Q. The product formed by the treatment of ethanol and ethane nitrile in the presence of sulphuric acid is:
Amines
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Solution:
$Me-C......N$ is hydrolysed to acid which reacts with alcohol to give ester.
Questions from Amines
3. Which one of the following is not a primary amine?
KEAM 2012
Chemistry Most Viewed Questions
3. An organic compound contains $78 \%$ (by wt.) carbon and remaining percentage of hydrogen. The right option for the empirical formula of this compound is: [Atomic wt. of $C$ is $12, H$ is $1$]
NEET 2021
Some Basic Concepts of Chemistry
4. The density of 2 M aqueous solution of NaOH is 1.28 g/cm$^3$. The molality of the solution is
[Given that molecular mass of NaOH = 40 g mol$^{-1}$]
NEET 2019
Some Basic Concepts of Chemistry
6. In water saturated air the mole fraction of water vapour is $0.02$. If the total pressure of the saturated air is $1.2\, atm$, the partial pressure of dry air is :
NEET 2019
Solutions
7. A first order reaction has a rate constant of $2.303\times 10^{-3}$ s$^{-1}$. The time required for 40g of this reactant to reduce to 10 g will be-
[Given that $log_{10}$ 2 = 0.3010
NEET 2019
Chemical Kinetics
8. One atom of an element weighs $ 1.8\times 10^{-22}g$ . Its atomic mass is
Manipal 2009
Some Basic Concepts of Chemistry
9. The major product formed in the following reaction
$CH _{3} CH ( Cl ) CH _{2}- CH _{2} OH \xrightarrow{ Aq . KOH }$ is
AIIMS 2006
Alcohols Phenols and Ethers
10. Given below are half cell reactions:
$ MnO _{4}^{-}+8 H ^{+}+5 e ^{-} \rightarrow Mn ^{2+}+4 H _{2} O $
$ E _{ Mn ^{2+} / MnO _{4}^{-}}^{\circ}=-1.510\, V$
$\frac{1}{2} O _{2}+2 H ^{+}+2 e ^{-} \rightarrow H _{2} O ,$
$ E _{ O _{2} / H _{2} O }^{\circ}=+1.223 \,V$
Will the permanganate ion, $MnO _{4}^{-}$liberate $O _{2}$ from water in the presence of an acid ?
NEET 2022
The d-and f-Block Elements
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