Match List – I with List – II.

List – I                                                                     List – II

Electronic configuration of elements              ${\Delta }_{i}HinkJmo{l}^{-1}$

(A) $1s^{2}2s^2$                                                               (i) 801

(B) $1s^{2}2s^{2}2p^4$                                                         (ii) 899

(C) $1s^{2}2s^{2}2p^3$                                                         (iii) 1314

(D) $1s^{2}2s^{2}2p^1$                                                         (iv) 1402

Choose the most appropriate answer from the options given below

The standard enthalpy of combustion at 25°C of hydrogen, cyclohexene (C₆H₁₀) and cyclohexane (C₆H₁₂) are –241, –3800 and –3920 kJ mol–1 respectively. Calculate the standard enthalpy of hydrogenation of cyclohexene.

HCP crystal is made of A ions and B ions are arranged in 2/3rd of octahedral voids. The simplest formula of compound is :-

Enthalpy of neutralisation of CH₃COOH by NaOH is – 50.6 kJ/mol and the heat of neutralisation of a strong acid with NaOH is – 55.9 kJ/mol. The value of ΔH for the ionisation of CH₃COOH is :

Kindly Consider following table–

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Which of the following is a carbonate ore ?