4} H_{10}$ is approximately:

The correct option is A $- 684.0 k c a l$
$C_{4} H_{10} = C_{3} H_{8} + C_{2} H_{6} - C H_{4}$
= $- 526.3 - 368.4 = 210 = - 684.0 k c a l m o l^{- 1}$