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Predict the correct intermediate and product in the following reaction: $$ H_3C-C \equiv CH \xrightarrow{H_2O, H_2SO_4, HgSO_4} \text{Intermediate} \to \text{Product} $$
Identify the incorrect statement.
The following solutions were prepared by dissolving 10 g of glucose ($C_6H_{12}O_6$) in 250 ml of water ($P_1$), 10 g of urea ($CH_4N_2O$) in 250 ml of water ($P_2$) and 10 g of sucrose ($C_{12}H_{22}O_{11}$) in 250 ml of water ($P_3$). The right option for the decreasing order of osmotic pressure of these solutions is :
The tendency of $BF_3$, $BCl_3$ and $BBr_3$ to behave as Lewis acid decreases in the sequence:
Choose the correct option for graphical representation of Boyle's law, which shows a graph of pressure vs. volume of a gas at different temperatures :
The number of Faradays (F) required to produce $20 \text{ g}$ of calcium from molten $\text{CaCl}_2$ (Atomic mass of Ca = $40 \text{ g mol}^{-1}$) is:
Match List-I with List-II. List-I: (a) 2SO_2(g) + O_2(g) -> 2SO_3(g) (b) HOCl(g) --hv--> OH + Cl (c) CaCO_3 + H_2SO_4 -> CaSO_4 + H_2O + CO_2 (d) NO_2(g) --hv--> NO(g) + O(g) List-II: (i) Acid rain (ii) Smog (iii) Ozone depletion (iv) Tropospheric pollution
The end product in the below-mentioned reaction is: $\text{H}_3\text{C-Br} \xrightarrow{\text{KCN}} \text{A} \xrightarrow{\text{H}_3\text{O}^+} \text{B} \xrightarrow{\text{LiAlH}_4\text{, Ether}} \text{C}$
Given below are two statements: one is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A): $ICl$ is more reactive than $I_2$. Reason (R): $I-Cl$ bond is weaker than $I-I$ bond. In the light of the above statements, choose the most appropriate answer from the options given below:
Which one of the following statements is true about the structure of $CO_3^{2-}$ ion?
HCl was passed through a solution of $CaCl_2$, $MgCl_2$ and $NaCl$. compound(s) crystallise(s)?
Molar conductivities ($\Lambda^{\circ}_m$) at infinite dilution of $NaCl$, $HCl$, and $CH_3COONa$ are $126.4$, $425.9$, and $91.0\text{ S cm}^2\text{ mol}^{-1}$ respectively. $\Lambda^{\circ}_m$ for $CH_3COOH$ will be:
Noble gases are named because of their inertness towards reactivity. Identify an incorrect statement about them.
Elimination reaction of 2-Bromo-pentane to form pent-2-ene is (a) $\beta$-Elimination reaction (b) Follows Zaitsev rule (c) Dehydrohalogenation reaction (d) Dehydration reaction
The non-essential amino acid among the following is:
The weight of silver (atomic weight = $108$) displaced by a quantity of electricity which displaces $5600 \text{ mL}$ of $\text{O}_2$ at STP will be :
A tertiary butyl carbocation is more stable than a secondary butyl carbocation because of ?
A gas at $350\text{ K}$ and $15\text{ bar}$ has molar volume $20$ percent smaller than that for an ideal gas under the same conditions. The correct option about the gas and its compressibility factor $(Z)$ is :
The IUPAC name of an element with atomic number 119 is:
Incorrect order among the following is: