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An organic compound ($C_3H_9N$) (A), when treated with nitrous acid, gave an alcohol, and $N_2$ gas was evolved. (A) on warming with $CHCl_3$ and caustic potash gave (C) which on reduction gave isopropylmethylamine. The structure of (A) is:
A compound that gives a positive Fehling solution test is:
Identify the incorrect statement among the following:
Given below are two statements: Statement I: Benzenediazonium chloride is a colourless crystalline solid. It is insoluble in water but reacts with water when warmed. Statement II: Benzenediazonium chloride on reacting with $HCl$ in presence of copper powder gives chlorobenzene as the product. This is an example of Gatterman reaction. In the light of the above statements, choose the correct answer from the options given below:
The hybridisations of atomic orbitals of nitrogen in $\text{NO}_2^+$, $\text{NO}_3^-$ and $\text{NH}_4^+$ are:
The van't Hoff factor [$i$] for a dilute aqueous solution of the strong electrolyte barium hydroxide is?
The state of hybridisation of carbons marked 2, 3, 5 and 6 in the following hydrocarbon are, respectively: $\overset{6}{\text{CH}_3}-\overset{5}{\text{CH}}=\overset{4}{\text{CH}}-\overset{3}{\text{CH}_2}-\overset{2}{\text{C}}\equiv\overset{1}{\text{CH}}$
The number of unpaired electrons in a paramagnetic diatomic molecule of an element with atomic mass $16$ is:
Match the coordination number and type of hybridisation with the distribution of hybrid orbitals in space based on Valence Bond Theory. **List I (Coordination number and type of hybridisation):** (a) 4, $sp^{3}$ (b) 4, $dsp^{2}$ (c) 5, $sp^{3}d$ (d) 6, $d^{2}sp^{3}$ **List II (Distribution of hybrid orbitals in space):** (i) Trigonal bipyramidal (ii) Octahedral (iii) Tetrahedral (iv) Square planar
Which of the two species, $NO_{3}^{-}$ or $H_{3}O^{+}$, has the correctly described properties listed below?
The rate constant of the reaction $A \rightarrow B$ is $0.6 \times 10^{-3} \text{ molar per second}$. If the concentration of A is $5 \text{ M}$, then the concentration of B after $20 \text{ min}$ is:
Arrange the following species in increasing order of their dipole moments: $NH_3, NF_3, BF_3, H_2O$
Which statement about peptide bonds is NOT true?
The correct order of bond angles in the following compounds/species is:
The hybridisations of atomic orbitals of nitrogen in NO$^+$, NO$_3^-$ and NH$_3$ respectively are:
$d\pi - p\pi$ bond is present in:
The pairs of species of oxygen and their magnetic behaviours are given below. Which of the following represents the correct description?
The species, having bond angles of 120° is :
The correct order of increasing bond length of $\text{C-H}$, $\text{C-O}$, $\text{C-C}$ and $\text{C=C}$ is:
Among the options given below, identify the isoelectronic species: