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$CH_2OH \cdot CH_2OH$ (Ethylene glycol) on heating with periodic acid gives:
Among the elements Ca, Mg, P and Cl, the correct order of increasing atomic radii is:
Which of the following is a cationic detergent?
From the following pairs of ions which one is not an iso-electronic pair?
The right option for the statement "Tyndall effect is exhibited by", is :
Identify 'X' in the following reaction.
Decreasing order of stability of $\text{O}_2$, $\text{O}_2^-$, $\text{O}_2^+$ and $\text{O}_2^{2-}$ is:
The reaction of toluene with $Cl_2$ in presence of $FeCl_3$ gives ‘X' and the reaction in presence of light gives 'Y'. 'X' and 'Y' are respectively:
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:
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:
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:
An element that cannot form [MF6]3- ion is-