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Ion that gives colour to water is:
The number of moles of hydrogen molecules required to produce 20 moles of ammonia through Haber's process is:
Which of the following can be used as the halide component for Friedel-Crafts reaction?
The product formed in the following reaction sequence is:
The correct order for the rate of $\alpha, \beta$-dehydrohalogenation for the following compounds is:
Which of the following oxide is amphoteric in nature?
If the concentration of a solution is changed from 0.2 to 0.4, then what will be the rate and rate constant? The reaction is of first order and rate constant is $k = 1 \times 10^{-6}$:
Incorrect order among the following is:
Which of the following species is not stable?
The major organic product in the reaction, $CH_3 — O — CH(CH_3)_2 + HI \rightarrow \text{Product}$ is:
The number of hydrogen bonded water molecules(s) associated with CuSO₄·5H₂O is:
Which one of the following pairs of species have the same bond order?
Which of the following is not the product of dehydration of the given alcohol?
The potential energy (y) curve for $H_{2}$ formation as a function of internuclear distance (x) of the $H$ atoms is shown below. The bond energy of $H_{2}$ is:
Which of the following is produced when anisole reacts with HI?
The product formed by the reaction of an aldehyde with a primary amine is:
For the reaction $2A + B \rightarrow 3C + D$, which of the following does not express the reaction rate?
Which of the chemical reagents can be used to distinguish between cis-cyclopenta-1,2-diol and trans-cyclopenta-1,2-diol?
Acetone is treated with excess ethanol in the presence of hydrochloric acid. The product obtained will be:
What is the maximum number of orbitals that can be identified with the following quantum numbers? n = 3, l = 1, m = 0