1.

Which of the following is an endothemic reaction?

Answer»

`N _(2 (g)) + 3 H _(2(g)) - 92 KJ to 2 NH _(3(g))`
`N _(2 (g)) + O _(2 (g)) + 180.8 KJ to 2 NO _((g))`
`H _(2 (g)) + Cl _(2 (g)) to 2HCl _((g) ), Delta H =- 184 . 6 KJ `
`C _(("graphite")) + 2 H _(2 (s)) to CH _(4(g)) + 74.8 KJ`

Answer :B


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