The incorrect statement regarding conformations of ethane is:

Given below are two statements :

In the light of the above statements, choose the most appropriate answer from the options given below :

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Which of the following equation corresponds to the defination of enthalpy of formation at $298\, K$.

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In which of the following arrangement the order is not according to the property indicated in bracket

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Reaction of $R-2$ -butanol with $p$ -toluenesulphonyl chloride in pyridine then $LiBr$ gives

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$EAN$ of complex $[Fe(C_2O_4)_3]^{3-}$ is

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Which one of the following elements shows maximum number of different oxidation states in its compound

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Which acid is strongest or Which is most acidic

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Assign $A, B, C, D$ from given type of reaction. ${H_3}P{O_2} + AgN{O_2} \longrightarrow Ag \downarrow + {H_3}P{O_4} + NO$

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Which observation $(s)$ reflect $(s)$ colligative properties ?

$(i)$ A $0.5\,m$ $NaBr$ solution has a higher vapour pressure than a $0.5\,m\,BaCl_2$ solution at the same temperature

$(ii)$ Pure water freezes at the higher temperature than pure methanol

$(iii)$ a $0.1\,m\,NaOH$ solution freezes at a lower temperature than pure water

Choose the correct answer from the codes given below

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$Co|Co^{2+}(C_2)||Co^{2+}(C_1)|Co$, for this cell, $\Delta G$ is negative if

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Answer